Atomic and electronic structures of graphene-decorated graphitic carbon nitride (g-C3N4) as a metal-free photocatalyst under visible-light
DC Field | Value | Language |
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dc.contributor.author | Jeong, Taehwan | - |
dc.contributor.author | Piao, Huiyan | - |
dc.contributor.author | Park, Sangwoo | - |
dc.contributor.author | Yang, Jae-Hun | - |
dc.contributor.author | Choi, Goeun | - |
dc.contributor.author | Wu, Qinke | - |
dc.contributor.author | Kang, Hyunmin | - |
dc.contributor.author | Woo, Hwi Je | - |
dc.contributor.author | Jung, Seong Jun | - |
dc.contributor.author | Kim, Hanchul | - |
dc.contributor.author | Shin, Bong Gyu | - |
dc.contributor.author | Kim, Youngkuk | - |
dc.contributor.author | Hwang, Euy Heon | - |
dc.contributor.author | Choy, Jin-Ho | - |
dc.contributor.author | Song, Young Jae | - |
dc.date.available | 2021-02-22T05:45:27Z | - |
dc.date.issued | 2019-11 | - |
dc.identifier.issn | 0926-3373 | - |
dc.identifier.issn | 1873-3883 | - |
dc.identifier.uri | https://scholarworks.sookmyung.ac.kr/handle/2020.sw.sookmyung/2756 | - |
dc.description.abstract | Industrial demands for sustainable and renewable energy resources have inspired studies on photonic and electronic properties of graphitic-carbon nitride (g-C3N4) as a promising photocatalyst without precious metal. The absorption and the yield by metal-free pristine g-C3N4 are, however, still limited with hydrogen/oxygen evolution reaction (HER/OER) mostly around ultraviolet-light. Here, we propose the graphene-decorated g-C3N4 as a metal-free photocatalyst under visible-light, based on our atomic-scale measurements and calculations. The g-C3N4 nanosheets on highly-oriented pyrolytic graphite (HOPG) exhibit band-gaps appropriate for visible-light absorption and work-functions tuned for band alignments to supply electrons and holes for HER/OER. Scanning probe microscopy (SPM) measurements for local density of states (LDOS) in atomic scale and work-functions in nanometer scale with ab initio calculations confirmed the various electronic transitions for each nitrogen and carbon atom in different atomic registries. The graphene-decorated g-C3N4, therefore, could provide a break through enabling the efficient water-splitting reactions under visible-light without precious metal. | - |
dc.language | 영어 | - |
dc.language.iso | ENG | - |
dc.publisher | ELSEVIER | - |
dc.title | Atomic and electronic structures of graphene-decorated graphitic carbon nitride (g-C3N4) as a metal-free photocatalyst under visible-light | - |
dc.type | Article | - |
dc.publisher.location | 네델란드 | - |
dc.identifier.doi | 10.1016/j.apcatb.2019.117850 | - |
dc.identifier.scopusid | 2-s2.0-85067785889 | - |
dc.identifier.wosid | 000483451200054 | - |
dc.identifier.bibliographicCitation | APPLIED CATALYSIS B-ENVIRONMENTAL, v.256 | - |
dc.citation.title | APPLIED CATALYSIS B-ENVIRONMENTAL | - |
dc.citation.volume | 256 | - |
dc.type.docType | Article | - |
dc.description.isOpenAccess | N | - |
dc.description.journalRegisteredClass | sci | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.relation.journalResearchArea | Chemistry | - |
dc.relation.journalResearchArea | Engineering | - |
dc.relation.journalWebOfScienceCategory | Chemistry, Physical | - |
dc.relation.journalWebOfScienceCategory | Engineering, Environmental | - |
dc.relation.journalWebOfScienceCategory | Engineering, Chemical | - |
dc.subject.keywordPlus | INITIO MOLECULAR-DYNAMICS | - |
dc.subject.keywordPlus | TOTAL-ENERGY CALCULATIONS | - |
dc.subject.keywordPlus | DOPED G-C3N4 | - |
dc.subject.keywordPlus | PHOTOELECTROCHEMICAL PERFORMANCE | - |
dc.subject.keywordPlus | BAND-STRUCTURE | - |
dc.subject.keywordPlus | DRIVEN | - |
dc.subject.keywordPlus | NANOSHEETS | - |
dc.subject.keywordPlus | COMPOSITE | - |
dc.subject.keywordPlus | POLYPYRROLE/TIO2 | - |
dc.subject.keywordPlus | HETEROJUNCTION | - |
dc.subject.keywordAuthor | Graphitic carbon nitride | - |
dc.subject.keywordAuthor | Graphene | - |
dc.subject.keywordAuthor | Scanning tunneling spectroscopy | - |
dc.subject.keywordAuthor | Hydrogen evolution reaction | - |
dc.subject.keywordAuthor | Oxygen evolution reaction | - |
dc.identifier.url | https://www.sciencedirect.com/science/article/abs/pii/S092633731930596X?via%3Dihub | - |
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