Fe doped TiO2 thin film as electron selective layer for inverted solar cells

Kosemen A., Kosemen Z. A., Canimkubey B., Erkovan M., Basarir F., San S. E., ...More

SOLAR ENERGY, vol.132, pp.511-517, 2016 (SCI-Expanded) identifier identifier

  • Publication Type: Article / Article
  • Volume: 132
  • Publication Date: 2016
  • Doi Number: 10.1016/j.solener.2016.03.049
  • Journal Name: SOLAR ENERGY
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Page Numbers: pp.511-517
  • Keywords: Inverted type solar cells, TiO2 thin film, Fe doped TiO2 thin film, Doped metal oxide semiconductors, TITANIUM-OXIDE, DEGRADATION, EFFICIENCY
  • Kocaeli University Affiliated: No


Inverted P3HT:PCBM based organic solar cells were fabricated by using Fe2+ doped TiO2 films as electron selective layer. Pure and Fe2+ doped TiO2 films were prepared by sol gel method and the optical as well as the structural properties of the thin films were characterized by UV-Vis spectrophotometer and SEM. The concentration of Fe2+ was varied as 0.5%, 1%, 2% and 3% (w/w) in TiO2 layer and the influence of Fe2+ doping on the solar cell parameters were systemically investigated. Photocurrent density of the solar cells as increased from 8.75 to 13.8 mA/cm(2), whereas the solar cell efficiency changed from 1.7% to 2.79% by using Fe2+ doped TiO2 electron selective layer. It was experimentally found and demonstrated that charge injection and selection in the TiO2 interlayer was improved by doping of Fe2+ atoms in the TiO2. (C) 2016 Elsevier Ltd. All rights reserved.