Abstract
The present work develops a new type of solvent-free copolymer electrolyte based on polysiloxane for dye-sensitized solar cells (DSSCs). The electrolyte is characterized by conductivity measurements, hydrogen-1 nuclear magnetic resonance spectroscopy, rheology, and DSSC performance. Repeated units of the ethylene oxide on methylhydrosiloxane show plasticizing effects and enhanced durability of the DSSCs. DSSC employing the polysiloxane electrolytes show no energy conversion efficiency decay after 16 days test at room temperature and yields a conversion efficiency of 1.5% during long-term stability measurement at 90 °C under white light irradiation of 100 mW cm−2. The new solvent-free polysiloxane copolymer electrolyte can be good candidate for next generation DSSC.
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Acknowledgment
The authors are grateful for financial support of this research from the National Science Council of Taiwan, ROC under Grant NSC 100-2923-E-011-001-MY3 and technical assistance from the Sustainable Energy Center at the National Taiwan University of Science and Technology, and the Photovoltaics Technology Center of Industrial Technology Research Institute are gratefully acknowledged.
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Wang, FM., Chu, CH., Tung, YL. et al. Synthesis of copolymer electrolytes based on polysiloxane and their high temperature durability analysis for solvent-free dye-sensitized solar cells. J Solid State Electrochem 16, 649–656 (2012). https://doi.org/10.1007/s10008-011-1404-x
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DOI: https://doi.org/10.1007/s10008-011-1404-x