DC Field | Value | Language |
---|---|---|
dc.contributor.author | Yoon, Hyewon | ko |
dc.contributor.author | Lee, Kisung | ko |
dc.contributor.author | Kim, Hyojung | ko |
dc.contributor.author | Park, Minsu | ko |
dc.contributor.author | Novak, Travis G. | ko |
dc.contributor.author | Hyun, Gayea | ko |
dc.contributor.author | Seokjeong, Mun | ko |
dc.contributor.author | Jeon, Seokwoo | ko |
dc.date.accessioned | 2019-12-20T06:22:12Z | - |
dc.date.available | 2019-12-20T06:22:12Z | - |
dc.date.created | 2019-10-07 | - |
dc.date.created | 2019-10-07 | - |
dc.date.created | 2019-10-07 | - |
dc.date.created | 2019-10-07 | - |
dc.date.issued | 2019-11 | - |
dc.identifier.citation | Advanced Sustainable Systems, v.3, no.11, pp.1900084 | - |
dc.identifier.issn | 2366-7486 | - |
dc.identifier.uri | http://hdl.handle.net/10203/270036 | - |
dc.description.abstract | As rapidly growing environmental pollution demands the development of efficient photocatalytic materials, tremendous attention has been drawn to TiO2, a widely used photocatalytic material with cost-effectiveness, stability, and outstanding reactivity. To maximize its photocatalytic efficiency by enhancing the photogenerated charge separation, lowering the intrinsically large bandgap (3.2 eV) of TiO2 is a key problem to be overcome. Herein, a new design is reported for an efficient photocatalyst realized by heterostructuring a 3D nanostructured TiO2 monolith (3D TiO2) and graphene quantum dots (GQDs) through using 3-aminopropyltriethoxysilane (APTES) as a linker. The incorporation of APTES between the TiO2/GQD interface enables the formation of a charge injection-type heterostructure, as confirmed by transient absorption spectroscopy, providing improvement of both visible absorption and charge separation. As a result, the heterostructure exhibits a 242% enhanced photocatalytic performance compared to that of nonheterostructured 3D TiO2 under visible irradiation, demonstrating its promising potential for practical photocatalytic applications in environmental remediation. | - |
dc.language | English | - |
dc.publisher | WILEY-V C H VERLAG GMBH | - |
dc.title | Highly Efficient UV-Visible Photocatalyst from Monolithic 3D Titania/Graphene Quantum Dot Heterostructure Linked by Aminosilane | - |
dc.type | Article | - |
dc.identifier.wosid | 000486754700001 | - |
dc.identifier.scopusid | 2-s2.0-85073961728 | - |
dc.type.rims | ART | - |
dc.citation.volume | 3 | - |
dc.citation.issue | 11 | - |
dc.citation.beginningpage | 1900084 | - |
dc.citation.publicationname | Advanced Sustainable Systems | - |
dc.identifier.doi | 10.1002/adsu.201900084 | - |
dc.contributor.localauthor | Jeon, Seokwoo | - |
dc.contributor.nonIdAuthor | Lee, Kisung | - |
dc.contributor.nonIdAuthor | Kim, Hyojung | - |
dc.contributor.nonIdAuthor | Seokjeong, Mun | - |
dc.description.isOpenAccess | N | - |
dc.type.journalArticle | Article | - |
dc.subject.keywordAuthor | 3D nanostructured TiO2 | - |
dc.subject.keywordAuthor | charge injection | - |
dc.subject.keywordAuthor | graphene quantum dots | - |
dc.subject.keywordAuthor | TiO2 | - |
dc.subject.keywordAuthor | GQD heterostructure | - |
dc.subject.keywordAuthor | visible light photocatalysis | - |
dc.subject.keywordPlus | ELECTRON-TRANSFER DYNAMICS | - |
dc.subject.keywordPlus | PEROVSKITE SOLAR-CELLS | - |
dc.subject.keywordPlus | CHARGE-TRANSFER LMCT | - |
dc.subject.keywordPlus | TIO2 NANOPARTICLES | - |
dc.subject.keywordPlus | CARBON | - |
dc.subject.keywordPlus | PERFORMANCE | - |
dc.subject.keywordPlus | COMPOSITES | - |
dc.subject.keywordPlus | INTERFACE | - |
dc.subject.keywordPlus | PHOTOLUMINESCENCE | - |
dc.subject.keywordPlus | DEGRADATION | - |
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