期刊
JOURNAL OF MATERIALS CHEMISTRY
卷 19, 期 34, 页码 6149-6153出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/b902744k
关键词
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资金
- Guangdong Sci. & Tech. Key Projects [2007A010700001, 2007B090400032, 2007Z1-D0051, SKT [2007]17-11]
- Foundation of the Ministry of Education of China [20070558062]
A unique nanochain-structured mesoporous tungsten carbide (m-NCTC) was synthesized through a simple combined hydrothermal reaction-post heat-treatment approach. When loaded with Pt, the nanostructure (Pt/m-NCTC), as a catalyst, demonstrates high unit mass electroactivity (323 A (g Pt)(-1)) and high resistance to CO poisoning for methanol oxidation, and is much superior to Pt/C, one of the known excellent electrocatalysts. Its high reaction activity and strong poison-resistivity is very likely due to the unique mesoporous nanochain structure and high specific surface area (113 m(2) g(-1)). This work provides a universal and economic method to synthesize novel mesoporous structured materials and provides scientific insight of mesoporous structured electrocatalysis, thus leading to various important applications as a catalyst in fuel cells, solar cells, sensors and in organic synthesis reactions.
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