染料敏化太陽能電池(DSSC)因成本低、製作簡易、質輕、可製作成可撓曲式…等優點，在第三代太陽能電池中具有發展潛力。在DSSC中，電解液扮演還原染料、傳遞電洞及決定理論Voc值的重要角色。目前最常用的電解質為iodide / triiodide系統，但因其具易升華、會腐蝕大部分的金屬等的先天缺點，因此，科學家紛紛尋找其他種類的電解質。其中，ferrocene / ferrocenium系統電解質不具腐蝕性、低氧化/還原電位可有效的還原染料等特色，是一種有潛力做為DSSC電解質的材料。本研究使用兩種染料，分別為本實驗室所開發的釕金屬錯合物染料CYC-B12及購買的有機染料D149，吸附於經過TiCl4前、後處理的TiO2電極上，再搭配ferrocene / ferrocenium電解質組裝成DSSC元件。藉由在電解質溶液中添加不同的成分及改變各成分的濃度比例，探討不同電解質溶液對元件效率的影響。其中以 K33 electrolyte (0.1M Ferrocene / 0.01M FcBF4 / 0.1M TBP / 0.2M LiTFSI / 0.06M TBACDCA)的結果最好。由K33電解質搭配CYC-B12光敏化劑所組裝的電池元件，光電轉換效率為3.49 % (I-/I3-系統：6.87 %)；若以D149為光敏化劑所組裝的電池元件，光電轉換效率為4.04 % (I-/I3-系統：5.81 %)。Dye-Sensitized Solar Cells (DSSCs), one of the third generation thin film solar cells, are attractive due to their low cost, light weight, colorfulness, easy fabrication and flexibility. Electrolyte is one of the important components, which reduced the dye, carried the hole to the cathode and determine the Voc of a DSSC. Iodide/ triiodide system is the commonly used electrolyte, however it has some inherent drawbacks. Looking for other alternative electrolytes become an active research. Ferrocene/ Ferrocenium system with non corrosive in nature, low redox potential, and high redox reactivity has a great potential to be used as a electrolyte material in DSSC. In this study, We used two dyes: one is Ru-complex CYC-B12 developed by our laboratory, and the other is organic dye D149 as sensitizers. TiO2 electrode was pretreated by TiCl4 before dye adsorption. Electrolyte with arious components as well as different ratio of each component were used to explore the performance of DSSC based on ferrocene/ ferrocenium electrolyte. The best one is K33 electrolyte with the composition of 0.1M ferrocene/ 0.01M FcBF4/ 0.1M TBP/ 0.2M LiTFSI/ 0.06M TBACDCA in ACN. DSSC used K33 electrolyte, CYC-B12 sensitizer achieves the efficiency of 3.49 % (I-/I3- system：6.87 %). When D149 dye was used the efficiency of DSSC based on the same TiO2 anode and K33 electrolyte is 4.04 % (I-/I3- system：5.81 %).
