Siyabonga ngokuvakashela i-Nature.com.Inguqulo yesiphequluli oyisebenzisayo inosekelo olulinganiselwe lwe-CSS.Ukuze uthole ulwazi olungcono kakhulu, sincoma ukuthi usebenzise isiphequluli esibuyekeziwe (noma ukhubaze i-Compatibility Mode ku-Internet Explorer).Okwamanje, ukuze siqinisekise ukwesekwa okuqhubekayo, sizonikeza isayithi ngaphandle kwezitayela ne-JavaScript.
I-TiO2 iyimpahla ye-semiconductor esetshenziselwa ukuguqulwa kwe-photoelectric.Ukuze kuthuthukiswe ukusetshenziswa kwazo ukukhanya, i-nickel nesiliva sulfide nanoparticles zahlanganiswa ebusweni be-TiO2 nanowires ngendlela elula yokucwilisa kanye ne-photoreduction.Uchungechunge lwezifundo zesenzo sokuvikela se-cathodic se-Ag/NiS/TiO2 nanocomposites ku-304 insimbi engagqwali selwenziwe, futhi izici ze-morphology, ukwakheka, nezici zokumunca ukukhanya kwezinto ziye zengezwa.Imiphumela ibonisa ukuthi i-Ag/NiS/TiO2 nanocomposites elungisiwe inganikeza ukuvikeleka okungcono kakhulu kwe-cathodic kwensimbi engagqwali engu-304 lapho inani lemijikelezo ye-nickel sulfide impregnation-precipitation ingu-6 kanye nokugxiliswa kwe-nitrate yesiliva ku-0.1M.
Ukusetshenziswa kwama-semiconductors ohlobo lwe-n ukuze kuvikelwe i-photocathode kusetshenziswa ukukhanya kwelanga kube yisihloko esishisayo eminyakeni yakamuva.Uma ejatshuliswa ukukhanya kwelanga, ama-electron asuka kubhendi ye-valence (VB) yokokusebenza kwesemiconductor azojatshuliswa abe ibhendi yokuqhuba (CB) ukuze akhiqize ama-electron enziwe isithombe.Uma amandla ebhendi yokuqhuba wesemiconductor noma i-nanocomposite engeyinhle kakhulu kunamandla azishuthekayo ensimbi eboshiwe, lawa ma-electron akhiqiziwe azodlulisela phezulu kwensimbi eboshwe.Ukuqoqwa kwama-electron kuzoholela ku-cathodic polarization yensimbi futhi kunikeze ukuvikelwa kwe-cathodic ye-metal1,2,3,4,5,6,7 ehambisanayo.Okubalulekile kwe-semiconductor kubhekwa njenge-photoanode engenzi umhlatshelo, njengoba ukusabela kwe-anodic akwehlisi okokusebenza kwe-semiconductor ngokwayo, kodwa ukukhishwa kwe-oxidation kwamanzi ngezimbobo ezenziwe izithombe noma ukungcola kwe-organic adsorbed, noma ukuba khona kwabaqoqi ukuze bacuphe izimbobo ezenziwe isithombe.Okubaluleke kakhulu, impahla ye-semiconductor kumele ibe namandla e-CB angemuhle kakhulu kunamandla okugqwala kwensimbi evikelwe.Kulapho kuphela lapho ama-electron akhiqiziwe angadlula ebhendini yokuqhuba ye-semiconductor aye ensimbi evikelwe. Ucwaningo lwe-Photochemical corrosion resistance lugxile ezintweni ezingaphili ze-inorganic semiconductor ezinezikhala zebhande ezibanzi (3.0–3.2EV)1,2,3,4,5,6,7, ezisabela kuphela ekukhanyeni kwe-ultraviolet (<400 nm), ezinciphisa ukutholakala kokukhanya. Ucwaningo lwe-Photochemical corrosion resistance lugxile ezintweni ezingaphili ze-inorganic semiconductor ezinezikhala zebhande ezibanzi (3.0–3.2EV)1,2,3,4,5,6,7, ezisabela kuphela ekukhanyeni kwe-ultraviolet (<400 nm), ezinciphisa ukutholakala kokukhanya. Исследования стойкости к фотохимической коррозии были сосредоточены на неорганических полупроводниковых материалах n-типа с широкой, 3, 3 ,3,4,5,6,7, которые реагируют только на ультрафиолетовое излучение (< 400 нм), уменьшение доступности света. Ucwaningo mayelana nokumelana nokugqwala kwe-photochemical lugxile ezintweni ezisetshenziswayo zohlobo lwe-inorganic semiconductor ezine-bandgap ebanzi (3.0–3.2 EV)1,2,3,4,5,6,7 ephendula kuphela emisebeni ye-ultraviolet (<400 nm), encishisiwe ukutholakala kokukhanya.光化学耐腐蚀性研究主要集中在具有宽带隙(3.0–3.2EV)1,2,3,4,5,6,7 的无机n 型半宽带隙紫外光 (< 400 nm）有响应，减少光的可用性。光 化学 耐腐 蚀性 研究 主要 在 具有 宽带隙 宽带隙 宽带隙 (3.0–3.2ev) 1.2,3,4,7,6, 1.2,3,4,7,6,上， 這些 材料 仅 对（<400 nm） 有 有 有 有 有 有 有 有 有 有 有 有 有 有 有响应，减少光的可性。 Исследования стойкости к фотохимической коррозии в основном были сосредоточены на неорганических полупроводниковых материалах n-тизешен 3,2EV)1,2,3,4,5,6,7, которые чувствительны только к УФ-излучению (<400 нм). Ucwaningo mayelana nokumelana nokugqwala kwe-photochemical lugxile kakhulu ku-bandgap ebanzi (3.0–3.2EV)1,2,3,4,5,6,7 n-type inorganic semiconductor materials ezizwela kuphela emisebeni ye-UV.(<400 nm).Ukuphendula, ukutholakala kokukhanya kuncipha.
Emkhakheni wokuvikela ukugqwala kwasolwandle, ubuchwepheshe bokuvikela i-photoelectrochemical cathodic budlala indima ebalulekile.I-TiO2 iyimpahla ye-semiconductor enezinto ezinhle kakhulu zokumunca ukukhanya kwe-UV kanye nezakhiwo ze-photocatalytic.Kodwa-ke, ngenxa yezinga eliphansi lokusetshenziswa kokukhanya, izimbobo ze-electron ezikhiqiziwe zihlangana kalula futhi azikwazi ukuvikeleka ngaphansi kwezimo ezimnyama.Ucwaningo olwengeziwe luyadingeka ukuze kutholwe isixazululo esiphusile nesingenzeka.Kubikwe ukuthi izindlela eziningi zokuguqula indawo zingasetshenziswa ukuze kuthuthukiswe ukuzwela kwezithombe ze-TiO2, njengokusebenzisa izidakamizwa nge-Fe, N, nokuxuba ne-Ni3S2, i-Bi2Se3, i-CdTe, njll. Ngakho-ke, inhlanganisela ye-TiO2 ngezinto ezinokuguqulwa okuphezulu kwesithombe sikagesi isetshenziswa kabanzi emkhakheni wokuvikelwa kwe-cathodic okwenziwe isithombe..
I-Nickel sulfide iyimpahla ye-semiconductor enegebe elincane lebhande elingu-1.24 eV8.9 kuphela.Ukuncipha kwegebe lebhande, kuqina ukusetshenziswa kokukhanya.Ngemva kokuba i-nickel sulfide ixutshwe ne-titanium dioxide surface, izinga lokusetshenziswa kokukhanya lingakhuphuka.Ihlanganiswe ne-titanium dioxide, ingathuthukisa ngempumelelo ukuhlukaniswa kwama-electron akhiqizwa izithombe nezimbobo.I-Nickel sulfide isetshenziswa kakhulu ekukhiqizeni i-electrocatalytic hydrogen, amabhethri kanye nokubola okungcolile8,9,10.Kodwa-ke, ukusetshenziswa kwayo ekuvikelweni kwe-photocathode akukakabikwa.Kulolu cwaningo, kukhethwe okubalulekile kwe-bandgap semiconductor ukuze kuxazululwe inkinga yokusebenza kahle kokusetshenziswa kokukhanya kwe-TiO2.Ama-nanoparticles e-nickel nesiliva sulfide ayeboshelwe ebusweni be-TiO2 nanowires ngokucwiliswa nezindlela zokunciphisa izithombe, ngokulandelana.I-Ag/NiS/TiO2 nanocomposite ithuthukisa ukusebenza kahle kokusetshenziswa kokukhanya futhi inweba ububanzi bokumunca ukukhanya ukusuka endaweni ye-ultraviolet kuya endaweni ebonakalayo.Phakathi naleso sikhathi, ukufakwa kwe-nanoparticles yesiliva kunikeza i-Ag/NiS/TiO2 nanocomposite ukuqina okuhle kakhulu kwe-optical kanye nokuvikelwa okuzinzile kwe-cathodic.
Okokuqala, i-titanium foil engu-0.1 mm ubukhulu nobumsulwa obungu-99.9% yasikwa yaba usayizi ongu-30 mm × 10 mm ukuze kwenziwe ukuhlolwa.Khona-ke, indawo ngayinye ye-titanium foil yayipholishwa izikhathi ezingu-100 nge-sandpaper yegrit engu-2500, bese igezwa ngokulandelana nge-acetone, i-ethanol ephelele, namanzi acwecwe.Faka ipuleti ye-titanium enhlanganisweni engu-85 °C (i-sodium hydroxide: i-sodium carbonate: amanzi = 5:2:100) imizuzu engu-90, susa futhi ugeze ngamanzi acwecwe.Indawo engaphezulu yayiqoshwe ngesisombululo se-HF (HF:H2O = 1:5) iminithi elingu-1, bese igezwa ngokushintshana nge-acetone, i-ethanol, namanzi a-distilled, futhi ekugcineni yomiswa ukuze isetshenziswe.I-Titanium dioxide nanowires yenziwa ngokushesha ebusweni be-titanium foil ngesinyathelo esisodwa sokugcotshwa kwe-anodizing.Ukuze uthole i-anodizing, kusetshenziswa uhlelo lwendabuko lwama-electrode amabili, i-electrode esebenzayo iyishidi le-titanium, kanti i-counter electrode i-electrode yeplatinamu.Faka ipuleti le-titanium ku-400 ml wesisombululo se-2 M NaOH esinama-electrode clamps.Amandla kagesi e-DC azinzile cishe ku-1.3 A. Izinga lokushisa lesisombululo ligcinwe ku-80 ° C imizuzu engu-180 ngesikhathi sokusabela kwesistimu.Ishidi le-titanium lalikhishwa, ligezwe nge-acetone ne-ethanol, ligezwe ngamanzi acwecwe, futhi lomiswe ngokwemvelo.Khona-ke amasampula afakwa esithandweni se-muffle ku-450 ° C (izinga lokushisa elingu-5 ° C / min), agcinwe ekushiseni okungaguquki imizuzu engu-120, futhi afakwe kuthreyi yokomisa.
Inhlanganisela ye-nickel sulfide-titanium dioxide yatholwa ngendlela elula nelula yokudipha.Okokuqala, i-nickel nitrate (0.03 M) yachithwa ku-ethanol futhi yagcinwa ngaphansi kokunyakaziswa kazibuthe imizuzu engu-20 ukuze kutholwe isixazululo se-ethanol se-nickel nitrate.Bese ulungisa i-sodium sulfide (0.03 M) ngesisombululo esixubile se-methanol (i-methanol: amanzi = 1: 1).Khona-ke, amaphilisi e-titanium dioxide afakwa kwisisombululo esilungiselelwe ngenhla, esikhishwe ngemva kwemizuzu engu-4, futhi ngokushesha agezwa ngesisombululo esixubile se-methanol namanzi (i-methanol: amanzi = 1: 1) iminithi elingu-1.Ngemva kokuba ubuso bomile, amaphilisi afakwa esithandweni se-muffle, ashiswe ku-vacuum ku-380 ° C imizuzu engu-20, epholile ekamelweni lokushisa, futhi omisiwe.Inombolo yemijikelezo 2, 4, 6 kanye no-8.
I-Ag nanoparticles ishintshwe i-Ag/NiS/TiO2 nanocomposites nge-photoreduction12,13.I-Ag/NiS/TiO2 nanocomposite ewumphumela yafakwa kusixazululo se-nitrate esisiliva esidingekayo ekuhlolweni.Khona-ke amasampuli akhishwa ngokukhanya kwe-ultraviolet imizuzu engu-30, izindawo zawo ezingaphezulu zahlanzwa ngamanzi angcolile, futhi ama-nanocomposites e-Ag/NiS/TiO2 atholwe ngokomiswa kwemvelo.Inqubo yokuhlola echazwe ngenhla iboniswa kuMfanekiso 1.
Ama-nanocomposites e-Ag/NiS/TiO2 aphawuleke kakhulu ngokuthwebula i-electron microscopy (FESEM), i-energy dispersive spectroscopy (EDS), i-X-ray photoelectron spectroscopy (XPS), kanye nokubonakala okusabalalisa ku-ultraviolet nobubanzi obubonakalayo (UV-Vis).I-FESEM yenziwe kusetshenziswa isibonakhulu se-Nova NanoSEM 450 (FEI Corporation, USA).I-voltage esheshayo engu-1 kV, usayizi wendawo 2.0.Idivayisi isebenzisa uphenyo lwe-CBS ukuze yamukele ama-electron esibili nasatshalaliswe emuva ukuze kuhlaziywe i-topography.I-EMF yenziwa kusetshenziswa uhlelo lwe-Oxford X-Max N50 EMF (Oxford Instruments Technology Co., Ltd.) olunamandla kagesi asheshayo angu-15 kV nosayizi wendawo ongu-3.0.Ukuhlaziywa kwekhwalithi nenani kusetshenziswa imisebe ye-X ray.I-X-ray photoelectron spectroscopy yenziwe ku-spectrometer ye-Escalab 250Xi (Thermo Fisher Scientific Corporation, USA) esebenza kumodi yamandla engaguquki enamandla avusa amadlingozi angu-150 W kanye nemisebe ye-Al Kapha ye-monochromatic (1486.6 eV) njengomthombo wenjabulo.Ibanga lokuskena eligcwele elingu-0–1600 eV, inani lamandla angu-50 eV, ububanzi besinyathelo esingu-1.0 eV, kanye nekhabhoni engcolile (~284.8 eV) kusetshenziswe njengezithenjwa zokulungisa ukushajwa kwamandla okubophayo.Amandla okudlula okuskena okuncane abengu-20 eV nesinyathelo esingu-0.05 eV.I-Diffuse reflectance spectroscopy endaweni ebonakalayo ye-UV yenziwa ku-Cary 5000 spectrometer (Varian, USA) enepuleti le-barium sulfate elijwayelekile ebangeni lokuskena lika-10–80°.
Kulo msebenzi, ukwakheka (amaphesenti esisindo) we-304 insimbi engagqwali yi-0.08 C, 1.86 Mn, 0.72 Si, 0.035 P, 0.029 s, 18.25 Cr, 8.5 Ni, kanti enye i-Fe.10mm x 10mm x 10mm 304 insimbi engagqwali, i-epoxy efakwe endaweni esobala engu-1 cm2.Ingaphezulu layo lalifakwe isihlabathi nge-2400 grit silicon carbide sandpaper futhi yagezwa nge-ethanol.Insimbi engagqwali yabe isifakwa emanzini e-deionized imizuzu engu-5 bese igcinwa kuhhavini.
Esivivinyweni se-OCP, insimbi engagqwali engu-304 kanye ne-Ag/NiS/TiO2 photoanode zibekwe kuseli lokugqwala kanye neseli ye-photoanode, ngokulandelana (Fig. 2).Iseli lokugqwala ligcwaliswe ngesisombululo se-NaCl esingu-3.5%, futhi i-0.25 M Na2SO3 yathululelwa esitokisini se-photoanode njengesicupho sembobo.Ama-electrolyte amabili ahlukaniswa nengxube esebenzisa i-naphthol membrane.I-OCP ikalwe endaweni yokusebenza ye-electrochemical (P4000+, USA).I-electrode eyireferensi yayiyi-calomel electrode egcwele (SCE).Umthombo wokukhanya (isibani se-xenon, i-PLS-SXE300C, i-Poisson Technologies Co., Ltd.) kanye ne-cut-off plate 420 yabekwa endaweni yokuphuma yomthombo wokukhanya, okuvumela ukukhanya okubonakalayo kudlule engilazini ye-quartz ku-photoanode.I-electrode yensimbi engagqwali engu-304 ixhunywe ku-photoanode ngocingo lwethusi.Ngaphambi kokuhlolwa, i-electrode yensimbi engagqwali engu-304 yayicwiliswe kusixazululo se-NaCl esingu-3.5% amahora angu-2 ukuze kuqinisekiswe isimo esizinzile.Ekuqaleni kokuhlolwa, lapho ukukhanya kuvuliwe futhi kuvaliwe, ama-electron ajabulile e-photoanode afinyelela ebusweni bensimbi engagqwali engu-304 ngocingo.
Ekuhlolweni kokuminyana kwe-photocurrent, i-304SS ne-Ag/NiS/TiO2 photoanode zibekwe kumaseli okugqwala namaseli e-photoanode, ngokulandelana (Fig. 3).Ukuminyana kwe-photocurrent kukalwe ekusetheni okufanayo njenge-OCP.Ukuze uthole ukuminyana kwangempela kwe-photocurrent phakathi kwensimbi engagqwali engu-304 ne-photoanode, i-potentiostat isetshenziswe njenge-ammeter yokumelana ne-zero ukuxhuma insimbi engagqwali engu-304 kanye ne-photoanode ngaphansi kwezimo ezingezona i-polarized.Ukuze wenze lokhu, ama-electrode ereferensi namakhawunta ekusethweni kokuhlola aye ajikeleza kancane, ukuze indawo yokusebenza ye-electrochemical isebenze njenge-ammeter engamelani ne-zero engakala ukuminyana kwangempela kwamanje.I-electrode yensimbi engagqwali engu-304 ixhunywe phansi kwendawo yokusebenza ye-electrochemical, futhi i-photoanode ixhunywe kusigxivizo se-electrode esisebenzayo.Ekuqaleni kokuhlolwa, lapho ukukhanya kuvuliwe futhi kuvaliwe, ama-electron ajabulile e-photoanode ngocingo afinyelela ebusweni bensimbi engagqwali engu-304.Ngalesi sikhathi, ukuguqulwa kwe-photocurrent density ebusweni be-304 yensimbi engagqwali kungabonwa.
Ukuze kufundwe ukusebenza kokuvikelwa kwe-cathodic kwama-nanocomposites ku-304 insimbi engagqwali, izinguquko kumandla we-photoionization we-304 yensimbi engagqwali nama-nanocomposites, kanye nezinguquko ekumineni kwamanje kwe-photoionization phakathi kwama-nanocomposites nezinsimbi ezingama-304, zahlolwa.
Emkhiwaneni.I-4 ibonisa izinguquko kumandla wesekethe evulekile ye-304 yensimbi engagqwali kanye nama-nanocomposites ngaphansi kwemisebe yokukhanya ebonakalayo nangaphansi kwezimo ezimnyama.Emkhiwaneni.I-4a ikhombisa umthelela wesikhathi sokubekwa kwe-NiS ngokucwiliswa kumandla wesekethe evulekile, kanye nomkhiwane.I-4b ibonisa umthelela wokugxilwa kwe-nitrate yesiliva emandleni esekethe evulekile ngesikhathi sokwenza izithombe.Emkhiwaneni.I-4a ibonisa ukuthi amandla wesekethe evulekile ye-NiS/TiO2 nanocomposite eboshelwe ku-304 yensimbi engagqwali ancishiswa kakhulu ngesikhathi isibani sivuliwe uma siqhathaniswa nenhlanganisela ye-nickel sulfide.Ngaphezu kwalokho, amandla esekethe evulekile mabi kakhulu kunalawo ama-nanowires e-TiO2 ahlanzekile, okubonisa ukuthi inhlanganisela ye-nickel sulfide ikhiqiza ama-electron amaningi futhi ithuthukisa umphumela wokuvikela we-photocathode kusuka ku-TiO2.Kodwa-ke, ekupheleni kokuchayeka, amandla okungabikho komthwalo akhuphuka ngokushesha ukuze angalayishi amandla ensimbi engagqwali, okubonisa ukuthi i-nickel sulfide ayinawo umphumela wokugcina amandla.Umthelela wenani lemijikelezo yokucwiliswa kokucwiliswa kumandla wesekethe evulekile ungabonwa ku-Fig. 4a.Ngesikhathi sokufakwa kwe-6, amandla amakhulu kakhulu e-nanocomposite afinyelela ku-550 mV ngokuphathelene ne-calomel electrode egcwele, futhi amandla e-nanocomposite afakwe yi-factor ye-6 aphansi kakhulu kune-nanocomposite ngaphansi kwezinye izimo.Ngakho-ke, i-NiS/TiO2 nanocomposites etholwe ngemva kwemijikelezo ye-6 yokubeka inikeze ukuvikelwa kwe-cathodic okungcono kakhulu kwe-304 yensimbi engagqwali.
Izinguquko ku-OCP yama-electrode ensimbi engagqwali angu-304 ane-NiS/TiO2 nanocomposites (a) kanye ne-Ag/NiS/TiO2 nanocomposites (b) enokukhanya nangaphandle kokukhanyisa (λ > 400 nm).
Njengoba kuboniswe emkhiwaneni.4b, amandla wesekethe evulekile ye-304 yensimbi engagqwali kanye ne-Ag/NiS/TiO2 nanocomposites ancishiswa kakhulu lapho evezwe ekukhanyeni.Ngemuva kokufakwa kwendawo ye-nanoparticles yesiliva, amandla wesekethe evulekile ancishiswa kakhulu uma kuqhathaniswa nama-nanowires ahlanzekile we-TiO2.Amandla e-NiS/TiO2 nanocomposite mabi kakhulu, okubonisa ukuthi umphumela wokuvikela we-cathodic we-TiO2 uthuthuka kakhulu ngemva kokufakwa kwe-Ag nanoparticles.Amandla wesekethe evulekile anda ngokushesha ekupheleni kokuchayeka, futhi uma kuqhathaniswa ne-calomel electrode egcwele, amandla wesekethe evulekile angafinyelela -580 mV, eyayiphansi kunaleyo ye-304 stainless steel (-180 mV).Lo mphumela ubonisa ukuthi i-nanocomposite inomphumela ophawulekayo wokugcina amandla ngemva kokuba izinhlayiya zesiliva zifakwe endaweni yayo.Emkhiwaneni.I-4b iphinde ibonise umphumela wokugxila kwe-nitrate yesiliva kumandla wesekethe evulekile.Ekuhlanganiseni kwe-nitrate esiliva engu-0.1 M, amandla okukhawulela okuhlobene ne-electrode egcwele ye-calomel afinyelela ku- -925 mV.Ngemuva kwemijikelezo yezicelo ezi-4, amandla ahlala ezingeni ngemuva kwesicelo sokuqala, okubonisa ukuzinza okuhle kakhulu kwe-nanocomposite.Ngakho-ke, ekugxilweni kwe-nitrate yesiliva engu-0.1 M, i-Ag/NiS/TiO2 nanocomposite ewumphumela inomphumela omuhle kakhulu wokuvikela we-cathodic ku-304 insimbi engagqwali.
Ukufakwa kwe-NiS ebusweni be-TiO2 nanowires kancane kancane kuyathuthuka ngokukhula kwesikhathi sokufakwa kwe-NiS.Uma ukukhanya okubonakalayo kushaya indawo ye-nanowire, amasayithi amaningi e-nickel sulfide asebenzayo ajabulela ukukhiqiza ama-electron, futhi amandla okwenza izithombe anciphe kakhulu.Kodwa-ke, lapho ama-nanoparticles e-nickel sulfide efakwe ngokweqile phezulu, i-nickel sulfide ejabulile iyancishiswa kunalokho, engafaki isandla ekumunceni ukukhanya.Ngemuva kokuthi izinhlayiya zesiliva zifakwe phezulu, ngenxa yomphumela we-plasmon resonance wezinhlayiya zesiliva, ama-electron akhiqizwayo azodluliselwa ngokushesha ebusweni bensimbi engagqwali engu-304, okuholela kumphumela omuhle kakhulu wokuvikela we-cathodic.Lapho izinhlayiya zesiliva eziningi kakhulu zifakwe phezulu, izinhlayiya zesiliva ziba indawo yokuhlangana kabusha yama-photoelectrons nezimbobo, ezingafaki isandla ekukhiqizeni ama-photoelectron.Sengiphetha, ama-nanocomposites e-Ag/NiS/TiO2 anganikeza ukuvikeleka okungcono kakhulu kwe-cathodic kwensimbi engagqwali engu-304 ngemva kokufakwa kwe-nickel sulfide okuyi-6 ngaphansi kwe-0.1 M yesiliva ye-nitrate.
Ivelu ye-photocurrent density imele amandla ahlukanisayo ama-electron akhiqizwe izithombe nezimbobo, futhi uma kuba mkhulu ukuminyana kwe-photocurrent, aba namandla okuhlukanisa ama-electron akhiqizwe izithombe nezimbobo.Kunezifundo eziningi ezibonisa ukuthi i-NiS isetshenziswa kabanzi ekuhlanganiseni izinto ze-photocatalytic ukuze kuthuthukiswe izakhiwo ze-photoelectric zezinto zokwakha kanye nokuhlukanisa izimbobo15,16,17,18,19,20.U-Chen et al.yafunda i-graphene yamahhala ye-noble-metal-free kanye nezinhlanganisela ze-g-C3N4 ezilungiswe ngokubambisana ne-NiS15.Ubukhulu obukhulu be-photocurrent ye-g-C3N4/0.25%RGO/3%NiS eguquliwe ngu-0.018 μA/cm2.U-Chen et al.ufunde i-CdSe-NiS nge-photocurrent density engaba ngu-10 µA/cm2.16.Liu et al.kuhlanganiswe inhlanganisela ye-CdS@NiS nge-photocurrent density engu-15 µA/cm218.Kodwa-ke, ukusetshenziswa kwe-NiS yokuvikela i-photocathode akukakabikwa.Ocwaningweni lwethu, ukuminyana kwe-photocurrent kwe-TiO2 kukhuphuke kakhulu ngokuguqulwa kwe-NiS.Emkhiwaneni.5 ibonisa izinguquko ekumineni kwesithombe samanje sensimbi engagqwali engu-304 nama-nanocomposites ngaphansi kwezimo zokukhanya ezibonakalayo nangaphandle kokukhanya.Njengoba kuboniswe emkhiwaneni.5a, ukuminyana kwe-photocurrent ye-NiS/TiO2 nanocomposite kukhula ngokushesha ngesikhathi ukukhanya kukhanya, futhi ukuminyana kwe-photocurrent kuhle, okubonisa ukugeleza kwama-electron ukusuka ku-nanocomposite ukuya phezulu ngokusebenzisa indawo yokusebenza ye-electrochemical.304 insimbi engagqwali.Ngemuva kokulungiswa kwezinhlanganisela ze-nickel sulfide, ukuminyana kwe-photocurrent kukhulu kunaleyo ye-TiO2 nanowires emsulwa.Ukuminyana kwe-photocurrent ye-NiS kufinyelela ku-220 μA/cm2, ephakeme izikhathi ezingu-6.8 kunaleyo ye-TiO2 nanowires (32 μA/cm2), lapho i-NiS icwiliswa futhi ifakwa izikhathi ezingu-6.Njengoba kuboniswe emkhiwaneni.5b, ukuminyana kwe-photocurrent phakathi kwe-Ag/NiS/TiO2 nanocomposite kanye ne-304 yensimbi engagqwali bekuphakeme kakhulu kunaphakathi kwe-TiO2 emsulwa kanye ne-NiS/TiO2 nanocomposite uma ikhanyiswa ngaphansi kwesibani se-xenon.Emkhiwaneni.Umfanekiso 5b futhi ubonisa umphumela wokugxila kwe-AgNO ku-photocurrent density ngesikhathi sokwenza isithombe.Ekuhlanganiseni kwe-nitrate esiliva okungu-0.1 M, ukuminyana kwayo kwe-photocurrent kufinyelela ku-410 μA/cm2, okuphindwe izikhathi ezingu-12.8 ngaphezu kwalokho kwe-TiO2 nanowires (32 μA/cm2) kanye nezikhathi ezingu-1.8 ngaphezu kwalokho kwe-NiS/TiO2 nanocomposites.Inkambu kagesi ye-heterojunction yakhiwa kusixhumi esibonakalayo se-Ag/NiS/TiO2 nanocomposite, esiza ukuhlukaniswa kwama-electron akhiqizwe izithombe emigodini.
Izinguquko ku-photocurrent density ye-electrode yensimbi engagqwali engu-304 (a) NiS/TiO2 nanocomposite kanye (b) ne-Ag/NiS/TiO2 nanocomposite enokukhanya nangaphandle kokukhanyisa (λ > 400 nm).
Ngakho, ngemva kwemijikelezo engu-6 ye-nickel sulfide immersion-deposition ku-0.1 M i-nitrate yesiliva egxilile, ukuminyana kwe-photocurrent phakathi kwe-Ag/NiS/TiO2 nanocomposites kanye ne-304 yensimbi engenasici ifinyelela ku-410 μA/cm2, ephakeme kunaleyo ye-calomel egcwele.ama-electrodes afinyelela ku-925 mV.Ngaphansi kwalezi zimo, insimbi engagqwali engu-304 ehlanganiswe ne-Ag/NiS/TiO2 inganikeza ukuvikelwa okungcono kakhulu kwe-cathodic.
Emkhiwaneni.I-6 ibonisa izithombe ze-electron microscope ezingaphezulu ze-titanium dioxide nanowires ehlanzekile, i-nickel sulfide nanoparticles eyinhlanganisela, nama-nanoparticles esiliva ngaphansi kwezimo ezifanele.Emkhiwaneni.6a, d bonisa ama-nanowires e-TiO2 amsulwa atholwe nge-anodization yesiteji esisodwa.Ukusatshalaliswa okungaphezulu kwe-titanium dioxide nanowires kufana, izakhiwo ze-nanowires zisondelene, futhi ukusabalalisa usayizi we-pore kufana.Izibalo 6b kanye no-e ama-electron micrographs we-titanium dioxide ngemva kokumiliswa okuphindwe izikhathi ezingu-6 kanye nokufakwa kwezinhlanganisela ze-nickel sulfide.Kusukela esithombeni se-electron microscopic esikhuliswe izikhathi ezingu-200,000 ku-Fig. 6e, kungabonakala ukuthi i-nickel sulfide composite nanoparticles i-homogeneous futhi inosayizi omkhulu wezinhlayiyana ezingaba ngu-100-120 nm ububanzi.Amanye ama-nanoparticles angabonwa endaweni ye-nanowires, futhi ama-titanium dioxide nanowires abonakala ngokucacile.Emkhiwaneni.I-6c,f ibonisa izithombe ze-electron microscopic ze-NiS/TiO2 nanocomposites ekugxilweni kwe-AgNO engu-0.1 M. Uma kuqhathaniswa namakhiwane.6b kanye .6 e ,uqa.6c kanye .I-6f ibonisa ukuthi ama-nanoparticles e-Ag afakwe ebusweni bezinto eziyinhlanganisela, ama-Ag nanoparticles asatshalaliswa ngokulinganayo ngobubanzi obungaba ngu-10 nm.Emkhiwaneni.7 ibonisa ingxenye ephambene ye-Ag/NiS/TiO2 nanofilms engaphansi kwemijikelezo engu-6 ye-NiS dip deposition ekugxiliseni kwe-AgNO3 engu-0.1 M. Kusukela ezithombeni ezikhuliswa kakhulu, ubukhulu befilimu obulinganisiwe babungu-240-270 nm.Ngakho-ke, ama-nanoparticles e-nickel nesiliva sulfide ahlanganiswa ebusweni be-TiO2 nanowires.
I-Pure TiO2 (a, d), i-NiS/TiO2 nanocomposites enemijikelezo engu-6 ye-NiS dip deposition (b, e) kanye ne-Ag/NiS/NiS enemijikelezo engu-6 ye-NiS dip deposition ku-0.1 M AgNO3 SEM izithombe ze-TiO2 nanocomposites (c , e).
Isigaba esiphambanayo sama-nanofilms e-Ag/NiS/TiO2 angaphansi kwemijikelezo engu-6 ye-NiS dip deposition ekugxiliseni kwe-AgNO3 engu-0.1 M.
Emkhiwaneni.I-8 ibonisa ukusatshalaliswa okungaphezulu kwezinto phezu kwendawo ye-Ag/NiS/TiO2 nanocomposites etholwe emijikelezweni engu-6 ye-nickel sulfide dip deposition ekuhlanganiseni kwe-nitrate esiliva engu-0.1 M. Ukusatshalaliswa okungaphezulu kwezinto kubonisa ukuthi i-Ti, O, Ni, S kanye ne-Ag zitholiwe.usebenzisa i-spectroscopy yamandla.Ngokuphathelene nokuqukethwe, i-Ti ne-O yizici ezivame kakhulu ekusabalaliseni, kuyilapho i-Ni ne-S zicishe zifane, kodwa okuqukethwe kwazo kuphansi kakhulu kuno-Ag.Kungafakazelwa futhi ukuthi inani lama-nanoparticles esiliva ahlanganisiwe likhulu kunele-nickel sulfide.Ukusatshalaliswa okufanayo kwezakhi endaweni kubonisa ukuthi i-nickel nesiliva sulfide kuhlanganiswe ngokulinganayo ebusweni be-nanowires ye-TiO2.Ukuhlaziywa kwe-X-ray photoelectron spectroscopic kwenziwa ngaphezu kwalokho ukuze kuhlaziywe ukwakheka okuthile nesimo sokubopha kwezinto.
Ukusatshalaliswa kwezinto (i-Ti, O, Ni, S, ne-Ag) ye-Ag/NiS/TiO2 nanocomposites ekugxilweni kwe-AgNO3 engu-0.1 M emijikelezweni engu-6 ye-NiS dip deposition.
Emkhiwaneni.Umfanekiso 9 ubonisa i-XPS spectra ye-Ag/NiS/TiO2 nanocomposites etholwe kusetshenziswa imijikelezo engu-6 ye-nickel sulfide deposition ngokucwiliswa ku-0.1 M AgNO3, lapho ikhiwane.I-9a iyi-spectrum egcwele, futhi yonke enye i-spectra iyi-spectra yokulungiswa okuphezulu kwezinto.Njengoba kungabonakala ku-spectrum egcwele ku-Fig. 9a, iziqongo zokumunca ze-Ti, O, Ni, S, kanye no-Ag zitholwe ku-nanocomposite, okufakazela ukuba khona kwalezi zakhi ezinhlanu.Imiphumela yokuhlolwa ibihambisana ne-EDS.Ukuphakama okweqile kuMfanekiso 9a yinani eliphakeme lekhabhoni elisetshenziselwa ukulungisa amandla okubopha wesampula.Emkhiwaneni.I-9b ibonisa ukucaca okuphezulu kwe-spectrum yamandla we-Ti.Iziqongo zokumuncwa zama-orbitals angu-2p zitholakala ku-459.32 naku-465 eV, okuhambisana nokumuncwa kwe-orbitals ye-Ti 2p3/2 kanye ne-Ti 2p1/2.Iziqongo ezimbili zokumunca zifakazela ukuthi i-titanium ine-valence ye-Ti4+, ehambisana ne-Ti ku-TiO2.
I-XPS spectra yezilinganiso ze-Ag/NiS/TiO2 (a) nokucaca okuphezulu kwe-XPS spectra ye-Ti2p(b), O1s(c), Ni2p(d), S2p(e), kanye ne-Ag 3d(f).
Emkhiwaneni.I-9d ibonisa i-Ni spectrum yamandla enokulungiswa okuphezulu eneziqongo zokumunca ezine ze-orbital ye-Ni 2p.Iziqongo zokumunca ku-856 kanye ne-873.5 eV zihambisana ne-Ni 2p3/2 kanye ne-Ni 2p1/2 8.10 orbitals, lapho iziqongo zokumuncwa zingeze-NiS.Iziqongo zokumunca ku-881 kanye ne-863 eV eze-nickel nitrate futhi zibangelwa i-nickel nitrate reagent ngesikhathi sokulungiselela isampula.Emkhiwaneni.I-9e ibonisa ukucaca okuphezulu kwe-S-spectrum.Iziqongo zokumuncwa zama-orbitals e-S 2p zitholakala ku-161.5 naku-168.1 eV, ezihambisana ne-S 2p3/2 kanye ne-S 2p1/2 orbitals 21, 22, 23, 24. Lezi ziqongo ezimbili zingezenhlanganisela ye-nickel sulfide.Iziqongo zokumunca ku-169.2 kanye ne-163.4 eV eze-sodium sulfide reagent.Emkhiwaneni.I-9f ibonisa i-spectrum ye-Ag enokulungiswa okuphezulu lapho iziqongo ze-3d orbital zokumuncwa kwesiliva zitholakala ku-368.2 kanye no-374.5 eV, ngokulandelanayo, futhi iziqongo zokumunca ezimbili zihambisana nemizila yokumunca ka-Ag 3d5/2 kanye no-Ag 2, izinhlayiya ezimbili ezitholakala ku-131 yesiliva ekhona ku-131. isimo sesiliva esiyisisekelo.Ngakho-ke, ama-nanocomposites ngokuyinhloko akhiwa i-Ag, i-NiS ne-TiO2, eyanqunywa i-X-ray photoelectron spectroscopy, efakazela ukuthi i-nickel nesiliva sulfide nanoparticles zihlanganiswe ngempumelelo ebusweni be-TiO2 nanowires.
Emkhiwaneni.I-10 ikhombisa i-UV-VIS ehlakazekayo ebonisa ukukhanya kwe-TiO2 nanowires esanda kulungiswa, i-NiS/TiO2 nanocomposites, kanye ne-Ag/NiS/TiO2 nanocomposites.Kungabonakala emfanekisweni ukuthi umkhawulo wokumunca we-TiO2 nanowires ucishe ube ngu-390 nm, futhi ukukhanya okumuncwa kugxile kakhulu endaweni ye-ultraviolet.Kungabonakala emfanekisweni ukuthi ngemva kokuhlanganiswa kwe-nickel ne-silver sulfide nanoparticles ebusweni be-titanium dioxide nanowires 21, 22, ukukhanya okumuncwe kusakazekela endaweni yokukhanya ebonakalayo.Ngesikhathi esifanayo, i-nanocomposite iye yanda ukumuncwa kwe-UV, okuhlotshaniswa negebe elincane le-nickel sulfide.Lapho igebe lebhendi liba mncane, kuncipha umgoqo wamandla okushintshashintsha kwe-elekthronikhi kanye nezinga lokusetshenziswa kokukhanya.Ngemva kokuhlanganisa ubuso be-NiS/TiO2 ngama-nanoparticles esiliva, ukushuba kokumuncwa kanye nobude beza beza obukhanyayo akuzange kukhule kakhulu, ikakhulukazi ngenxa yomphumela we-plasmon resonance ebusweni be-nanoparticles yesiliva.Ubude be-waveleng bokumuncwa be-TiO2 nanowires abuthuthuki ngokuphawulekayo uma buqhathaniswa negebe elincane lebhande lama-nanoparticles e-NiS ayinhlanganisela.Kafushane, ngemva kwenhlanganisela ye-nickel sulfide nama-nanoparticles esiliva ebusweni be-titanium dioxide nanowires, izici zayo zokumunca ukukhanya ziba ngcono kakhulu, futhi ububanzi bokumunca ukukhanya bunwetshwa busuka ku-ultraviolet ukuya ekukhanyeni okubonakalayo, okuthuthukisa izinga lokusetshenziswa kwe-titanium dioxide nanowires.ukukhanya okuthuthukisa ikhono lempahla lokukhiqiza ama-photoelectrons.
I-UV/Vis isabalalisa isibukeli sokubukeka se-TiO2 nanowires entsha, i-NiS/TiO2 nanocomposites, kanye ne-Ag/NiS/TiO2 nanocomposites.
Emkhiwaneni.I-11 ibonisa indlela yokumelana nokugqwala kwe-photochemical ye-Ag/NiS/TiO2 nanocomposites ngaphansi komsebe wokukhanya obonakalayo.Ngokusekelwe ekusabalaliseni okungaba khona kwama-nanoparticles esiliva, i-nickel sulfide, kanye nebhendi yokuqhuba ye-titanium dioxide, imephu engaba khona yendlela yokumelana nokugqwala iyahlongozwa.Ngenxa yokuthi amandla ebhendi yokuqhuba ye-nanosilver mabi uma kuqhathaniswa ne-nickel sulfide, futhi amandla ebhendi e-nickel sulfide awalungile uma kuqhathaniswa ne-titanium dioxide, isiqondiso sokugeleza kwe-electron cishe singu-Ag→NiS→TiO2→304 insimbi engagqwali.Lapho ukukhanya kukhanyiswa ebusweni be-nanocomposite, ngenxa yomphumela we-surface plasmon resonance ye-nanosilver, i-nanosilver ingakhiqiza ngokushesha izimbobo nama-electron akhiqizwe izithombe, futhi ama-electron akhiqizwe izithombe asuka ngokushesha endaweni yebhendi ye-valence aye endaweni yebhendi yokuqhuba ngenxa yesasasa.I-Titanium dioxide ne-nickel sulfide.Njengoba ukuqhutshwa kwe-nanoparticles yesiliva kubi kakhulu kune-nickel sulfide, ama-electron ku-TS ye-nanoparticles yesiliva aguqulwa ngokushesha abe yi-TS ye-nickel sulfide.Amandla okwenza i-nickel sulfide mabi kakhulu kunalawo e-titanium dioxide, ngakho-ke ama-electron e-nickel sulfide kanye ne-conductivity yesiliva aqoqana ngokushesha ku-CB ye-titanium dioxide.Ama-electron akhiqiziwe akhiqiziwe afinyelela phezulu kwensimbi engagqwali engu-304 nge-titanium matrix, futhi ama-electron athuthukisiwe abamba iqhaza kunqubo yokunciphisa umoya-mpilo we-cathodic yensimbi engu-304 engagqwali.Le nqubo inciphisa ukusabela kwe-cathodic futhi ngesikhathi esifanayo icindezela ukusabela kokuqedwa kwe-anodic kwensimbi engagqwali engu-304, ngaleyo ndlela ibona ukuvikelwa kwe-cathodic yensimbi engagqwali 304. Ngenxa yokwakhiwa kwenkundla kagesi ye-heterojunction ku-Ag/NiS/TiO2 nanocomposite, i-conductive ibe yi-negative shift more umphumela we-304 insimbi engagqwali.
Umdwebo ohleliwe wenqubo ye-photoelectrochemical anti-corrosion ye-Ag/NiS/TiO2 nanocomposites ekukhanyeni okubonakalayo.
Kulo msebenzi, ama-nanoparticles e-nickel nesiliva sulfide ahlanganiswa ebusweni be-TiO2 nanowires ngendlela elula yokucwiliswa kanye ne-photoreduction.Uchungechunge lwezifundo ngokuvikelwa kwe-cathodic ye-Ag/NiS/TiO2 nanocomposites ku-304 insimbi engagqwali lwenziwa.Ngokusekelwe ezicini ze-morphological, ukuhlaziywa kokwakheka nokuhlaziywa kwezici zokumunca ukukhanya, iziphetho eziyinhloko ezilandelayo zenziwe:
Ngenani lemijikelezo ye-impregnation-deposition ye-nickel sulfide ye-6 kanye nokuhlushwa kwe-nitrate yesiliva ye-photoreduction ye-0.1 mol / l, umphumela we-Ag/NiS/TiO2 nanocomposites ube nomphumela ongcono wokuvikela we-cathodic ku-304 insimbi engagqwali.Uma kuqhathaniswa ne-calomel electrode egcwele, amandla okuvikela afinyelela -925 mV, futhi okwamanje ukuvikela kufinyelela ku-410 μA/cm2.
Inkambu kagesi ye-heterojunction yakhiwa kusixhumi esibonakalayo se-Ag/NiS/TiO2 nanocomposite, esithuthukisa amandla okuhlukanisa ama-electron akhiqizwe izithombe nezimbobo.Ngesikhathi esifanayo, ukusebenza kahle kokusetshenziswa kokukhanya kuyanda futhi ububanzi bokumunca ukukhanya bunwetshwa kusuka esifundeni se-ultraviolet kuya endaweni ebonakalayo.I-nanocomposite isazoqhubeka nokugcina isimo sayo sangempela ngokuzinza okuhle ngemva kwemijikelezo emi-4.
Ama-nanocomposites e-Ag/NiS/TiO2 alungiselelwe ngokuhlolwa anomfaniswano nendawo eminyene.I-Nickel sulfide nama-nanoparticles esiliva ahlanganiswe ngokulinganayo ebusweni be-TiO2 nanowires.Inhlanganisela ye-cobalt ferrite kanye nama-nanoparticles esiliva anokuhlanzeka okuphezulu.
U-Li, MC, Luo, SZ, Wu, PF & Shen, JN Umphumela wokuvikela we-Photocathodic wamafilimu we-TiO2 we-carbon steel kuzisombululo ezingu-3% ze-NaCl. U-Li, MC, Luo, SZ, Wu, PF & Shen, JN Umphumela wokuvikela we-Photocathodic wamafilimu we-TiO2 we-carbon steel kuzisombululo ezingu-3% ze-NaCl. Li, MC, Luo, SZ, Wu, PF & Shen, JN Эффект фотокатодной защиты пленок TiO2 для углеродистой стали в 3% растворах NaCl. I-Li, MC, Luo, SZ, Wu, PF & Shen, JN Photocathode umphumela wokuvikela wamafilimu e-TiO2 yensimbi ye-carbon ku-3% yezixazululo ze-NaCl. Li, MC, Luo, SZ, Wu, PF & Shen, JN TiO2 薄膜在3% NaCl 溶液中对碳钢的光阴极保护效果。 Li, MC, Luo, SZ, Wu, PF & Shen, JN TiO2 薄膜在3% NaCl 溶液中对碳钢的光阴极保护效果。 Li, MC, Luo, SZ, Wu, PF & Shen, JN Фотокатодная защита углеродистой стали тонкими пленками TiO2 в 3% растворе NaCl. U-Li, MC, Luo, SZ, Wu, PF & Shen, JN Photocathode ukuvikelwa kwe-carbon steel ngamafilimu amancane we-TiO2 kusixazululo esingu-3% se-NaCl.I-Electrochem.Acta 50, 3401–3406 (2005).
U-Li, J., Lin, CJ, Lai, YK & Du, RG Ukuvikelwa kwe-cathodic okwenziwe isithombe kwefilimu efana nembali, i-nanostructured, i-N-doped TiO2 kunsimbi engagqwali. U-Li, J., Lin, CJ, Lai, YK & Du, RG Ukuvikelwa kwe-cathodic okwenziwe isithombe kwefilimu efana nembali, i-nanostructured, i-N-doped TiO2 kunsimbi engagqwali.U-Lee, J., Lin, SJ, Lai, YK no-Du, RG Ukuvikelwa kwe-cathodic okwenziwe ngesithombe kwefilimu ye-TiO2 ene-nanostructured, ene-nitrogen-doped ngendlela yembali ensimbi engagqwali. Li, J., Lin, CJ, Lai, YK & Du, RG 花状纳米结构N 掺杂TiO2 薄膜在不锈钢上的光生阴极保护。 Li, J., Lin, CJ, Lai, YK & Du, RG.U-Lee, J., Lin, SJ, Lai, YK no-Du, RG Ukuvikelwa kwe-cathodic okukhiqiziwe kwe-nitrogen-doped TiO2 amafilimu azacile amise okwezimbali nanostructured kunsimbi engagqwali.surfing Ijazi.ubuchwepheshe 205, 557–564 (2010).
I-Zhou, MJ, Zeng, ZO & Zhong, L. Izakhiwo zokuvikela i-cathode ezenziwe ngesithombe ze-nano-size TiO2/WO3 coating. I-Zhou, MJ, Zeng, ZO & Zhong, L. Izakhiwo zokuvikela i-cathode ezenziwe ngesithombe ze-nano-size TiO2/WO3 coating.I-Zhou, MJ, Zeng, ZO kanye ne-Zhong, L. Izici zokuvikela ze-cathodic ezenziwe ngezithombe ze-TiO2/WO3 nanoscale coating. Zhou, MJ, Zeng, ZO & Zhong, L. 纳米TiO2/WO3 涂层的光生阴极保护性能。 Zhou, MJ, Zeng, ZO & Zhong, L. 纳米TiO2/WO3 涂层的光生阴极保护性能。I-Zhou MJ, i-Zeng ZO kanye ne-Zhong L. Izakhiwo zokuvikela ze-cathodic ezenziwe ngezithombe ze-nano-TiO2/WO3 zokumboza.koros.isayensi.51, 1386–1397 (2009).
I-Park, H., Kim, KY & Choi, W. Indlela ye-Photoelectrochemical yokuvimbela ukugqwala kwensimbi isebenzisa i-photoanode ye-semiconductor. I-Park, H., Kim, KY & Choi, W. Indlela ye-Photoelectrochemical yokuvimbela ukugqwala kwensimbi isebenzisa i-photoanode ye-semiconductor.Ipaki, H., Kim, K.Yu.kanye no-Choi, V. Indlela ye-photoelectrochemical yokuvimbela ukugqwala kwensimbi kusetshenziswa i-photoanode ye-semiconductor. Ipaki, H., Kim, KY & Choi, W. 使用半导体光阳极防止金属腐蚀的光电化学方法. Ipaki, H., Kim, KY & Choi, W.Park H., Kim K.Yu.kanye ne-Choi V. Izindlela ze-Photoelectrochemical zokuvimbela ukugqwala kwezinsimbi kusetshenziswa ama-photoanode e-semiconductor.J. Physics.Amakhemikhali.V. 106, 4775–4781 (2002).
I-Shen, i-GX, i-Chen, i-YC, i-Lin, i-L., i-Lin, i-CJ ne-Scantlebury, D. Ucwaningo nge-hydrophobic nano-TiO2 coating kanye nezakhiwo zayo zokuvikela ukugqwala kwezinsimbi. I-Shen, i-GX, i-Chen, i-YC, i-Lin, i-L., i-Lin, i-CJ ne-Scantlebury, D. Ucwaningo nge-hydrophobic nano-TiO2 coating kanye nezakhiwo zayo zokuvikela ukugqwala kwezinsimbi. I-Shen, GX, Chen, YC, Lin, L., Lin, CJ & Scantlebury, D. Исследование гидрофобного покрытия из нано-TiO2 и его свойств для защиты металлов от корро. I-Shen, i-GX, i-Chen, i-YC, i-Lin, i-L., i-Lin, i-CJ ne-Scantlebury, D. Uphenyo lwe-hydrophobic nano-TiO2 enamathela kanye nezakhiwo zayo zokuvikela ukugqwala kwezinsimbi. Shen, GX, Chen, YC, Lin, L., Lin, CJ & Scantlebury, D. 疏水纳米二氧化钛涂层及其金属腐蚀防护性能的研空。 I-Shen, GX, Chen, YC, Lin, L., Lin, CJ & Scantlebury, D. Ucwaningo lwe-疵水 i-nano-titanium dioxide coating kanye nezakhiwo zayo zokuvikela ukugqwala kwensimbi. I-Shen, GX, Chen, YC, Lin, L., Lin, CJ & Scantlebury, D. Гидрофобные покрытия из нано-TiO2 и их свойства защиты металлов от коррозии. I-Shen, GX, Chen, YC, Lin, L., Lin, CJ & Scantlebury, D. Hydrophobic coatings ye-nano-TiO2 kanye nezakhiwo zayo zokuvikela ukugqwala kwezinsimbi.I-Electrochem.Acta 50, 5083–5089 (2005).
I-Yun, H., Li, J., Chen, HB & Lin, CJ Ucwaningo lwe-N, S ne-Cl-modified nano-TiO2 coatings lokuvikela ukugqwala kwensimbi engagqwali. I-Yun, H., Li, J., Chen, HB & Lin, CJ Ucwaningo lwe-N, S ne-Cl-modified nano-TiO2 coatings lokuvikela ukugqwala kwensimbi engagqwali.I-Yun, H., Li, J., Chen, HB kanye ne-Lin, SJ Uphenyo lwezingubo ze-nano-TiO2 ezilungiswe nge-nitrogen, isulfure ne-chlorine ukuze kuvikelwe ukugqwala kwensimbi engagqwali. Yun, H., Li, J., Chen, HB & Lin, CJ N、S 和Cl 改性纳米二氧化钛涂层用于不锈钢腐蚀防护的研究。 U-Yun, H., Li, J., Chen, HB & Lin, CJ N, S andCl Yun, H., Li, J., Chen, HB & Lin, CJ Покрытия N, S и Cl, модифицированные нано-TiO2, для защиты от коррозии нержавеющей стали. I-Yun, H., Li, J., Chen, HB & Lin, CJ Nano-TiO2 elungiswe i-N, S kanye ne-Cl coatings yokuvikela ukugqwala kwensimbi engagqwali.I-Electrochem.Umqulu 52, 6679–6685 (2007).
I-Zhu, i-YF, i-Du, i-RG, i-Chen, i-W., i-Qi, i-HQ & ne-Lin, i-CJ Izakhiwo zokuvikela i-Photocathodic zamafilimu enethiwekhi ye-titanate nanowire enezinhlangothi ezintathu ezilungiswe nge-sol-gel ehlanganisiwe nendlela ye-hydrothermal. I-Zhu, i-YF, i-Du, i-RG, i-Chen, i-W., i-Qi, i-HQ & ne-Lin, i-CJ Izakhiwo zokuvikela i-Photocathodic zamafilimu enethiwekhi ye-titanate nanowire enezinhlangothi ezintathu ezilungiswe nge-sol-gel ehlanganisiwe nendlela ye-hydrothermal. Zhu, YF, Du, RG, Chen, W., Qi, HQ & Lin, CJ ь и гидротермическим методом. I-Zhu, i-YF, i-Du, i-RG, i-Chen, i-W., i-Qi, i-HQ & ne-Lin, i-CJ Izakhiwo ze-Photocathodic zokuvikela zamafilimu anezinhlangothi ezintathu zenethi ye-titanate nanowires elungiswe nge-sol-gel ehlanganisiwe nendlela ye-hydrothermal. Zhu, YF, Du, RG, Chen, W., Qi, HQ & Lin, CJ 溶胶-凝胶 kanye Zhu, YF, Du, RG, Chen, W., Qi, HQ & Lin, CJ.Izakhiwo zokuvikela ze-消铺-铲和水热法发气小水小水化用线线电视电器电影电影电影电影电影. I-Zhu, YF, Du, RG, Chen, W., Qi, HQ & Lin, CJ кими методами. I-Zhu, YF, Du, RG, Chen, W., Qi, HQ & Lin, CJ Izakhiwo zokuvikela i-Photocathodic zamafilimu amancanyana enethiwekhi ye-titanate nanowire yenethiwekhi elungiselelwe i-sol-gel nezindlela ze-hydrothermal.Electrochemistry.ukuxhumana 12, 1626-1629 (2010).
U-Lee, JH, Kim, SI, Park, SM & Kang, M. A pn ​​heterojunction Isistimu ye-photocatalytic ye-NiS-sensitized TiO2 yokunciphisa isithombe esisebenzayo se-carbon dioxide ku-methane. U-Lee, JH, Kim, SI, Park, SM & Kang, M. A pn ​​​​heterojunction Isistimu ye-photocatalytic ye-NiS-sensitized TiO2 yokunciphisa isithombe esisebenzayo se-carbon dioxide ku-methane.U-Lee, JH, Kim, SI, Park, SM, kanye no-Kang, M. I-pn-heterojunction ye-NiS yazisa isistimu ye-photocatalytic ye-TiO2 ukuze kuncishiswe isithombe esisebenzayo se-carbon dioxide ku-methane. Lee, JH, Kim, SI, Park, SM & Kang, M. 一种pn 异质结NiS 敏化TiO2 光催化系统，用于将二氧化碳高效光还效光还。 Lee, JH, Kim, SI, Park, SM & Kang, M.U-Lee, JH, Kim, SI, Park, SM, kanye no-Kang, M. I-pn-heterojunction ye-NiS yazisa isistimu ye-photocatalytic ye-TiO2 ukuze kuncishiswe isithombe esisebenzayo se-carbon dioxide ku-methane.izitsha zobumba.Ukutolika.43, 1768–1774 (2017).
Wang, QZ et al.I-CuS ne-NiS zisebenza njengama-cocatalyst ukuze kuthuthukiswe i-photocatalytic hydrogen evolution ku-TiO2.Ukutolika.J.Hydro.Amandla 39, 13421–13428 (2014).
U-Liu, Y. & Tang, C. Ukuthuthukiswa kokuvela kwe-photocatalytic H2 ngaphezu kwamafilimu e-TiO2 nano-sheet ngokulayisha phezulu ama-nanoparticles e-NiS. U-Liu, Y. & Tang, C. Ukuthuthukiswa kokuvela kwe-photocatalytic H2 ngaphezu kwamafilimu e-TiO2 nano-sheet ngokulayisha phezulu ama-nanoparticles e-NiS.U-Liu, Y. no-Tang, K. Ukuthuthukiswa kokukhishwa kwe-photocatalytic H2 kumafilimu e-TiO2 nanosheet ngokulayishwa phezulu kwe-NiS nanoparticles. U-Liu, Y. & Tang, C. 通过表面负载NiS 纳米颗粒增强TiO2 纳米片薄膜上的光催化产氢。 U-Liu, Y. & Tang, C.U-Liu, Y. no-Tang, K. Kuthuthukiswe ukukhiqizwa kwe-photocatalytic hydrogen kumafilimu amancanyana we-TiO2 nanosheets ngokufaka ama-nanoparticles e-NiS phezulu.las.J. Physics.Amakhemikhali.A 90, 1042–1048 (2016).
U-Huang, XW & Liu, ZJ Ucwaningo oluqhathanisayo lwesakhiwo kanye nezakhiwo zamafilimu e-nanowire asekelwe ku-Ti-O alungiswe yi-anodization nezindlela zokugcotshwa kwamakhemikhali. U-Huang, XW & Liu, ZJ Ucwaningo oluqhathanisayo lwesakhiwo kanye nezakhiwo zamafilimu e-nanowire asekelwe ku-Ti-O alungiswe yi-anodization nezindlela zokugcotshwa kwamakhemikhali. U-Huang, XW & Liu, ZJ Сравнительное исследование структуры и свойств пленок нанопроводов на основе Ti-O, полученных методами анодирования и хиголеской. I-Huang, XW & Liu, ZJ Ucwaningo oluqhathanisayo lwesakhiwo kanye nezakhiwo zamafilimu e-Ti-O nanowire atholwe ngezindlela ze-anodizing kanye ne-chemical oxidation. U-Huang, XW & Liu, ZJ 阳极氧化法和化学氧化法制备的Ti-O 基纳米线薄膜结构和性能的比较研。 U-Huang, XW & Liu, ZJ 阳极oxidation法和chemicaloxidation法preparation的Ti-O基基基小线thin yesakhiwo sefilimu kanye nempahla yocwaningo lokuqhathanisa. U-Huang, XW no-Liu, ZJ Сравнительное исследование структуры и свойств тонких пленок из нанопроволоки на основе Ti-O, полученных анодированием кимнихический песни. U-Huang, XW & Liu, ZJ Ucwaningo oluqhathanisayo lwesakhiwo nezakhiwo zamafilimu amancanyana e-Ti-O nanowire alungiswe yi-anodization kanye ne-chemical oxidation.J. Alma mater.ubuchwepheshe besayensi 30, 878–883 (2014).
U-Li, H., Wang, XT, Liu, Y. & Hou, BR Ag kanye ne-SnO2 bazwela ndawonye ama-photoanode we-TiO2 ukuze kuvikelwe i-304SS ngaphansi kokukhanya okubonakalayo. U-Li, H., Wang, XT, Liu, Y. & Hou, BR Ag kanye ne-SnO2 bazwela ndawonye ama-photoanode we-TiO2 ukuze kuvikelwe i-304SS ngaphansi kokukhanya okubonakalayo. U-Li, H., Wang, XT, Liu, Y. & Hou, BR Ag kanye ne-SnO2 совместно сенсибилизировали фотоаноды TiO2 для защиты 304SS в видимом свете. U-Li, H., Wang, XT, Liu, Y. & Hou, BR Ag kanye ne-SnO2 bahlanganise ama-photoanode e-TiO2 ukuze bavikele i-304SS ekukhanyeni okubonakalayo. Li, H., Wang, XT, Liu, Y. & Hou, BR Ag 和SnO2 共敏化TiO2 光阳极，用于在可见光下保护304SS. U-Li, H., Wang, XT, Liu, Y. & Hou, BR Ag U-Li, H., Wang, XT, Liu, Y. & Hou, BR Фотоанод TiO2, совместно сенсибилизированный Ag и SnO2, для защиты 304SS в видимом свете. U-Li, H., Wang, XT, Liu, Y. & Hou, BR A TiO2 photoanode uzwe ngokubambisana ne-Ag ne-SnO2 ukuze kuvikelwe ukukhanya okubonakalayo kwe-304SS.koros.isayensi.82, 145–153 (2014).
U-Wen, ZH, Wang, N., Wang, J. & Hou, BR Ag kanye ne-CoFe2O4 bakhuthazelele i-TiO2 nanowire ngokuvikelwa kwe-photocathodic kwe-304 SS ngaphansi kokukhanya okubonakalayo. U-Wen, ZH, Wang, N., Wang, J. & Hou, BR Ag kanye ne-CoFe2O4 bakhuthazelele i-TiO2 nanowire ngokuvikelwa kwe-photocathodic kwe-304 SS ngaphansi kokukhanya okubonakalayo.U-Wen, ZH, Wang, N., Wang, J. kanye no-Howe, BR Ag kanye ne-CoFe2O4 bazwela ngokubambisana ne-TiO2 nanowire ngokuvikelwa kwe-photocathode engu-304 SS ekukhanyeni okubonakalayo. Wen, ZH, Wang, N., Wang, J. & Hou, BR Ag 和CoFe2O4 共敏化TiO2 纳米线，用于在可见光下行对304 SS 进光阴极保。 Wen, ZH, Wang, N., Wang, J. & Hou, BR AgU-Wen, ZH, Wang, N., Wang, J. kanye no-Howe, BR Ag kanye ne-CoFe2O4 bakhuthaze ngokuhlanganyela ama-nanowires we-TiO2 ngokuvikelwa kwe-photocathode engu-304 SS ekukhanyeni okubonakalayo.Ukutolika.J. Electrochemistry.isayensi.13, 752–761 (2018).
I-Bu, YY & Ao, JP Isibuyekezo se-photoelectrochemical cathodic protection semiconductor amafilimu amancanyana ezinsimbi. Bu, YY & Ao, JP Ukubuyekeza mayelana nokuvikelwa kwe-photoelectrochemical cathodic of semiconductor thin films for metal. Bu, YY & Ao, JP Обзор фотоэлектрохимической катодной защиты тонких полупроводниковых пленок для металлов. Bu, YY & Ao, JP Ukubuyekezwa kwe-Photoelectrochemical Cathodic Protection of Semiconductor Thin Films for Metals. Bu, YY & Ao, JP 金属光电化学阴极保护半导体薄膜综述。 Bu, YY & Ao, JP metallization 光电视光阴极电影电影电视设计。 Bu, YY & Ao, JP Обзор металлической фотоэлектрохимической катодной защиты тонких полупроводниковых пленок. Bu, YY & Ao, JP Ukubuyekezwa kokuvikelwa kwe-metallic photoelectrochemical cathodic yamafilimu amancanyana esemiconductor.Indawo yamandla aluhlaza.2, 331–362 (2017).