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Proceedings Paper

Effect of solvents on the performance of P3HT:PCBM solar cells
Author(s): Weimin Li; Jinchuan Guo; Xiuquan Sun; Bin Zhou
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Paper Abstract

Investigating the effects of solvents on the performance of poly(3-hexylthiophene-2,5-diy1) (P3HT):C61-butyric acid methyl ester (PCBM) bulk heterojunction solar cells, we found the short current density (Jsc), fill factor(FF),and power conversion efficiency (η) of a cell with a photo-active layer made using materials dissolved in a higher boiling point solvent to be higher than those of a cell made using the same materials dissolved in a low boiling point solvent. Evaluating the surface morphology, charge mobility, and current-voltage curve of cells made using different solvents, we concluded that the polymer films using a higher boiling point solvent had longtime to self-organize, got a higher degree of crystalline, led to lower device series resistance, thereby increased the short current density (Jsc), fill factor(FF),and power conversion efficiency (η) of the photovoltaic devices.

Paper Details

Date Published: 16 October 2010
PDF: 6 pages
Proc. SPIE 7847, Optoelectronic Devices and Integration III, 784709 (16 October 2010); doi: 10.1117/12.868374
Show Author Affiliations
Weimin Li, Shenzhen Univ. (China)
Jinchuan Guo, Shenzhen Univ. (China)
Xiuquan Sun, Shenzhen Univ. (China)
Bin Zhou, Shenzhen Univ. (China)


Published in SPIE Proceedings Vol. 7847:
Optoelectronic Devices and Integration III
Xuping Zhang; Hai Ming; Alan Xiaolong Wang, Editor(s)

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