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Photovoltaic Properties of Fullerene (C60) Thin films

Published online by Cambridge University Press:  10 February 2011

E. A. Katz
Affiliation:
National Solar Energy Center, Ben-Gurion University of the Negev, Sede Boker Campus, 84990 ISRAEL, keugene@bgumail.bgu.ac.il
D. Faiman
Affiliation:
National Solar Energy Center, Ben-Gurion University of the Negev, Sede Boker Campus, 84990 ISRAEL, keugene@bgumail.bgu.ac.il
S. Goren
Affiliation:
Department of Physics, Ben-Gurion University of the Negev, Beersheba, 84105 ISRAEL
S. Shtutina
Affiliation:
Department of Physics, Ben-Gurion University of the Negev, Beersheba, 84105 ISRAEL
A. Shames
Affiliation:
Department of Physics, Ben-Gurion University of the Negev, Beersheba, 84105 ISRAEL
B. Mishori
Affiliation:
Department of Physical Electronics, Tel-Aviv University, Ramat-Aviv, 69978 ISRAEL
Yoram Shapira
Affiliation:
Department of Physical Electronics, Tel-Aviv University, Ramat-Aviv, 69978 ISRAEL
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Abstract

The crystalline structure, Electron Paramagnetic Resonance and Surface Photovoltage (SPV) spectra of C60 thin films and the photovoltaic properties of C60/Ag and C60/Si interfaces are reported. The SPV spectra of C60 films, C60/Ag and C60/Si interfaces are presented and analyzed on the basis of a model of C60 film electron structure including mobility gap, band tails extending into the gap and two deep level states in the gap. I-V characteristics of the C60/Ag and the C60/P-Si interfaces were measured. Both device structures are shown to exhibit rectifying behavior in the dark and photovoltaic properties. The solar cell parameters are presented.

Type
Research Article
Copyright
Copyright © Materials Research Society 1998

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