DC Field | Value | Language |
---|---|---|
dc.contributor.author | Kim, Jin Hyun | ko |
dc.contributor.author | Magesh, Ganesan | ko |
dc.contributor.author | Kang, Hyun Joon | ko |
dc.contributor.author | Banu, Marimuthu | ko |
dc.contributor.author | Kim, Ju Hun | ko |
dc.contributor.author | Lee, Jinwoo | ko |
dc.contributor.author | Lee, Jae Sung | ko |
dc.date.accessioned | 2018-08-20T08:09:56Z | - |
dc.date.available | 2018-08-20T08:09:56Z | - |
dc.date.created | 2018-08-08 | - |
dc.date.created | 2018-08-08 | - |
dc.date.created | 2018-08-08 | - |
dc.date.issued | 2015-07 | - |
dc.identifier.citation | NANO ENERGY, v.15, pp.153 - 163 | - |
dc.identifier.issn | 2211-2855 | - |
dc.identifier.uri | http://hdl.handle.net/10203/245034 | - |
dc.description.abstract | We report here that cobalt carbonate (Co-Ci) is a tailored oxygen evolution electrocatalyst (OEC) from water on BiVO4/WO3 composite photoanode to drive photoelectrochemical reduction of CO2 to fuels on a Cu cathode. For water oxidation, Co-Ci/BiVO4/WO3 performed best in CO2-saturated KHCO3 (KCi, pH 7) electrolyte recording an exceptional photocurrent of 3.5 mA/cm(2) at 1.23 V-RHE under 1 sun illumination, and an onset potential of 0.2 V-RHE. In the photoanode-driven CO2 reduction, the Co-Ci/BiVO4/WO3 (photoanode)-Cu (cathode) system showed stable photocurrent and 51.9% faradaic efficiency (against water reduction to H-2) for CO and C-1-C-2 hydrocarbons, whereas the best known OEC cobalt phosphate (Co-Pi) was less stable and gave only 22.4% faradaic efficiency. Due to its high stability and CO2 reduction selectivity, the Co-Ci assisted system produced 11 times larger amount of CH4 than the Co-Pi assisted system in a continuous operation. (C) 2015 Elsevier Ltd. All rights reserved. | - |
dc.language | English | - |
dc.publisher | ELSEVIER SCIENCE BV | - |
dc.title | Carbonate-coordinated cobalt co-catalyzed BiVO4/WO3 composite photoanode tailored for CO2 reduction to fuels | - |
dc.type | Article | - |
dc.identifier.wosid | 000364578900016 | - |
dc.identifier.scopusid | 2-s2.0-84929170768 | - |
dc.type.rims | ART | - |
dc.citation.volume | 15 | - |
dc.citation.beginningpage | 153 | - |
dc.citation.endingpage | 163 | - |
dc.citation.publicationname | NANO ENERGY | - |
dc.identifier.doi | 10.1016/j.nanoen.2015.04.022 | - |
dc.contributor.localauthor | Lee, Jinwoo | - |
dc.contributor.nonIdAuthor | Kim, Jin Hyun | - |
dc.contributor.nonIdAuthor | Magesh, Ganesan | - |
dc.contributor.nonIdAuthor | Kang, Hyun Joon | - |
dc.contributor.nonIdAuthor | Banu, Marimuthu | - |
dc.contributor.nonIdAuthor | Kim, Ju Hun | - |
dc.contributor.nonIdAuthor | Lee, Jae Sung | - |
dc.description.isOpenAccess | N | - |
dc.type.journalArticle | Article | - |
dc.subject.keywordAuthor | Photoelectrochemical cell | - |
dc.subject.keywordAuthor | BiVO4 | - |
dc.subject.keywordAuthor | Cobalt carbonate co-catalyst | - |
dc.subject.keywordAuthor | Heterojunction | - |
dc.subject.keywordAuthor | CO2 reduction | - |
dc.subject.keywordPlus | PHOTOELECTROCHEMICAL WATER OXIDATION | - |
dc.subject.keywordPlus | OXYGEN EVOLUTION | - |
dc.subject.keywordPlus | ELECTROCHEMICAL REDUCTION | - |
dc.subject.keywordPlus | VISIBLE-LIGHT | - |
dc.subject.keywordPlus | PHOSPHATE | - |
dc.subject.keywordPlus | EFFICIENT | - |
dc.subject.keywordPlus | DIOXIDE | - |
dc.subject.keywordPlus | CONVERSION | - |
dc.subject.keywordPlus | PHOTOOXIDATION | - |
dc.subject.keywordPlus | ELECTRODES | - |
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