Environmentally friendly LiI/ethanol based gel electrolyte for dye-sensitized solar cells

  • Hongli An
  • , Bofei Xue
  • , Dongmei Li
  • , Hong Li
  • , Qingbo Meng*
  • , Lin Guo
  • , Liquan Chen
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

An environmentally friendly LiI/ethanol/SiO2 based gel electrolyte was synthesized by adding SiO2 nanoparticles into optimized LiI/ethanol based liquid electrolyte and used in quasi-solid-state dye-sensitized solar cells (DSSC), an energy conversion efficiency of 6.1% has been achieved at AM 1.5 simulated sunlight (91.3 mW cm-2). It was revealed that this gel electrolyte afforded almost identical energy conversion efficiency of DSSC to the corresponding liquid electrolyte. This promising gel electrolyte will enable the fabrication of environmentally friendly quasi-solid-state DSSC free of solvent evaporation and leakage.

Original languageEnglish
Pages (from-to)170-172
Number of pages3
JournalElectrochemistry Communications
Volume8
Issue number1
DOIs
StatePublished - Jan 2006

Keywords

  • DSSC
  • Environmentally friendly
  • Gel electrolyte
  • LiI/ethanol
  • Quasi-solid-state

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