TEMPERATURE-DEPENDENT ELECTRICAL CHARACTERISTICS OF AL-SIOX-PSI SOLAR-CELLS


OZDEMIR S., ALTINDAL S.

SOLAR ENERGY MATERIALS AND SOLAR CELLS, cilt.32, ss.115-127, 1994 (SCI İndekslerine Giren Dergi) identifier identifier

  • Cilt numarası: 32 Konu: 2
  • Basım Tarihi: 1994
  • Doi Numarası: 10.1016/0927-0248(94)90297-6
  • Dergi Adı: SOLAR ENERGY MATERIALS AND SOLAR CELLS
  • Sayfa Sayıları: ss.115-127

Özet

Current-voltage (I-V) and capacitance-voltage (C-V) characteristics of Al-SiOx-pSi metal-insulator-semiconductor (MIS) solar cells were measured in the temperature range between 295 K and 375 K. The semilogarithmic plot of the dark forward current-voltage curves were found to be linear and the slope was almost independent of temperature in the intermediate voltage region. Consequently, the diode quality factor was strongly temperature dependent changing linearly with inverse temperature. A decrease in the zero-bias silicon band bending with increasing temperature found from the C-V characteristics was larger than the calculated values of the corresponding changes in the bulk fermi level and the silicon band gap. Analysis of the data indicated that predominant carrier transport mechanism of the solar cells in the intermediate bias voltage region investigated in this work was multistep tunnelling rather than the usual process of diffusion.