Efficient Hybrid Photovoltaic Devices Based on in-situ Electrochemical Copolymerization of 3-Methylthiophene and Bithiophene into Pores of Nanocrystalline TiO2

doi:10.1007/s40242-013-3116-5

高等学校化学研究 ›› 2013, Vol. 29 ›› Issue (6): 1208-1213.doi: 10.1007/s40242-013-3116-5

Efficient Hybrid Photovoltaic Devices Based on in-situ Electrochemical Copolymerization of 3-Methylthiophene and Bithiophene into Pores of Nanocrystalline TiO₂

LU Sheng-li^1,2, GENG Rui^1,3

1. Institute for Organic Photovoltaic Materials and Devices, School of Biological and Chemical Engineering, Hangzhou 310023, P. R. China;
2. Department of Energy and Environmental System Engineering, School of Light Industry, Zhejiang University of Science and Technology, Hangzhou 310023, P. R. China;
3. College of Chemical Engineering and Materials Science, Zhejiang University of Technology, Hangzhou 310014, P. R. China

收稿日期:2013-03-13 修回日期:2013-10-17 出版日期:2013-12-01 发布日期:2013-10-23
通讯作者: LU Sheng-li E-mail:luvictory@hotmail.com
基金资助:
Supported by the National Natural Science Foundation of China(No.20804038).

Efficient Hybrid Photovoltaic Devices Based on in-situ Electrochemical Copolymerization of 3-Methylthiophene and Bithiophene into Pores of Nanocrystalline TiO₂

LU Sheng-li^1,2, GENG Rui^1,3

1. Institute for Organic Photovoltaic Materials and Devices, School of Biological and Chemical Engineering, Hangzhou 310023, P. R. China;
2. Department of Energy and Environmental System Engineering, School of Light Industry, Zhejiang University of Science and Technology, Hangzhou 310023, P. R. China;
3. College of Chemical Engineering and Materials Science, Zhejiang University of Technology, Hangzhou 310014, P. R. China

Received:2013-03-13 Revised:2013-10-17 Online:2013-12-01 Published:2013-10-23
Contact: LU Sheng-li E-mail:luvictory@hotmail.com
Supported by:
Supported by the National Natural Science Foundation of China(No.20804038).

摘要/Abstract

摘要：

Novel organic and inorganic hybrid photovoltaic devices were fabricated by in-situ electrochemical copolymerization of 3-methylthiophene(3MT) and bithiophene(BT) into the pores of nanostructured TiO₂sintered on fluorine-doped tin oxide(FTO) substrate. The photoactive layer was investigated by Fourier transform infrared(FTIR) spectroscopy, ultraviolet-visable(UV-Vis) spectrometer, scanning electron microscope(SEM) and cyclic voltammogram characterization. Device efficiency based on different molar feed ratios of 3MT and BT during electrochemical polymerization, and the effect of in-situ copolymer state(doped by electrolyte and de-doped) were measured and compared. Under the solar illumination of 100 mW/cm²(AM1.5), an optimized device efficiency of 0.938% was obtained when the molar ratio of 3MT to BT was 500:1, polymerization time was 500 s and the system was in doped copolymer state, respectively. The mechanism of overall photovoltaic parameter improvement was discussed.

关键词: In-situ electrochemical polymerization, Hybrid photovoltaic device, Photovoltaic characterization

Abstract:

Key words: In-situ electrochemical polymerization, Hybrid photovoltaic device, Photovoltaic characterization

LU Sheng-li, GENG Rui. Efficient Hybrid Photovoltaic Devices Based on in-situ Electrochemical Copolymerization of 3-Methylthiophene and Bithiophene into Pores of Nanocrystalline TiO₂[J]. 高等学校化学研究, 2013, 29(6): 1208-1213.

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Efficient Hybrid Photovoltaic Devices Based on in-situ Electrochemical Copolymerization of 3-Methylthiophene and Bithiophene into Pores of Nanocrystalline TiO₂

Efficient Hybrid Photovoltaic Devices Based on in-situ Electrochemical Copolymerization of 3-Methylthiophene and Bithiophene into Pores of Nanocrystalline TiO₂

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