Full metadata record
DC Field | Value | Language |
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dc.citation.endPage | 7602 | - |
dc.citation.number | 7 | - |
dc.citation.startPage | 7587 | - |
dc.citation.title | ACS OMEGA | - |
dc.citation.volume | 3 | - |
dc.contributor.author | Vattikuti, S. V. Prabhakar | - |
dc.contributor.author | Reddy, Police Anil Kumar | - |
dc.contributor.author | Shim, Jaesool | - |
dc.contributor.author | Byon, Chan | - |
dc.date.accessioned | 2023-12-21T20:37:27Z | - |
dc.date.available | 2023-12-21T20:37:27Z | - |
dc.date.created | 2018-08-29 | - |
dc.date.issued | 2018-07 | - |
dc.description.abstract | A zero-dimensional/two-dimensional heterostructure consists of binary SnO2-ZnO quantum dots (QDs) deposited on the surface of graphitic carbon nitride (g-C3N4) nanosheets. The so-called SnO2-ZnO QDs/g-C3N4 hybrid was successfully synthesized via an in situ co-pyrolysis approach to achieve efficient photoactivity for the degradation of pollutants and production of hydrogen (H-2) under visible-light irradiation. High-resolution transmission electron microscopy images show the close contacts between SnO2-ZnO QDs with the g-C3N4 in the ternary SnO2-ZnO QDs/g-C3N4 hybrid. The optimized hybrid shows excellent photocatalytic efficiency, achieving 99% rhodamine B dye degradation in 60 min under visible-light irradiation. The enriched charge-carrier separation and transportation in the SnO2-ZnO QDs/g-C3N4 hybrid was determined based on electrochemical impedance and photocurrent analyses. This remarkable photoactivity is ascribed to the "smart" heterostructure, which yields numerous benefits, such as visible-light-driven fast electron and hole transfer, due to the strong interaction between the SnO2-ZnO QDs with the g-C3N4 matrix. In addition, the SnO2-ZnO QDs/g-C3N4 hybrid demonstrated a high rate of hydrogen production (13 673.61 mu mol g(-1)), which is 1.06 and 2.27 times higher than that of the binary ZnO/g-C3N4 hybrid (12 785.54 mu mol g(-1)) and pristine g-C3N4 photocatalyst (6017.72 mu mol g(-1)). The synergistic effect of increased visible absorption and diminished recombination results in enhanced performance of the as-synthesized tin oxide-and zinc oxide-modified g-C3N4. We conclude that the present ternary SnO2-ZnO QDs/g-C3N4 hybrid is a promising electrode material for H-2 production and photoelectrochemical cells. | - |
dc.identifier.bibliographicCitation | ACS OMEGA, v.3, no.7, pp.7587 - 7602 | - |
dc.identifier.doi | 10.1021/acsomega.8b00471 | - |
dc.identifier.issn | 2470-1343 | - |
dc.identifier.scopusid | 2-s2.0-85049804465 | - |
dc.identifier.uri | https://scholarworks.unist.ac.kr/handle/201301/24723 | - |
dc.identifier.url | https://pubs.acs.org/doi/10.1021/acsomega.8b00471 | - |
dc.identifier.wosid | 000438908600048 | - |
dc.language | 영어 | - |
dc.publisher | AMER CHEMICAL SOC | - |
dc.title | Visible-Light-Driven Photocatalytic Activity of SnO2-ZnO Quantum Dots Anchored on g-C3N4 Nanosheets for Photocatalytic Pollutant Degradation and H-2 Production | - |
dc.type | Article | - |
dc.description.isOpenAccess | TRUE | - |
dc.relation.journalWebOfScienceCategory | Chemistry, Multidisciplinary | - |
dc.relation.journalResearchArea | Chemistry | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.subject.keywordPlus | GRAPHITIC CARBON NITRIDE | - |
dc.subject.keywordPlus | HYDROGEN-PRODUCTION | - |
dc.subject.keywordPlus | NANOCOMPOSITES | - |
dc.subject.keywordPlus | EVOLUTION | - |
dc.subject.keywordPlus | PERFORMANCE | - |
dc.subject.keywordPlus | COMPOSITE | - |
dc.subject.keywordPlus | PHOTODEGRADATION | - |
dc.subject.keywordPlus | NANOPARTICLES | - |
dc.subject.keywordPlus | CONSTRUCTION | - |
dc.subject.keywordPlus | IRRADIATION | - |
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