Highly efficient I2-free solid-state dye-sensitized solar cells fabricated with polymerized ionic liquid and graft copolymer-directed mesoporous film

Won Seok Chi, Jong Kwan Koh, Sung Hoon Ahn, Jong Shik Shin, Hyungju Ahn, Du Yeol Ryu, Jong Hak Kim

Research output: Contribution to journalArticlepeer-review

56 Citations (Scopus)

Abstract

A polymerized ionic liquid of poly((1-(4-ethenylphenyl)methyl)-3-butyl- imidazolium iodide) was synthesized and employed as a solid electrolyte for I2-free solid-state dye-sensitized solar cells. The electrode/electrolyte interfaces were significantly improved using a graft copolymer-directed, organized mesoporous TiO2 thin film. The conversion efficiency reached 5.93% at 100 mW/cm2, one of the highest observed values, due to decreased interfacial resistance and enhanced electron lifetime.

Original languageEnglish
Pages (from-to)1349-1352
Number of pages4
JournalElectrochemistry Communications
Volume13
Issue number12
DOIs
Publication statusPublished - 2011 Dec

Bibliographical note

Funding Information:
This work was supported by the National Research Foundation (NRF) grant funded by the Korea government (MEST) through the Korea Center for Artificial Photosynthesis (KCAP) ( NRF-2009-C1AAA001-2009-0093879 ) and the Advanced Biomass R&D Center (ABC) ( ABC-2010-0029737 ). This work was also supported by the Low Observable Technology Research Center program of Defense Acquisition Program Administration and Agency for Defense Development .

All Science Journal Classification (ASJC) codes

  • Electrochemistry

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