Research on Photovoltaic Measurement and Electrochemical Impedance Spectroscopy Analysis of Dye-Sensitized Solar Cells With Modification of Photoanodes by TiO2 Nanofibers Composited With Zn2SnO4-SnO2 Under Various Illuminances

IF 2.1 4区工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC IEEE Transactions on Nanotechnology Pub Date : 2024-09-16 DOI:10.1109/TNANO.2024.3460869

Yu-Hsun Nien;Yu-Han Huang;Jung-Chuan Chou;Chih-Hsien Lai;Po-Yu Kuo;Po-Hui Yang;Jhih-Wei Zeng;Chia-Wei Wang

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Abstract

This study involves the utilization of electrostatic access techniques and the development of ZTO-SnO ₂ /TiO ₂ nanofibers (NFs) in different ratios of 1%, 3%, and 5%. The dye-sensitized solar cells (DSSCs) efficiency was enhanced through the utilization of ZTO-SnO ₂ nanofiber composites in photoanodes. According to this study, the 3% ZTO-SnO ₂ /TiO ₂ nanofiber-modified DSSCs conversion efficiency was better than that of other DSSCs at different light intensities. When the light intensity is 100 mW/cm ² , there is a rise in efficiency by 30.91% compared with pure TiO ₂ . The EIS (Electrochemical Impedance Spectroscopy) usage demonstrated that adding ZTO-SnO ₂ efficiently lowered the photoanode's electron transfer impedance. The higher scattering potential and powerful electron transfer capability have been demonstrated to have a positive effect on increasing the JSC of DSSCs using quantum efficiency studies.

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用 Zn2SnO4-SnO2 复合 TiO2 纳米纤维修饰光阳极的染料敏化太阳能电池在各种光照条件下的光伏测量和电化学阻抗谱分析研究

本研究涉及利用静电接入技术和开发不同比例（1%、3% 和 5%）的 ZTO-SnO2/TiO2 纳米纤维 (NF)。通过在光阳极中使用 ZTO-SnO2 纳米纤维复合材料，提高了染料敏化太阳能电池（DSSC）的效率。根据这项研究，在不同光照强度下，3% ZTO-SnO2/TiO2 纳米纤维改性 DSSC 的转换效率优于其他 DSSC。当光照强度为 100 mW/cm2 时，效率比纯 TiO2 提高了 30.91%。电化学阻抗光谱（EIS）研究表明，添加 ZTO-SnO2 能有效降低光阳极的电子转移阻抗。量子效率研究表明，更高的散射电位和强大的电子转移能力对提高 DSSC 的 JSC 有积极作用。

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来源期刊

IEEE Transactions on Nanotechnology 工程技术-材料科学：综合

CiteScore

4.80

自引率

8.30%

发文量

审稿时长

8.3 months

期刊介绍： The IEEE Transactions on Nanotechnology is devoted to the publication of manuscripts of archival value in the general area of nanotechnology, which is rapidly emerging as one of the fastest growing and most promising new technological developments for the next generation and beyond.