期刊
ELECTROCHEMISTRY COMMUNICATIONS
卷 58, 期 -, 页码 6-10出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.elecom.2015.05.015
关键词
Platinum; Nanoparticle; Preferential (100) orientation; Ammonia oxidation; Electrocatalyst; Electrodeposition
资金
- National Natural Science Foundation [51125016]
A clean and simple electrodeposition method without the use of any organic additives has been reported to prepare platinum nanopartides with preferential (100) orientation directly on the conductive substrate. The formation of platinum nanoparticles exposing (100) facets was confirmed by electrochemical methods and high-resolution transmission electron microscopy. The fraction of Pt (100) sites increases as the electrodeposition current density increases from 0.2 to 10 mA cm(-2). Furthermore, as the Pt (100) fraction increases, the specific activity of the Pt particles for ammonia oxidation increases obviously. (C) 2015 Elsevier B.V. All rights reserved.
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