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https://hdl.handle.net/10356/151273
Title: | A simple electrochemical method for conversion of Pt wires to Pt concave icosahedra and nanocubes on carbon paper for electrocatalytic hydrogen evolution | Authors: | Luo, Zhimin Tan, Chaoliang Lai, Zhuangchai Zhang, Xiao Chen, Junze Chen, Ye Chen, Bo Gong, Yue Zhang, Zhicheng Wu, Xuejun Li, Bing Zong, Yun Gu, Lin Zhang, Hua |
Keywords: | Engineering::Materials | Issue Date: | 2019 | Source: | Luo, Z., Tan, C., Lai, Z., Zhang, X., Chen, J., Chen, Y., Chen, B., Gong, Y., Zhang, Z., Wu, X., Li, B., Zong, Y., Gu, L. & Zhang, H. (2019). A simple electrochemical method for conversion of Pt wires to Pt concave icosahedra and nanocubes on carbon paper for electrocatalytic hydrogen evolution. Science China Materials, 62(1), 115-121. https://dx.doi.org/10.1007/s40843-018-9315-5 | Project: | MOE2014-T2-2-093 MOE2015-T2-2-057 MOE2016-T2-2-103 MOE2017-T2-1-162 2016-T1-001-147 2016-T1-002-051 2017-T1-001-150 2017-T1-002-119 M4081296.070.500000 |
Journal: | Science China Materials | Abstract: | In the controlled synthesis of noble metal nanostructures using wet-chemical methods, normally, metal salts/complexes are used as precursors, and surfactants/ ligands are used to tune/stabilize the morphology of nanostructures. Here, we develop a facile electrochemical method to directly convert Pt wires to Pt concave icosahedra and nanocubes on carbon paper through the linear sweep voltammetry in a classic three-electrode electrochemical cell. The Pt wire, carbon paper and Ag/AgCl (3 mol L−1 KCl) are used as the counter, working and reference electrodes, respectively. Impressively, the formed Pt nanostructures exhibit better electrocatalytic activity towards the hydrogen evolution compared to the commercial Pt/C catalyst. This work provides a simple and effective way for direct conversion of Pt wires into well-defined Pt nanocrystals with clean surface. We believe it can also be used for preparation of other metal nanocrystals, such as Au and Pd, from their bulk materials, which could exhibit various promising applications. | URI: | https://hdl.handle.net/10356/151273 | ISSN: | 2095-8226 | DOI: | 10.1007/s40843-018-9315-5 | Schools: | School of Materials Science and Engineering | Research Centres: | Centre for Programmable Materials | Rights: | © 2018 Science China Press and Springer-Verlag GmbH Germany, part of Springer Nature. All rights reserved. | Fulltext Permission: | none | Fulltext Availability: | No Fulltext |
Appears in Collections: | MSE Journal Articles |
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