Isomeric and structural impacts on electron acceptability of carbon cages in atom-bridged fullerene dimers
Sun BY(孙宝云); Ren TX(任同祥); Yuan H(袁慧); Xing GM(邢更妹); Dong JQ(董金泉); Zhao F(赵峰); Gao XY(高学云); Zhao YL(赵宇亮); Sun, BY; Ren, TX; Miao, XP; Dai, FC; Jin, L; Yuan, H; Xing, GM; Li, MX; Dong, JQ; Chang, F; Hu, J; Chen, H; Zhao, F; Gao, X; Zhao, Y
刊名JOURNAL OF PHYSICAL CHEMISTRY C
2008
卷号112期号:3页码:741-746
学科分类Chemistry; Science & Technology - Other Topics; Materials Science
DOI10.1021/jp0771217
通讯作者[Sun, Baoyun ; Ren, Tongxiang ; Dai, Fucai ; Jin, Long ; Yuan, Hui ; Xing, Gengmei ; Dong, Jinquan ; Chen, Hao ; Zhao, Feng ; Gao, Xueyun ; Zhao, Yuliang] Chinese Acad Sci, Inst High Energy Phys, Lab Biol Effects Nanomat & Nanosafety, Beijing 100049, Peoples R China ; [Sun, Baoyun ; Ren, Tongxiang ; Dai, Fucai ; Jin, Long ; Yuan, Hui ; Xing, Gengmei ; Dong, Jinquan ; Chen, Hao ; Zhao, Feng ; Gao, Xueyun ; Zhao, Yuliang] Natl Ctr Nanosci & Technol China, Beijing 100080, Peoples R China ; [Miao, Xiaopei ; Li, Meixian] Peking Univ, Coll Chem & Mol Engn, Beijing 100871, Peoples R China ; [Dai, Fucai ; Chang, Fei] Inner Mongolia Univ, Coll Chem & Chem Engn, Hohhot 010021, Peoples R China ; [Miao, Xiaopei ; Hu, Jingbo] Beijing Normal Univ, Dept Chem, Beijing 100875, Peoples R China
文章类型Article
英文摘要The electrochemical properties of the carbon-bridged fullerene dimers C-121(I), C-121(II), C-121(III), C-131, and C-141 were characterized systematically for the first time in this study. Cyclic voltammogram and differential pulse voltammogram analyses revealed that they first underwent three reversible fullerene-unit-based reduction processes where each of the two carbon cages accepted one electron in each step and then possessed a different deep reduction sequence from the fourth to sixth reduction potentials of the fullerene cages. The electronic interactions between cages in the atom-bridged dimers (e.g., C-60-C-C-60) were found to be different from those of dimers in which two cages were connected directly. Comparison studies of the redox properties of the five dimers revealed that the C-60 dimerization via [5.6]-[6.6] connection influenced the cage electron acceptability much more than that of [5.6]-[5.6] or [6.6]-[6.6] connections And the dimerization with C-70 cages influenced the reduction potentials of dimerized products more potently than that with C-60 cages. Further results from controlled potential electrolysis, high-performance liquid chromatography, matrix-assisted laser desorption and ionization time-of-flight mass spectrometry, ultraviolet absorption spectral analyses demonstrated the reduction processes and a dissociation of the dimers based on reductions. The theoretical understanding of the experiments was investigated by using time-dependent density functional calculations for the ionic states Of C-121(I, II, III)(n-) with n = 0, 1, 2, 3, or 4.
类目[WOS]Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
研究领域[WOS]Chemistry ; Science & Technology - Other Topics ; Materials Science
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语种英语
WOS记录号WOS:000252484000015
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被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/238401
专题中国科学院高能物理研究所_多学科研究中心_期刊论文
中国科学院高能物理研究所_加速器中心
中国科学院高能物理研究所_多学科研究中心
作者单位中国科学院高能物理研究所
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Sun BY,Ren TX,Yuan H,et al. Isomeric and structural impacts on electron acceptability of carbon cages in atom-bridged fullerene dimers[J]. JOURNAL OF PHYSICAL CHEMISTRY C,2008,112(3):741-746.
APA 孙宝云.,任同祥.,袁慧.,邢更妹.,董金泉.,...&Zhao, Y.(2008).Isomeric and structural impacts on electron acceptability of carbon cages in atom-bridged fullerene dimers.JOURNAL OF PHYSICAL CHEMISTRY C,112(3),741-746.
MLA 孙宝云,et al."Isomeric and structural impacts on electron acceptability of carbon cages in atom-bridged fullerene dimers".JOURNAL OF PHYSICAL CHEMISTRY C 112.3(2008):741-746.
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