In situ synthesis and integration of polymer electrolytes in nanostructured electrodes for photovoltaic applications

Siamak Nejati, Kenneth K.S. Lau

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Scopus citations

Abstract

The conventional dye sensitized solar cell (DSSC) is limited by the use of a liquid electrolyte that is prone to leakage and evaporation. Efforts to replace the liquid with a solid equivalent have been met with difficulties in penetrating the mesoporous TiCh nanostructured photoanode with liquid processing, particularly for photoanode layer thickness greater than 2 μm. Here, initiated chemical vapor deposition (iCVD) is successfully applied to directly synthesize and fill the pores of the mesoporous TiO2 network of up to 12 μm thickness with poly(2-hydroxyethyl memacrylate) (PHEMA) polymer electrolyte. Comparing with equivalent liquid electrolyte cells, DSSCs integrated with PHEMA polymer electrolyte showed consistently higher open circuit voltage, which is attributed to a decrease in electron recombination with the redox couple at the electrode-electrolyte interface.

Original languageEnglish (US)
Title of host publicationPolymer-Based Materials and Composites - Synthesis, Assembly, Properties and Applications
Pages287-292
Number of pages6
DOIs
StatePublished - 2011
Event2010 MRS Fall Meeting - Boston, MA, United States
Duration: Nov 29 2010Dec 3 2010

Publication series

NameMaterials Research Society Symposium Proceedings
Volume1312
ISSN (Print)0272-9172

Conference

Conference2010 MRS Fall Meeting
CountryUnited States
CityBoston, MA
Period11/29/1012/3/10

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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