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Nitrogen-doped graphene-supported zinc sulfide nanorods as efficient Pt-free for visible-light photocatalytic hydrogen production |
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| Authors: | Majid Azarang Mehran Sookhakian Mousa Aliahmad Masoumeh Dorraj Wan Jeffrey Basirun Boon Tong Goh Yatimah Alias |
| Affiliation: | 1. Department of Physics, University of Sistan and Baluchestan, 98135-674, Zahedan, Iran;2. University Malaya Centre for Ionic Liquids (UMCiL), University of Malaya, 50603, Kuala Lumpur, Malaysia;3. Department of Chemistry, Faculty of Science, University of Malaya, 50603, Kuala Lumpur, Malaysia;4. Low Dimensional Materials Research Centre, Department of Physics, Faculty of Science, University of Malaya, 50603, Kuala Lumpur, Malaysia |
| Abstract: | Nitrogen-doped graphene-ZnS composite (NG-ZnS) was synthesized by thermal treatment of graphene-ZnS composite (G-ZnS) in NH3 medium. In the second step, the as-synthesized samples were deposited on indium tin oxide glass (ITO) by electrophoretic deposition for photocatalytic hydrogen evolution reaction. The as-prepared NG-ZnS-modified ITO electrode displayed excellent photocatalytic activity, rapid transient photocurrent response, superior stability and high recyclability compared to the pure ZnS and G-ZnS-modified ITO electrode due to the synergy between the photocatalytic activity of ZnS nanorods and the large surface area and high conductivity of N-graphene. |
| Keywords: | Zinc sulfide Nitrogen doped graphene Hydrogen evolution Photocurrent response Synergistic effect |
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