Flexible solar cells based on PCBM/P3HT heterojunction

doi:10.1007/s12200-011-0203-4

Front Optoelec Chin

2011, Vol. 4

Issue (1) : 108-113 https://doi.org/10.1007/s12200-011-0203-4

RESEARCH ARTICLE

Flexible solar cells based on PCBM/P3HT heterojunction

Gentian YUE, Jihuai WU(

), Yaoming XIAO, Jianming LIN, Miaoliang HUANG

Engineering Research Center of Environment-Friendly Functional Materials, Ministry of Education, Institute of Materials Physical Chemistry, Huaqiao University, Quanzhou 362021, China

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Abstract

[6,6]-phenyl-C₆₁-butyric acid methyl ester (PCBM) / poly (3-hexylthiophene) (P3HT) heterojunction has not only the absorption in ultraviolet light for PCBM, but also the absorption in visible light for P3HT, which widens the incident light harvest range, improving the photoelectrical response of hybrid solar cell effectively. Using conducting polymers blend heterojunction consisting of C₆₀ derivatives PCBM and P3HT as charge carrier transferring medium to replaceI3-/I- redox electrolyte and dye, a novel flexible solar cell was fabricated in this study. The influence of PCBM/P3HT mass ratio on the photovoltaic performance of the solar cell was also studied. Under a simulated solar irradiation of 100 mW·cm^-2, the flexible solar cell achieved a light-to-electric energy conversion efficiency of 1.04%, an open circuit voltage of 0.86 V, short circuit current density of 2.6 mA·cm^-2 and fill factor (FF) of 0.46.

Keywords flexible solar cell heterojunction [6,6]-phenyl-C₆₁-butyric acid methyl ester (PCBM) poly (3-hexylthiophene) (P3HT)

Corresponding Author(s): WU Jihuai,Email:jhwu@hqu.edu.cn

Issue Date: 05 March 2011

Cite this article:

Jianming LIN,Miaoliang HUANG,Gentian YUE, et al. Flexible solar cells based on PCBM/P3HT heterojunction[J]. Front Optoelec Chin, 2011, 4(1): 108-113.

URL:

https://academic.hep.com.cn/foe/EN/10.1007/s12200-011-0203-4
https://academic.hep.com.cn/foe/EN/Y2011/V4/I1/108

Fig.1 UV-Vis absorption spectra of PCBM, P3HT, and PCBM/P3HT hybrid

Fig.2 PL spectra excited at 430 nm. (a) PCBM, P3HT and PCBM/P3HT; (b) PCBM/P3HT with different ratios

Fig.3 IPCE of solar cells with PCBM, P3HT and PCBM/P3HT

Fig.4 - curves for solar cells with different PCBM/P3HT ratios

Tab.1 Influence of PCBM/P3HT ratios on photoelectric properties of solar cells

Tab.2 Influence of substrate and dye on photovoltaic properties of solar cells

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