Application of micro-porous polycarbonate membranes in dye-sensitized solar cells: Cell performance and long-term stability

Shingjiang Jessie Lue, Pei Wen Lo, Ling Yung Hung, Yung Liang Tung

研究成果: 期刊稿件文章同行評審

15 引文 斯高帕斯(Scopus)

摘要

This research investigates the cell performance and long-term stability of dye-sensitized solar cells (DSSCs) containing micro-porous polycarbonate (PC) film as the frame work material to stabilize the electrolyte solution. The track-etched PC film has cylindrical pore geometry, which is beneficial for ion transport in the electrolyte trapped inside the PC film. The photovoltaic efficiency of the DSSC with 0.2-μm PC membrane is 5.75 ± 0.73% under irradiation of 100 mW cm-2, which is slightly lower than that (6.34 ± 0.44%) of cells without PC film. The differences in fill factor and open-circuit voltage between the DSSCs with and without PC film are not statistically significant. The long-term cell performance is carried out at continuous illumination of 100 mW cm-2 (1 sun) and in darkness at 60 °C for up to 1000 h. There is no significant efficiency difference between the cells with and without PC film in light soaking (4.33% vs. 4.52%) for 960 h. In darkness, however, the cells with PC film demonstrate much higher efficiency (at 2.37%) than cells without PC (0.85%) after 1000 h. The improved long-term efficiency data and the higher percentage of working cells confirm the superior lifetime and performance using the micro-porous PC film.

原文英語
頁(從 - 到)7677-7683
頁數7
期刊Journal of Power Sources
195
發行號22
DOIs
出版狀態已出版 - 15 11 2010

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