ICCAS OpenIR
Kinetics of Heterogeneous Electron Transfer Reactions at the Externally Polarized Water/o-Nitrophenyl Octyl Ether Interface
Xie, Shubao; Meng, Xin; Liang, Zhongwei; Li, Bo; Chen, Zhong; Zhu, Zhiwei; Li, Meixian; Shao, Yuanhua
2008-11-20
Source PublicationJOURNAL OF PHYSICAL CHEMISTRY C
ISSN1932-7447
Volume112Issue:46Pages:18117-18124
AbstractThe heterogeneous electron transfer (ET) reactions between dimethylferrocenium (DiMFc(+)) or ferrocenium (Fc(+)) produced in situ in o-nitrophenyl octyl ether (NPOE) and hexacyanoferrite [Fe(CN)(6)(4-)] in aqueous phase have been investigated by scanning electrochemical microscopy (SECM). The potential difference across the water/NPOE (W/NPOE) interface was controlled externally to maintain a certain driving force for the ET reactions. The standard kinetic rate constants (k(12)(0)) for the above bimolecular ET reactions were measured to be 0.075 and 0.050 cm s(-1) M-1 when DiMFc and Fc were employed as the respective organic reactants. The transfer coefficients (alpha) were calculated to be 1.09 and 1.62, respectively. Those abnormal values of alpha were analyzed and ascribed to the Frumkin effect (or diffuse layer effect) at both sides of the interfaces. Some of the previous reports are summarized and also analyzed based on the Frumkin effect. The possible effect of ion transfer on the ET process is discussed in detail.
DOI10.1021/jp802435m
Indexed BySCI
Language英语
WOS IDWOS:000260923900059
PublisherAMER CHEMICAL SOC
Citation statistics
Cited Times:9[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/64944
Collection中国科学院化学研究所
Corresponding AuthorShao, Yuanhua
AffiliationPeking Univ, Coll Chem & Mol Engn, Beijing Natl Lab Mol Sci, Inst Analyt Chem, Beijing 100871, Peoples R China
Recommended Citation
GB/T 7714
Xie, Shubao,Meng, Xin,Liang, Zhongwei,et al. Kinetics of Heterogeneous Electron Transfer Reactions at the Externally Polarized Water/o-Nitrophenyl Octyl Ether Interface[J]. JOURNAL OF PHYSICAL CHEMISTRY C,2008,112(46):18117-18124.
APA Xie, Shubao.,Meng, Xin.,Liang, Zhongwei.,Li, Bo.,Chen, Zhong.,...&Shao, Yuanhua.(2008).Kinetics of Heterogeneous Electron Transfer Reactions at the Externally Polarized Water/o-Nitrophenyl Octyl Ether Interface.JOURNAL OF PHYSICAL CHEMISTRY C,112(46),18117-18124.
MLA Xie, Shubao,et al."Kinetics of Heterogeneous Electron Transfer Reactions at the Externally Polarized Water/o-Nitrophenyl Octyl Ether Interface".JOURNAL OF PHYSICAL CHEMISTRY C 112.46(2008):18117-18124.
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