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Updated: Apr 1, 2026
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Published on: March 2, 2021
Excellent optical and interfacial performance of a PEDOT-b-PEG block copolymer counter electrode for polymer
Tea-Yon Kim1, Wei Wei1, Woohyung Cho1
1Department of Energy Engineering and Center for Next-Generation Dye-Sensitized Solar Cells, Hanyang University, Seoul 133-791, Korea. kangys@hanyang.ac.kr.
Abstract:
A poly(3,4-ethylenedioxythiophene)-b-poly(ethylene glycol) (PEDOT-b-PEG) block copolymer doped with perchlorate on FTO shows excellent optical and interfacial performance as a counter electrode (CE), such as low charge transfer resistance and low reflectivity for polymer electrolyte-based solid-state dye-sensitized solar cells (DSCs), resulting in 8.45% energy conversion efficiency, greater than the common Pt CE, via a facile room-temperature process.
