Atomic Structure of Polypyrrole-Modified Carbon-Supported Cobalt Catalyst

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	Atomic Structure of Polypyrrole-Modified Carbon-Supported Cobalt Catalyst
	Wang, J(王娟） ; Qin, HY ; Liu, JB ; Li, ZP ; Wang, H（王华） ; Yang, K ; Li, AG(李爱国） ; He, Y ; Yu, XH（余笑寒）
刊名	JOURNAL OF PHYSICAL CHEMISTRY C
	2012
卷号	116 期号:38
ISSN号	1932-7447
英文摘要	Carbon-supported cobalt catalyst (Co-BP) and polypyrrole-modified carbon-supported cobalt catalyst (Co-PPY-BP) are prepared by an impregnation-chemical method and characterized by X-ray diffraction, X-ray photoelectron spectroscopy, and X-ray absorption fine structure, to investigate their electronic and atomic structures. It is found that a Co ion bonds with two pyrrolic N atoms to form a Co-N-2 bond in the Co-PPY-BP sample. Those two N atoms together with four 0 atoms at 2.04 angstrom constitute a distorted octahedral structure. The Co-N-2 bond, in which the central Co ion has a high valence electron density, is confirmed to be the main active site of Co-PPY-BP toward oxygen reduction reaction in alkaline electrolyte.
语种	英语
WOS记录号	WOS:000309150200013
公开日期	2013-09-11
内容类型	期刊论文
源URL	[http://ir.sinap.ac.cn/handle/331007/13095]
专题	上海应用物理研究所_中科院上海应用物理研究所2011-2017年
推荐引用方式 GB/T 7714	Wang, J,Qin, HY,Liu, JB,et al. Atomic Structure of Polypyrrole-Modified Carbon-Supported Cobalt Catalyst[J]. JOURNAL OF PHYSICAL CHEMISTRY C,2012,116(38).
APA	Wang, J.,Qin, HY.,Liu, JB.,Li, ZP.,Wang, H.,...&Yu, XH.(2012).Atomic Structure of Polypyrrole-Modified Carbon-Supported Cobalt Catalyst.JOURNAL OF PHYSICAL CHEMISTRY C,116(38).
MLA	Wang, J,et al."Atomic Structure of Polypyrrole-Modified Carbon-Supported Cobalt Catalyst".JOURNAL OF PHYSICAL CHEMISTRY C 116.38(2012).