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Title: Template-free pseudomorphic synthesis of tungsten carbide nanorods
Authors: Yan, Ya
Zhang, Lan
Qi, Xiaoying
Song, Hao
Wang, Jing-Yuan
Zhang, Hua
Wang, Xin
Issue Date: 2012
Source: Yan, Y., Zhang, L., Qi, X., Song, H., Wang, J.-Y., Zhang, H., et al. (2012). Template-Free Pseudomorphic Synthesis of Tungsten Carbide Nanorods. Small, 8(21), 3350-3356.
Series/Report no.: Small
Abstract: A unique nanorod-structured tungsten carbide material with high specific surface area of 198 m2 g−1 is successfully synthesized for the first time by pseudomorphic transformation of chemically synthesized WO3 nanorods through a high-temperature method. An electrocatalyst composed of Pt nanoparticles supported on WC nanorods demonstrates higher electrocatalytic activity for methanol electro-oxidation, better tolerance to CO poisoning, and superior performance for cathodic electrocatalytic hydrogen evolution than a Pt/C catalyst. This work provides a novel method to synthesize high-surface-area nanorod-structured WC materials by preparing oxide precursors with the desired external morphology, thus offering great potential for a broad range of applications of these materials in related reaction systems.
ISSN: 1613-6829
DOI: 10.1002/smll.201200877
Rights: © 2012 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.
Fulltext Permission: none
Fulltext Availability: No Fulltext
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