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    Please use this identifier to cite or link to this item: http://ir.cnu.edu.tw/handle/310902800/26674

    標題: Pyridinium molten salts as co-adsorbents in dye-sensitized solar cells
    作者: Chang, Jui-Cheng
    Yang, Cheng-Hsien
    Yang, Hao-Hsun
    Hsueh, Mao-Lin
    Ho, Wen-Yueh
    Chang, Jia-Yaw
    Sun, I-Wen
    貢獻者: 化粧品應用與管理系
    關鍵字: Dye-sensitized solar cell
    Insulating molecular layer
    日期: 2011-01
    上傳時間: 2013-06-03 15:52:56 (UTC+8)
    出版者: Elsevier
    摘要: The influence of using pyridinium molten salts as co-adsorbents to modify the monolayer of a TiO2 semiconductor on the performance of a dye-sensitized solar cell is studied. The current–voltage characteristics are measured under AM 1.5 (100 mW cm−2). The pyridinium molten salts significantly enhance the open-circuit photovoltage (Voc), the short circuit photocurrent density (Jsc) as well as the solar energy conversion efficiency (η). 1-Ethyl-3-carboxypyridinium iodide ([ECP][I]) is applied successfully to prepare an insulating molecular layer with N719, and achieve high energy conversion efficiency as high as 4.49% at 100 mW cm−2 and AM 1.5. The resulting efficiency is 20% higher than that of a non-additive device. This enhancement of conversion efficiency is attributed to the negative shift of the conduction band (CB) edge and the abundant concentration of I− on the surface of the electrode when using [ECP][I] as the co-adsorbent.
    Appears in Collections:[化妝品應用與管理系(所)] 期刊論文

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