Meso-meso linked diporphyrin functionalized single-walled carbon nanotubes

被引：9
作者：
He, Lin [1 ,2 ]
Zhu, Yi-Zhou [1 ,2 ]
Zheng, Jian-Yu [1 ,2 ]
Ma, Yan-Feng [3 ,4 ]
Chen, Yong-Sheng [3 ,4 ]
机构：
[1] Nankai Univ, State Key Lab, Tianjin 300071, Peoples R China
[2] Nankai Univ, Inst Elementoorgan Chem, Tianjin 300071, Peoples R China
[3] Nankai Univ, Ctr Nanoscale Sci & Technol, Tianjin 300071, Peoples R China
[4] Nankai Univ, Coll Chem, Inst Polymer Chem, Key Lab Funct Polymer Mat, Tianjin 300071, Peoples R China
来源：
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY | 2010年 / 216卷 / 01期
关键词：
Meso meso linked diporphyrin; Single-walled carbon nanotube; Charge separate; Photoinduced electron transfer; PHOTOSYNTHETIC ELECTRON-TRANSFER; DONOR-ACCEPTOR NANOHYBRIDS; PORPHYRIN-FULLERENE DYAD; SOLAR-ENERGY CONVERSION; CHARGE SEPARATION; PHOTOVOLTAIC DEVICES; PHOTOPHYSICAL PROPERTIES; ARRAYS; NANOCOMPOSITES; COMPOSITES;
D O I：
10.1016/j.jphotochem.2010.09.001
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Meso meso linked diporphyrins ([H(2)Por](2)) covalently functionalized soluble single-walled carbon nanotubes ([H(2)Por](2)-SWNTs) have been successfully prepared As a light-harvesting chromophore meso meso linked diporphyrins have been incorporated into a photosynthetic electron-transfer model with SWNTs as an electron-acceptor The steady emission characteristics revealed the existence of the effective energy and electron transfer between the excited porphyrin moiety and SWNTs and the electron transfer process was confirmed by electrochemical study The charge separation quenching process was supported by the results of time-resolved transient absorption spectra and the lifetime of charge-separation state was observed to be 145 ns which was 2 5 times of that of monoporphyrin modified SWNTs (TPP-SWNTs) (C) 2010 Elsevier B V All rights reserved
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页码：15 / 23
页数：9
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