設施農業：光能設施於農業固碳之應用【化學系/葉鎮宇特聘教授】
| 論文篇名 | 英文：Efficient Counter Electrode for Copper (I)(II)-Mediated Dye-Sensitized Solar Cells Based on Polyvinyl Alcohol Capped Platinum Nanoclusters 中文：基於聚乙烯醇封端鉑奈米簇化物作為以銅(I)(II)介導之染料敏化太陽能電池的高效對電極 |
| 期刊名稱 | Journal of the Taiwan Institute of Chemical Engineers |
| 發表年份,卷數,起迄頁數 | 2023, 142, 104626. |
| 作者 | Nguyen, Vinh Son; Su, Tzu-Sen; Chen, Ching-Chin; Yeh, Chen-Yu(葉鎮宇)*; Wei, Tzu-Chien* |
| DOI | 10.1016/j.jtice.2022.104626 |
| 中文摘要 | 銅錯合物介導的染料敏化太陽能電池（DSSC）已被證明可以增強光電轉換效率（PCE）由於染料再生所需驅動力相對較低。良好的對電極（CE）必須具有有效的內部電荷轉移。此外，製作簡單、成本效益高和大面積的CE有利於大規模的應用。導電聚合物，聚(3,4-乙烯二氧噻吩)，PEDOT 的性能優於以鉑 (Pt)為基礎的CE。本報告中，我們研究了各種CE對銅錯合物介導的 DSSC之性能影響。使用聚乙烯吡咯烷酮封端的 Pt (PVP-Pt) 和聚乙烯醇的「浸塗」方法與使用傳統熱化方法 (TR-Pt_10) 進行比較。 PEDOT CE 是使用 EDOT 水溶液以電化學聚合製備。此外，沉積機制也提供了在導電透明氧化物玻璃上的PVP-Pt和PVA-Pt。「浸塗」方法不僅在 CE 表面形成更好的 Pt 奈米粒子均勻性而且與 TR-Pt_10 相比，使用的 Pt 消耗也更少。從阻抗測量和循環伏安分析，相比於PEDOT CE ，PVA-Pt CE 顯示不相上下的催化活性以及更優越電化學穩定性。 PVA-Pt CE基底元件的PCE為8.47%，高於其他分別使用 PEDOT (8.30 %)、TR-Pt_10 (8.12 %) 和 PVP-Pt (8.32 %)做為基底的元件。據報道，作為銅錯合物介導的 DSSC 的對電極材料，Pt 的性能不如 PEDOT。透過系統性的調查，我們的結果是第一份明確證明 Pt 仍然是銅錯合物氧化還原對的優異催化劑。 |
| 英文摘要 | Copper complex-mediated dye-sensitized solar cells (DSSCs) have been proven to enhance power conversion efficiency (PCE) due to relatively low driving force for dye-regeneration. A good counter electrode (CE) must possess effective internal charge transfer. Besides, simple fabrication, cost-effectiveness and high surface area of CE are favorable for large-scale application. Conducting polymer poly(3,4-ethylenedioxythiophene), PEDOT, is reported to perform better than platinum (Pt)-based CE. In this report, we study the influence of various kinds of CEs on performance of copper complex mediated DSSCs. “Dip-coating” methods using polyvinylpyrrolidone capped Pt (PVP-Pt) and polyvinyl alcohol capped Pt (PVA-Pt) are introduced and compared to traditional thermalization method (TR-Pt_10). PEDOT CE is prepared via electrochemical polymerization using aqueous EDOT solution. In addition, deposition mechanisms of PVP-Pt and PVA-Pt on conducting transparent oxide glass are also provided. The “dip-coating” method not only forms better uniformity of Pt nanoparticles on CE surface but also uses less Pt consumption compared to the TR-Pt_10. From the impedance spectroscopy measurement and cyclic voltammetry analysis, PVA-Pt CE reveals the competitive catalytic activity with PEDOT CE and superior electrochemical stability to PEDOT CE. The PCE of PVA-Pt CE-based device is 8.47 %, which is higher than those using PEDOT (8.30 %), TR-Pt_10 (8.12 %) and PVP-Pt (8.32 %). Pt is reported to perform inferiorly to PEDOT as the counter electrode material for copper complex-mediated DSSC. Through systematic investigation, our work is the first report to explicitly prove Pt is still an outstanding catalyst for copper complex redox couple. |
| 發表成果與本中心研究主題相關性 | 太陽能電池可將光轉換成電，其中研究染敏電池與不同對電極搭配之效能以期提高光電轉換效率與裝置穩定性的目標在永續農業發展上的重要性不容小覷，因為光源可以是大自然的太陽光，可以是人造的室內弱光，而光則是在農業發展上不可或缺的條件之一。 |
