酸处理对TiO2纳米棒阵列染料敏化太阳能电池的光电性能影响
The Influence of Acid Treatment of TiO2 Nanorod Arrays on Photoelectric Performance of Dye-Sensitized Solar Cells
DOI: 10.12677/APP.2023.136030, PDF,   
作者: 朱媛媛, 袁宁一：常州大学材料科学与工程学院，江苏 常州；曲 婕：湖南师范大学化学化工学院，湖南 长沙
关键词: 染料敏化太阳电池；；TiO2；纳米棒阵列；酸处理；光电性能；Dye-Sensitized Solar Cells； TiO2； Nanorod Arrays； Acid Treatment； Photoelectrical Property
摘要: 通过水热法制备TiO2纳米棒阵列，并采用水热法对TiO2纳米棒阵列进行酸处理。用扫描电子显微镜对所得样品进行了形貌表征。将所得TiO2纳米棒阵列作为光阳极组装成染料敏化太阳电池(DSSCs)，并用电流–电压曲线研究DSSCs的光电性能。结果表明酸处理能提高TiO2纳米棒阵列制备的DSSCs的光电性能，盐酸处理的TiO2纳米棒阵列的DSSCs光电性能优于硝酸处理的。采用电化学阻抗谱(EIS)、强制光电流谱(IMPS)和强制光电压谱(IMVS)进一步研究TiO2纳米棒阵列的动力学过程。结果显示酸处理的TiO2纳米棒阵列制作的DSSCs具有更低的电荷转移阻抗和更快的电子传输速度。
Abstract: TiO2 nanorod arrays were prepared by hydrothermally process, and TiO2 nanorod arrays were acid treated by hydrothermal method. These samples were used to fabricate photoelectrodes for dye-sensitized solar cells (DSSCs). It was found from current voltage curve measurements that DSSCs with the acid treated TiO2 nanorod arrays showed better photoelectric performance than that with untreated TiO2, and DSSCs with TiO2 treated by hydrochloric acid had better photoelectric performance than that with TiO2 treated by nitric acid. Electrochemical impendence spectroscopy (EIS), intensity-modulated photocurrent spectroscopy (IMPS), and intensity-modulated voltage spectroscopy (IMVS) were used to further investigate the kinetics process of TiO2 electrodes. The results indicate that TiO2 nanorod arrays with the acid treatment have lower charge-transfer resistance and faster electron transport.
文章引用：朱媛媛, 曲婕, 袁宁一. 酸处理对TiO2纳米棒阵列染料敏化太阳能电池的光电性能影响[J]. 应用物理, 2023, 13(6): 257-263. https://doi.org/10.12677/APP.2023.136030

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