Synthesis of copolymer electrolytes based on polysiloxane and their high temperature durability analysis for solvent-free dye-sensitized solar cells |
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| Authors: | Fu-Ming Wang Chia-Hsien Chu Yung-Liang Tung Bing-Joe Hwang Yung-Yun Wang Chi-Chao Wan Raman Santhanam |
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| Institution: | (1) Nanoelectrochemistry Laboratory, Graduate Institute of Engineering, National Taiwan University of Science and Technology, Taipei, Taiwan;(2) Sustainable Energy Center, National Taiwan University of Science and Technology, 43 Keelung Road, Section 4, Taipei, 106, Taiwan;(3) Department of Chemical Engineering, National Tsing Hua University, Hsinchu, Taiwan;(4) Photovoltaics Technology Center, Industrial Technology Research Institute, Chutung, Hsinchu, Taiwan;(5) Nanoelectrochemistry Laboratory, Department of Chemical Engineering, National Taiwan University of Science and Technology, Taipei, Taiwan;(6) Maxwell Technologies, San Diego, CA, USA |
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| 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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