Perylene derivative sensitized multi-walled carbon nanotube thin film

被引:57
作者
Feng, W [1 ]
Fujii, A
Ozaki, M
Yoshino, K
机构
[1] Tianjin Univ, Sch Mat Sci & Engn, Dept Polymer Mat Sci & Engn, Tianjin 300072, Peoples R China
[2] Osaka Univ, Grad Sch Engn, Dept Elect Engn, Suita, Osaka 5650871, Japan
基金
中国国家自然科学基金;
关键词
carbon nanotubes; transmission electron microscopy; luminescence; optical properties; photoconductivity;
D O I
10.1016/j.carbon.2005.05.014
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
Perylene-sensitized multi-walled carbon nanotubes (PV-MWNT) have been prepared by a pi-stacking between nanotubes and perylene derivatives, N,N'-diphenyl glyoxaline-3,4,9,10-perylene tetracarboxylic acid diacidamide (PV). The resultant nanocomposites have been characterized by transmission electron microscope (TEM), UV-vis absorption, photoluminescence (PL) and photocurrent spectra. Long range ordering can be observed in the form of PV-MWNT via pi-stacking by TEM. Red-shift in the optical spectra consisting of the UV-vis absorption and PL spectra with the attraction of PV on the surface of the MWNTs were observed. The evident quenching in PL spectra of PV-MWNT was ascribed to the absorption and transfer of recombination energy by MWNT. Photosensitivity spectra demonstrated an increasing photocurrent in the ultraviolet region and a broadening photosensitivity in the red spectral region for solar cells based on PV-MWNT. (C) 2005 Elsevier Ltd. All rights reserved.
引用
收藏
页码:2501 / 2507
页数:7
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