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dc.contributor.author Hwang, Sung-Ho -
dc.contributor.author Seo, Hye-Jin -
dc.contributor.author Kim, Young Kwang -
dc.contributor.author Lim, Sang Kyoo -
dc.date.accessioned 2018-01-25T01:08:54Z -
dc.date.available 2018-01-25T01:08:54Z -
dc.date.created 2017-04-10 -
dc.date.issued 2016-01 -
dc.identifier.issn 1369-8001 -
dc.identifier.uri http://hdl.handle.net/20.500.11750/5129 -
dc.description.abstract Solar hydrogen production by ZnO electrodeposited onto carbon films was systematically investigated by controlling the amount of the deposited ZnO, property of carbon, and surface activation by KOH treatment. Carbon films have been prepared by polymer solution casting method using PAN solution, and subsequently annealing process. The surface of carbon film became made more porous by chemically activating using KOH. And then, by electrochemical deposition, single crystalline ZnO horn was loaded on both carbon film and activated carbon film to ZnO-based hetero photocatalysts. Electrochemical deposition has been carried out to investigate the effect of ZnO-loading amount by varying deposition condition such as deposition time and concentration of zinc acetate solution. The size of ZnO horn deposited was highly dependent on initial concentration of Zn precursor and deposition time. The measurement of hydrogen production showed that photocatalytic ZnO has produced hydrogen 1.65 and 1.68 times more when deposited on non-activated carbon film and activated carbon film, respectively, than ZnO nanoparticle alone, on account of fast electron transfer due to high electrical conductivity of carbon film. Whereas, by chemically activating carbon film to activated carbon film through the base treatment, hydrogen production was increased only 1.02 times as much as that by ZnO deposited on non-activated carbon film. In this work, the results were discussed and reasoned and it was suggested that characteristics of carbon film would play the most important key role on enhancement of hydrogen production using ZnO-based hetero photocatalysts among various factors. © 2015 Elsevier Ltd. All rights reserved. -
dc.publisher Elsevier Ltd -
dc.title Solar hydrogen production of ZnO horn electrodeposited on carbon film -
dc.type Article -
dc.identifier.doi 10.1016/j.mssp.2015.08.048 -
dc.identifier.scopusid 2-s2.0-84959226759 -
dc.identifier.bibliographicCitation Materials Science in Semiconductor Processing, v.41, pp.226 - 232 -
dc.description.isOpenAccess FALSE -
dc.subject.keywordAuthor Photocatalyst -
dc.subject.keywordAuthor Carbon -
dc.subject.keywordAuthor ZnO -
dc.subject.keywordAuthor Hydrogen production -
dc.subject.keywordPlus Activated Carbon -
dc.subject.keywordPlus ARRAYS -
dc.subject.keywordPlus Carbon -
dc.subject.keywordPlus Carbon Films -
dc.subject.keywordPlus Chemical Activation -
dc.subject.keywordPlus Corrosion -
dc.subject.keywordPlus DEPOSITION -
dc.subject.keywordPlus Deposition Conditions -
dc.subject.keywordPlus Electrochemical Deposition -
dc.subject.keywordPlus Electrodeposition -
dc.subject.keywordPlus Electrodes -
dc.subject.keywordPlus Fast Electron Transfer -
dc.subject.keywordPlus GENERATION -
dc.subject.keywordPlus High Electrical Conductivity -
dc.subject.keywordPlus Hydrogen Production -
dc.subject.keywordPlus Initial Concentration -
dc.subject.keywordPlus KOH ACTIVATION -
dc.subject.keywordPlus NANOPARTICLES -
dc.subject.keywordPlus Nanowires -
dc.subject.keywordPlus OXIDE -
dc.subject.keywordPlus PERFORMANCE -
dc.subject.keywordPlus Photocatalyst -
dc.subject.keywordPlus Photocatalysts -
dc.subject.keywordPlus Polymer Films -
dc.subject.keywordPlus REDUCTION -
dc.subject.keywordPlus Solar Hydrogen Production -
dc.subject.keywordPlus Solar Power Generation -
dc.subject.keywordPlus Solution-Casting Method -
dc.subject.keywordPlus Surface Activation -
dc.subject.keywordPlus WATER -
dc.subject.keywordPlus Zinc -
dc.subject.keywordPlus Zinc Castings -
dc.subject.keywordPlus Zinc Compounds -
dc.subject.keywordPlus Zinc Oxide -
dc.subject.keywordPlus ZnO -
dc.citation.endPage 232 -
dc.citation.startPage 226 -
dc.citation.title Materials Science in Semiconductor Processing -
dc.citation.volume 41 -
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