Please use this identifier to cite or link to this item:
http://hdl.handle.net/10397/65883
DC Field | Value | Language |
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dc.contributor | Department of Applied Biology and Chemical Technology | - |
dc.creator | Ha, E | - |
dc.creator | Liu, W | - |
dc.creator | Wang, L | - |
dc.creator | Man, HW | - |
dc.creator | Hu, L | - |
dc.creator | Tsang, SCE | - |
dc.creator | Chan, CTL | - |
dc.creator | Kwok, WM | - |
dc.creator | Lee, LYS | - |
dc.creator | Wong, KY | - |
dc.date.accessioned | 2017-05-22T02:09:23Z | - |
dc.date.available | 2017-05-22T02:09:23Z | - |
dc.identifier.uri | http://hdl.handle.net/10397/65883 | - |
dc.language.iso | en | en_US |
dc.publisher | Nature Publishing Group | en_US |
dc.rights | This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/ | en_US |
dc.rights | © The Author(s) 2017 | en_US |
dc.rights | The following publication Ha, E. et al. Cu2ZnSnS4/MoS2-Reduced Graphene Oxide Heterostructure: Nanoscale Interfacial Contact and Enhanced Photocatalytic Hydrogen Generation. Sci. Rep. 7, 39411 (2017) is available at https://dx.doi.org/10.1038/srep39411 | en_US |
dc.title | Cu2ZnSnS4/MoS2-reduced graphene oxide heterostructure : nanoscale interfacial contact and enhanced photocatalytic hydrogen generation | en_US |
dc.type | Journal/Magazine Article | en_US |
dc.identifier.volume | 7 | - |
dc.identifier.doi | 10.1038/srep39411 | - |
dcterms.abstract | Hydrogen generation from water using noble metal-free photocatalysts presents a promising platform for renewable and sustainable energy. Copper-based chalcogenides of earth-abundant elements, especially Cu 2 ZnSnS 4 (CZTS), have recently arisen as a low-cost and environment-friendly material for photovoltaics and photocatalysis. Herein, we report a new heterostructure consisting of CZTS nanoparticles anchored onto a MoS 2 -reduced graphene oxide (rGO) hybrid. Using a facile two-step method, CZTS nanoparticles were in situ grown on the surface of MoS 2 -rGO hybrid, which generated high density of nanoscale interfacial contact between CZTS and MoS 2 -rGO hybrid. The photoexcited electrons of CZTS can be readily transported to MoS 2 through rGO backbone, reducing the electron-hole pair recombination. In photocatalytic hydrogen generation under visible light irradiation, the presence of MoS 2 -rGO hybrids enhanced the hydrogen production rate of CZTS by 320%, which can be attributed to the synergetic effect of increased charge separation by rGO and more catalytically active sites from MoS 2. Furthermore, this CZTS/MoS 2 -rGO heterostructure showed much higher photocatalytic activity than both Au and Pt nanoparticle-decorated CZTS (Au/CZTS and Pt/CZTS) photocatalysts, indicating the MoS 2 -rGO hybrid is a better co-catalyst for photocatalytic hydrogen generation than the precious metal. The CZTS/MoS 2 -rGO system also demonstrated stable photocatalytic activity for a continuous 20 h reaction. | - |
dcterms.accessRights | open access | en_US |
dcterms.bibliographicCitation | Scientific reports, 3 2017, v. 7, no. , 39411, p. 1-8 | - |
dcterms.isPartOf | Scientific reports | - |
dcterms.issued | 2017 | - |
dc.identifier.isi | WOS:000391024600001 | - |
dc.identifier.scopus | 2-s2.0-85008330517 | - |
dc.identifier.ros | 2016005295 | - |
dc.identifier.eissn | 2045-2322 | - |
dc.identifier.artn | 39411 | - |
dc.identifier.rosgroupid | 2016005046 | - |
dc.description.ros | 2016-2017 > Academic research: refereed > Publication in refereed journal | - |
dc.description.validate | 201804_a bcma | - |
dc.description.oa | Version of Record | en_US |
dc.identifier.FolderNumber | OA_IR/PIRA | en_US |
dc.description.pubStatus | Published | en_US |
dc.description.oaCategory | CC | en_US |
Appears in Collections: | Journal/Magazine Article |
Files in This Item:
File | Description | Size | Format | |
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Ha_Cu2ZnSnS4_MoS2-reduced_Graphene.pdf | 1.86 MB | Adobe PDF | View/Open |
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