Paper Title:
Effect of C60 on the Photovoltaic Properties of Polypyrrole-C60 Heterojunctions
  Abstract

We report here a series of polypyrrole/C60-H3PO4 two-layer photovoltaic cells fabricated by varying the C60 ratio with regard to polypyrrole. It is found that a slight amount of C60 can remarkably improve photovoltaic properties by four orders of magnitude; with C60 ratio the open-circuit voltage and short-circuit current increase, and at higher C60 ratio the photovoltaic working threshold is lowered too, the cell can even work efficiently in dark, more approaching the efficiency under strong illumination. The optimized device yields 1.2 V open-circuit voltage and 14 μA/cm2 short-circuit current, and a power conversion efficiency 0.01%. Our results show that polypyrrole is a potentially good material for photovoltaic cells. The effect of C60 in combination with polypyrrole is discussed.

  Info
Periodical
Materials Science Forum (Volumes 663-665)
Edited by
Yuan Ming Huang
Pages
828-831
DOI
10.4028/www.scientific.net/MSF.663-665.828
Citation
F. F. Zhou, Q. L. Ma, Z. R. She, Y. M. Huang, C. X. Pan, "Effect of C60 on the Photovoltaic Properties of Polypyrrole-C60 Heterojunctions", Materials Science Forum, Vols. 663-665, pp. 828-831, 2011
Online since
November 2010
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