Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/139232
Title: Synthesis of hierarchical 4H/fcc Ru nanotubes for highly efficient hydrogen evolution in alkaline media
Authors: Lu, Qipeng
Wang, An-Liang
Cheng, Hongfei
Gong, Yue
Yun, Qinbai
Yang, Nailiang
Li, Bing
Chen, Bo
Zhang, Qinghua
Zong, Yun
Gu, Lin
Zhang, Hua
Keywords: Engineering::Materials
Issue Date: 2018
Source: Lu, Q., Wang, A.-L., Cheng, H., Gong, Y., Yun, Q., Yang, N., . . . Zhang, H. (2018). Synthesis of hierarchical 4H/fcc Ru nanotubes for highly efficient hydrogen evolution in alkaline media. Small, 14(30), 1801090-. doi:10.1002/smll.201801090
Journal: Small
Abstract: Hierarchical metal nanostructures containing 1D nanobuilding blocks have stimulated great interest due to their abundant active sites for catalysis. Herein, hierarchical 4H/face-centered cubic (fcc) Ru nanotubes (NTs) are synthesized by a hard template-mediated method, in which 4H/fcc Au nanowires (NWs) serve as sacrificial templates which are then etched by copper ions (Cu2+ ) in dimethylformamide. The obtained hierarchical 4H/fcc Ru NTs contain ultrathin Ru shells (5-9 atomic layers) and tiny Ru nanorods with length of 4.2 ± 1.1 nm and diameter of 2.2 ± 0.5 nm vertically decorated on the surface of Ru shells. As an electrocatalyst for the hydrogen evolution reaction in alkaline media, the hierarchical 4H/fcc Ru NTs exhibit excellent electrocatalytic performance, which is better than 4H/fcc Au-Ru NWs, commercial Pt/C, Ru/C, and most of the reported electrocatalysts.
URI: https://hdl.handle.net/10356/139232
ISSN: 1613-6810
DOI: 10.1002/smll.201801090
Rights: © 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. All rights reserved.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:MSE Journal Articles

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