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Spin-coated P3HT:Aminated carbon microsphere composite films for polymer solar cells

Published online by Cambridge University Press:  13 February 2014

Yong Li*
Affiliation:
Key Laboratory of Interface Science and Engineering in Advanced Materials, Ministry of Education, Taiyuan University of Technology, Taiyuan 030024, China; and College of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, China
Lingpeng Yan
Affiliation:
Key Laboratory of Interface Science and Engineering in Advanced Materials, Ministry of Education, Taiyuan University of Technology, Taiyuan 030024, China; and College of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, China
Yongzhen Yang*
Affiliation:
Key Laboratory of Interface Science and Engineering in Advanced Materials, Ministry of Education, Taiyuan University of Technology, Taiyuan 030024, China; and Research Center of Advanced Materials Science and Technology, Taiyuan University of Technology, Taiyuan 030024, China
Xuguang Liu*
Affiliation:
Key Laboratory of Interface Science and Engineering in Advanced Materials, Ministry of Education, Taiyuan University of Technology, Taiyuan 030024, China; and College of Chemistry and Chemical Engineering, Taiyuan University of Technology, Taiyuan 030024, China
Bingshe Xu*
Affiliation:
Key Laboratory of Interface Science and Engineering in Advanced Materials, Ministry of Education, Taiyuan University of Technology, Taiyuan 030024, China; and Research Center of Advanced Materials Science and Technology, Taiyuan University of Technology, Taiyuan 030024, China
*
a)Address all correspondence to these authors. e-mail: [email protected]
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Abstract

Poly (3-hexylthiophene) (P3HT) and aminated carbon microsphere (A-CMS) composite films with donor–acceptor architecture were prepared by spin-coating method, and the photovoltaic (PV) devices with a structure of ITO/PEDOT:PSS/P3HT:A-CMSs/Al were also fabricated. The structure and morphology of films were characterized by x-ray diffraction, Fourier transformation infrared spectrometry, ultraviolet-visible spectrophotometry, fluorescent spectrometry, and atomic force microscopy. The results indicate that A-CMSs exhibited a high LUMO energy level of −3.65 eV. The optimized blending ratio of P3HT:A-CMSs was 1:1. After annealing treatment, the intensity of absorption and the crystallization degree of the P3HT:A-CMS composite films enhanced. The polymer solar cells (PSCs) based on P3HT:A-CMS composite films showed a power conversion efficiency of 0.027% with an open circuit voltage of 0.80 V. It is suggested that A-CMS is a promising acceptor for PSCs. This would lay an experimental and theoretical foundation for the design of new acceptors for PV application.

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Articles
Copyright
Copyright © Materials Research Society 2014 

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References

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