- 學位論文
合成具雙亞胺苊和其它亞胺型的光敏劑以應用在 染料敏化太陽能電池上
Synthesis of Acenaphthene Diimine and Other Imine-Based Photosensitizers for Dye Sensitized Solar Cell Applications
摘要
我們成功的利用imine ligands來取代傳統釕金屬染料的bipyridine ligand，合成了兩個新穎的染料IM101與IM104以應用在染料敏化太陽能電 池上，並偵測其光電物理性質。目前應用在染料敏化太陽能電池的染料大 多都以N3為模板來進行修飾，而我們引進亞胺來取代N3上的bipyridine ligand，以亞胺為ancillary ligands的新型釕金屬染料，其UV吸收光譜和N719 相比之下，表現出較高的吸收度且有較紅位移的表現。染料IM101與IM104 成功的被合成並且具有好的光電性質表現，期望此類型染料可以具有很好 的光電轉換效率並且開啟設計新一代染料設計的無限可能性。
並列摘要
Two new imine-based ruthenium sensitizers, coded as IM104 and IM101, in which one or two bipyridine ligand in the traditional ruthenium complexes replaced by the imine ligands, respectively, have been synthesized, characterized and studied their photo-physical properties for dye-sensitized solar cell applications. The electronic properties of these new dyes were characterized by combining UV-vis spectroscopy and electrochemical techniques. Incorporating imine moiety as ancillary ligands in ruthenium complexes serves as the considerable electronic coupling between the imine ligand and ruthenium metal. Hence, both dyes displayed a remarkably high molar extinction coefficient arising from red-shift of their metal-to-ligand charge transfer band when compared to a commonly used N719 sensitizer. The results reported herein provide important synthetic advances for our broader goal of developing imine-based ruthenium complexes for light-harvesting applications. Further, the present work will open the infinite possibilities to design the dyes for the next generation.