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  • 學位論文

含非共軛電子隔板之染料在染料敏化太陽能電池上之應用

A new type of dyes carrying non-conjugated spacer for DSSC applications

指導教授 : 周大新

摘要


Norbornadiene結構具有兩組相近但非共軛的雙鍵。雙鍵的π軌域彼此在空間上產生重疊造成激發態電子可在兩個雙鍵之間未定域化。藉由Norbornadiene的性質,我們合成了含非共軛電子隔板的光敏化太陽能電池染料。其上有電子受體、非共軛電子隔板、以及由芳香鹼形成的配位基螯合金屬構成電子予體。目前在其中一個染料的元件測量上可以達到0.14%的光電子轉換效率(η),其開路電壓(Voc)0.48電子伏特,閉路電流(Isc)0.47(mA/cm2),填充因子(fill factor) 0.62。

並列摘要


Norbornadiene possess two non-conjugated double bonds, the π orbitals overlaping through space. In the excited state, an electron is delocalized between these two double bonds. Based on the properties of norbornadiene, we have synthesized a dye carrying a non-conjugated spacer for DSSC application. The components of designed dye include an accepter, a spacer and a donor, with a 3,6-bis(2’-pyridyl)pyridazine skeleton to chelate a varity of metals. Subsequently, we have applied the dye on DSSC device fabrication. Regarding the performance of the cell, the solar energy to electricity conversion efficiency (η) is 0.14% [Voc 4.8 V, Isc 0.47 (mA/cm2), fill factor 0.62].

參考文獻


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