Approaches to gel electrolytes in dye-sensitized solar cells using pyridinium molten salts

doi:10.1039/C0JM00485E

Chia Nan University of Pharmacy & Science Institutional Repository > 藥理學院 > 化妝品應用與管理系(所) > 期刊論文 > Item 310902800/25138

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標題:	Approaches to gel electrolytes in dye-sensitized solar cells using pyridinium molten salts
作者:	Cheng-Hsien Yang Wen-Yueh Ho Hao-Hsun Yang Mao-Lin Hsueh
貢獻者:	化粧品應用與管理系
日期:	2010-04
上傳時間:	2012-03-29 13:45:54 (UTC+8)
出版者:	Royal Soc Chemistry
摘要:	Imidazolium iodide ionic liquids have a relatively high viscosity, and, as consequence, mass-transport limitation problems restrict their use as solvents for electrolytes. In this study, a series of 1-alkyl-3-carboxypyridinium iodide molten salts, [ACP][I], was used as a gel electrolyte for dye-sensitized solar cells (DSSCs). Without addition of any nano-particles, small molecules, oligomers or polymer plasticizers, these [ACP][I] salts acted as a stiffener, plasticizing the liquid phase electrolyte. An investigation was carried out into the electrochemical properties of these [ACP][I]-based gel electrolytes, and they were found to have an impressively high diffusion constant (DI3−) of 28.5 × 10−6 cm2 s−1 and conductivity (σ) of 4.30 mS cm−1. The photovoltaic performance of this new redox couple was evaluated by employing nanocrystalline TiO2 films with different thicknesses. An energy conversion efficiency of 3.7% was achieved using an 8 μm TiO2 electrode, under simulated solar illumination (AM 1.5, 100 mW cm−2). This efficiency is comparable with the cells fabricated with the liquid electrolyte-Solaronix AN-50 (η 4.0%, reported in the literature).
關聯:	Journal of Materials Chemistry 2010(20)：p.6080-6085
顯示於類別:	[化妝品應用與管理系(所)] 期刊論文

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