Hybrid TiO 2 Solar Cells Produced from Aerosolized Nanoparticles of Water-Soluble Polythiophene Electron Donor Layer

  • Sweet M
  • Clarke J
  • Pestov D
  • et al.
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Abstract

Hybrid solar cells (HSCs) with water soluble polythiophene sodium poly[2-(3-thienyl)-ethyloxy-4-butylsulfonate] (PTEBS) thin films produced using electrospray deposition (ESD) were fabricated, tested, and modeled and compared to devices produced using conventional spin coating. A single device structure of FTO/TiO 2 /PTEBS/Au was used to study the effects of ESD of the PTEBS layer on device performance. ESD was found to increase the short circuit current density ( J sc ) by a factor of 2 while decreasing the open circuit voltage ( V oc ) by half compared to spin coated PTEBS films. Comparable efficiencies of 0.009% were achieved from both device construction types. Current-voltage curves were modeled using the characteristic solar cell equation and showed a similar increase in generated photocurrent with an increase by two orders of magnitude in the saturation current in devices from ESD films. Increases in J sc are attributed to an increase in the interfacial contact area between the TiO 2 and PTEBS layers, while decreases in V oc are attributed to incomplete film formation from ESD.

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APA

Sweet, M. L., Clarke, J. G., Pestov, D., Tepper, G. C., & McLeskey, J. T. (2014). Hybrid TiO  2  Solar Cells Produced from Aerosolized Nanoparticles of Water-Soluble Polythiophene Electron Donor Layer . Journal of Solar Energy, 2014, 1–7. https://doi.org/10.1155/2014/192812

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