Frontiers of Optoelectronics, 2012, 5 (2): 224, 网络出版: 2013-02-23  

Preparation of titanium dioxide-double-walled carbon nanotubes and its application in flexible dye-sensitized solar cells

Preparation of titanium dioxide-double-walled carbon nanotubes and its application in flexible dye-sensitized solar cells
作者单位
1 Engineering Research Center of Environment-Friendly Functional Materials, Ministry of Education
2 Institute of Materials Physical Chemistry, Huaqiao University, Quanzhou 362021, China
摘要
Abstract
Titanium dioxide-double-walled carbon nanotubes (TiO2-DWCNTs) with DWCNTs/TiO2 of 20 wt.% is prepared by a conventional sol-gel method. Doping the TiO2-DWCNTs in TiO2 photoanode, a flexible dyesensitized solar cell (DSSC) is fabricated. The sample is characterized by scanning electron microscopy, X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR) absorption, ultraviolet-visible spectroscopy (UVvis) absorption spectra,electrochemical impedance spectroscopy (EIS) technique and photovoltaic measurement. It is found that adding a certain amount of TiO2-DWCNTs can efficiently decrease the resistance of charge transport, improve dye adsorption. Under an optimal condition, a flexible DSSC contained with 0.50 wt.% TiO2-DWCNTs achieves a light-to-electric energy conversion efficiency of 3.89% under a simulate solar light irradiation of 100mW.cm-2.
参考文献

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Cunxi CHENG, Jihuai WU, Yaoming XIAO, Yuan CHEN, Haijun YU, Ziying TANG, Jianming LIN, Miaoliang HUANG. Preparation of titanium dioxide-double-walled carbon nanotubes and its application in flexible dye-sensitized solar cells[J]. Frontiers of Optoelectronics, 2012, 5(2): 224. Cunxi CHENG, Jihuai WU, Yaoming XIAO, Yuan CHEN, Haijun YU, Ziying TANG, Jianming LIN, Miaoliang HUANG. Preparation of titanium dioxide-double-walled carbon nanotubes and its application in flexible dye-sensitized solar cells[J]. Frontiers of Optoelectronics, 2012, 5(2): 224.

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