Tin Oxide Light-Scattering Layer for Titania Photoanodes in Dye-Sensitized Solar Cells

Munkhbayar Batmunkh, Mahnaz Dadkhah, Cameron J. Shearer, Mark J. Biggs, Joseph G. Shapter

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)

Abstract

High-performance dye-sensitized solar cell (DSSC) devices rely on photoanodes that possess excellent light-harvesting capabilities and high surface areas for sufficient dye adsorption. In this work, morphologically controlled SnO2 microstructures were synthesized and used as an efficient light-backscattering layer on top of a nanocrystalline TiO2 layer to prepare a double-layered photoanode. By optimizing the thickness of both the TiO2 bottom layer and the SnO2 top layer, a high power conversion efficiency (PCE) of 7.8 % was achieved, an enhancement of approximately 38 % in the efficiency compared with that of a nanocrystalline TiO2-only photoanode (5.6 %). We attribute this efficiency improvement to the superior light-backscattering capability of the SnO2 microstructures.

Original languageEnglish
Pages (from-to)959-966
Number of pages8
JournalEnergy Technology
Volume4
Issue number8
Early online date21 Mar 2016
DOIs
Publication statusPublished - Aug 2016

Keywords

  • dye-sensitized solar cells
  • energy transfer
  • photochemistry
  • tin
  • titanium

ASJC Scopus subject areas

  • Energy(all)

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