期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 55, 期 13, 页码 4296-4299出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201509017
关键词
carbon nanotubes; catalysis; electrochemistry; hydrogen-oxidation reaction; palladium
资金
- European Research Council (ERC) under the European Union [320403]
- China Scholarship Council
- Cluster of Excellence RESOLV - Deutsche Forschungsgemeinschaft [EXC 1069]
The cyclic voltammetric responses of individual palladium-coated carbon nanotubes are reported. Upon impactfrom the solution phasewith the electrified interface, the nanoparticles act as individual nanoelectrodes catalyzing the hydrogen-oxidation reaction. At high overpotentials the current is shown to reach a quasi-steady-state diffusion limit, allowing determination of the tube length. The electrochemical response of the individual nanotubes also reveals the system to be modulated by the electrical contact between the electrode and carbon nanotube. This modulation presents itself as fluctuations in the recorded Faradaic current.
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