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Facet effect of copper(I) sulfide nanocrystals on photoelectrochemical properties |
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| Authors: | Yecheng Li Lei Zhang Jimmy C Yu and Shu-Hong Yu |
| Institution: | Department of Chemistry and Institute of Environment, Energy and Sustainability, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, China;Department of Chemistry and Institute of Environment, Energy and Sustainability, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, China;Department of Chemistry and Institute of Environment, Energy and Sustainability, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, China;Division of Nanomaterials and Chemistry, Hefei National Laboratory for Physical Sciences at Microscale, Department of Chemistry, National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, Anhui, China |
| Abstract: | 14-facets polyhedra chalcocite Cu2S nanocrystals were synthesized by a solvothermal method. It was found that the presence of trio-n-octylphosphine during the synthesis was essential for the exposure of unconventional {110} faces. Results from photoelectrochemical measurements indicated that the polyhedra bounded by {110} facets exhibited much higher activities than the Cu2S hexagonal plates with only {001} facets. |
| Keywords: | Copper(I) sulfide Photoelectrochemical properties Facet effect |
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