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ISSN: 1546-9239 (Print)
ISSN: 1554-3641 (Online)
Research Article Open Access

EFFECT OF AMBIENT AIR CONDITIONS ON LOW FREQUENCY NEGATIVE CAPACITANCE OF NC-TIO2/P3HT HETEROJUNCTION SOLAR CELLS

H. Al-Dmour1
  • 1 Department of Physics, Faculty of Science, Mu’tah University, Mu’tah, Jordan

Abstract

We report the negative capacitance of nanocrystalline titanium dioxide/poly (3-hexyl thiophene), nc-TiO2/P3HT, heterojunction solar cells. In air, low frequency negative capacitance has been observed under forward bias associated with high values of conductance. Interestingly, the negative capacitance disappear when the device was placed in vacuum chamber. These results are attributed to affect the ambient conditions on the charge carrier concentration in materials used to fabricated solar cells and increase the bulk region resistance.

American Journal of Applied Sciences
Volume 11 No. 8, 2014, 1351-1356

DOI: https://doi.org/10.3844/ajassp.2014.1351.1356

Submitted On: 26 February 2014 Published On: 28 May 2014

How to Cite: Al-Dmour, H. (2014). EFFECT OF AMBIENT AIR CONDITIONS ON LOW FREQUENCY NEGATIVE CAPACITANCE OF NC-TIO2/P3HT HETEROJUNCTION SOLAR CELLS. American Journal of Applied Sciences, 11(8), 1351-1356. https://doi.org/10.3844/ajassp.2014.1351.1356

Open AccessCopyright: © 2014 H. Al-Dmour. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Keywords

  • Solar Cells
  • Admittance Techniques
  • Bulk Heterojunction
  • Ambient Conditions