- 學位論文
以噻吩並異靛藍為主體的近紅外光染料在染料敏化電池上之應用
Near-Infrared Thienoisoindigo-based Dyes for the Application in Dye-Sensitized Cells
摘要
以噻吩並異靛藍（TII）作為主結構合成出6個染料分子（Xin-1~6），並應用於染料敏化電池上。 Xin-1~6使用同一種拉電子基團並與TiO2作嵌合，並分別接上不同的推電子基團，根據其光物理性質可看出Xin系列染料的吸收波長皆有涵蓋到近紅外光區，其中Xin-2的最大吸收波長最紅位移為716 nm，並可吸收到864 nm。 而其應用在染料敏化電池的元件效率以Xin-4、Xin-5最高，在光強度AM1.5G下效率皆為0.34%，T5-600 lux照射下分別為0.33%、0.47%，而在LED-600 lux照射下為0.28%、0.38%。
並列摘要
Thienoisoindigo (TII)-based small molecules have been previously used in the applications for organic photovaltaic with promising performance. However, they have never been used as the dyes for dye-sensitized cells (DSCs). In this work, we synthesized six TII-based dyes by using different electron donor, TII as π-linker, and cyano acetic acid as electron acceptor as well as the anchoring group on TiO2. The photophysical studies of dyes showed that the absorption of TII-based dyes covered the near-infrared region. Moreover, the power conversion efficiency (PCE) of Xin-1~6 under solar light and indoor light environments were characterized.
參考文獻
延伸閱讀
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