Synthesis, characterization, and photophysical properties of covalent-linked ferrocene-porphyrin-single-walled carbon nanotube triad hybrid

被引：32
作者：
Zhao, Haiying [3 ]
Zhu, Yizhou [1 ,2 ]
Chen, Chen [1 ,2 ]
He, Lin [1 ,2 ]
Zheng, Jianyu [1 ,2 ]
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] Inner Mongolia Univ, Coll Chem & Chem Engn, Hohhot 010021, Peoples R China
来源：
CARBON | 2012年 / 50卷 / 13期
关键词：
PHOTOINDUCED ELECTRON-TRANSFER; SOLAR-ENERGY CONVERSION; CHARGE-SEPARATED STATE; FULLERENE; PHTHALOCYANINE; NANOHYBRIDS; EFFICIENT; HETEROJUNCTION; EXCITATION; DYADS;
D O I：
10.1016/j.carbon.2012.06.018
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：
The ferrocene-porphyrin-single-walled carbon nanotube (Fc-H2P-SWCNT) triad hybrid was prepared by amidation reaction between carboxylated SWCNT and aminoporphyrin bearing an appended ferrocenyl substituent. The hybrid described here was fully characterized by a combination of analytical techniques such as Fourier transform infrared spectroscopy, Raman, absorption and emission spectroscopy, atomic force and scanning electron microscopy, thermogravimetric analysis, and X-ray photoelectron spectroscopy. The steady emission characteristics revealed the existence of the effective photoinduced electron transfer among ferrocene, excited porphyrin moiety and SWCNT, which was further confirmed by the results of time-resolved transient absorption spectra. The final lifetime of charge-separation state was observed to be 62.9 mu s in N,N-dimethylformamide, which was significant increased compared to the reference nanohybrid porphyrin-SWCNT and the reported ferrocene-porphyrin-fullerene triad. Therefore, Fc-H2P-SWCNT triad hybrid constructed by amidation is rationally expected to be an improved photon-to-electron conversion system. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码：4894 / 4902
页数：9
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