以染料HBC-23為主敏化劑並以共敏化劑或共吸附劑組裝太陽能電池元件之組裝優化之研究

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題名:	以染料HBC-23為主敏化劑並以共敏化劑或共吸附劑組裝太陽能電池元件之組裝優化之研究
作者:	陳柏均;Chen, Po-Chun
貢獻者:	化學學系
關鍵詞:	染料敏化太陽能電池;dye-sensitized solar cell
日期:	2023-12-07
上傳時間:	2024-09-19 14:50:30 (UTC+8)
出版者:	國立中央大學
摘要:	本研究針對實驗室所開發之釕錯合物錯合物染料 HBC-23 進行元件組裝條件優化，並使用紫質染料 YD-2 或本實驗室合成之染料BTI-7/POEt/JIA-SQ-1/DUY-1 做為共敏化劑，以提高所組裝電池的效率及穩定性。本研究也使用共吸附劑 CDCA 或後吸附劑 PVA、OPA、TMEA-TMOS、TEOS 等方法來組裝元件。結果顯示只以HBC-23 為敏化劑所組裝之元件的最高效率為 8.29%，與 HBC-23 搭配最良好的共敏化劑為 YD-2，以 HBC-23 為主敏化劑 YD-2 為共敏化劑所組裝之電池最高效率為 7.95%。電池之 IPCE 光譜顯示當主敏化劑為 HBC-23，共敏化劑為 YD-2 之電池在 650 nm ~ 700 nm 處之IPCE 值最高上升了約 15%，且主敏化劑為 HBC-23 共敏化劑為 YD2 所組裝之電池長時間穩定性較只以 HBC-23 為敏化劑所組裝之元件好。電池組裝完在大氣中之黑暗環境下置放 500 個小時後，有使用 YD-2 之電池仍維持 7.57%的效率(跌幅約 5%)，而同樣條件下使用單一 HBC-23 染料組裝之電池效率則下降了 13%，其原因為當使用共敏化時，光電極上之總染料吸附量由 2.12 × 10-8 mole cm-2 µm-1上升至 2.94 × 10-8 mole cm-2 µm-1，使電解液內造成效率下降之離子IO3-較難吸附於覆蓋率較好的二氧化鈦表面上。;In this study, we focused on optimizing the device assembly conditions for the ruthenium complex dye HBC-23, developed in our laboratory. We also employed the commercial porphyrins dye YD-2 or the dyes developed in our lab BTI-7/POEt/JIA-SQ-1 as co-sensitizers to improve the cell efficiency and stability of DSC. Futhermore, co-adsorbents CDCA or postadsorbents PVA, OPA, TMEA-TMOS, and TEOS were also tested. The highest efficiency of DSC based on only HBC-23 sensitizer is 8.29%.While the best-performing of HBC-23 co-sensitizer with YD-2 resulted in a maximum cell efficiency of 7.95%. The IPCE spectra of the cells revealed that the IPCE value at 650-700 nm increased by approximately 15% when HBC-23 was used as the main sensitizer and YD-2 as the co-sensitizer. The long-term stability test of the cells showed that when HBC-23 is the main sensitizer and YD-2 is the co-sensitizer, the cell maintained an efficiency of 7.57% (decreased by 5%) after being placed in a dark environment in the atmosphere for 500 hours. However, the efficiency of the cell assembled with HBC-23 dye decreased by 13% under the same conditions. The reason is that when using the co-sensitizer YD-2, the total dye adsorption on the photoelectrode increased from 2.12 × 10-8 mole cm-2 µm1 to 2.94 × 10-8 mole cm-2 µm-1 . The increase of dyes absorbed on TiO2 makes it more difficult for the IO3- molecules , which is in electrolyte and is harmful to the efficiency of the cell , to adsorb onto the better-covered titanium dioxide surface. As a result, the stability of the cell that use YD-2 as co-sensitizer is improved.
顯示於類別:	[化學研究所] 博碩士論文

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