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Electrical characterization of p-Si/fullerene-C60 heterojunction photodiode

F. YAKUPHANOGLU1,2,* , W. A. FAROOQ2

Affiliation

  1. Department of Physics, Faculty of Science, Firat University, Elazig, Turkey
  2. Department of Physics and Astronomy, College of Science, King Saud University, Riyadh, Kingdom of Saudi Arabia Photovoltaic

Abstract

Photovoltaic and electronic properties of p-Si/C60 device have been investigated by current-voltage and capacitance-voltage methods. The ideality factor n and barrier height B values of the p-n junction were found to be 2.92 and 0.83 eV respectively. Current-voltage characteristic of the device indicates a non-ideal behavior due to ideality factor higher than unity. Capacitance-voltage characteristic of the device indicate an abrupt junction behavior. Electrical characterization results confirms that p-Si/C60 device is an photodiode with the calculated electronic parameters, maximum open circuit voltage Voc of 150 mV and short-circuit current Isc of 12.1 nA..

Keywords

Photodiode, Organic semiconductor, Fullerene-C60.

Citation

F. YAKUPHANOGLU, W. A. FAROOQ, Electrical characterization of p-Si/fullerene-C60 heterojunction photodiode, Optoelectronics and Advanced Materials - Rapid Communications, 5, 2, February 2011, pp.153-156 (2011).

Submitted at: Jan. 24, 2011

Accepted at: Feb. 17, 2011