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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)
2012
Source PublicationJOURNAL OF PHYSICAL CHEMISTRY C
ISSN1932-7447
Volume116Issue:38
AbstractCarbon-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.
Language英语
Funding Project应物所项目组
WOS IDWOS:000309150200013
Citation statistics
Cited Times:15[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/13095
Collection中科院上海应用物理研究所2011-2019年
Recommended Citation
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).
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