Journal
ELECTROCHIMICA ACTA
Volume 55, Issue 17, Pages 4883-4888Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.electacta.2010.03.081
Keywords
Poly(glycidyl acrylate); Polypyrrole; Gel-electrolyte; Dye-sensitized solar cell; Two-step solution polymerization
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Funding
- National High Technology Research and Development Program of China [2009AA03Z217]
- National Natural Science Foundation of China [90922028, 50842027]
- Specialized Research Fund for the Doctoral Program of Chinese Higher Education [20060385001]
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A microporous hybrid of poly(glycidyl acrylate)-polypyrrole (PGA-PPy) was synthesized by a two-step solution polymerization. Using this hybrid as polymer host, a gel-electrolyte with high conductivity of 12.83 mS cm(-1) was prepared. The researches by scanning electron microscopy (SEM), Fourier transform infrared spectra (FTIR), and cyclic voltammetry (CV) show that the microporous structure and functional groups for PGA allows the higher absorbency and good ionic salt tolerance for the electrolyte, the introduction of PPy causes a lower charge-transfer resistance and higher electrocatalytic activity for the I-3(-)/l(-) redox reaction for the electrolyte. Based on the electrolyte, a dye-sensitized solar cell with a light-to-electrical energy conversion efficiency of 5.03% is achieved, under illumination with a simulated solar light of 100 mW cm(-2) (AM 1.5). (C) 2010 Elsevier Ltd. All rights reserved.
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