用 g-C3N4/NiS/TiO2 纳米纤维改性光阳极制备染料敏化太阳能电池及其在室外和室内光照下的性能

IF 2.1 4区工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Transactions on Nanotechnology Pub Date : 2024-03-30 DOI:10.1109/TNANO.2024.3407375

Yu-Hsun Nien;Shang-Wen Zhuang;Jung-Chuan Chou;Chih-Hsien Lai;Po-Hui Yang;Po-Yu Kuo;Po-Feng Chen;Yu-Han Huang

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引用次数: 0

摘要

本研究采用水热法将石墨氮化碳（g-C3N4）和硫化镍（NiS）结合在一起，合成了一种新型复合材料 g-C3N4 - NiS（CN-NiS）。此外，还采用电纺丝技术将 CN-NiS 与二氧化钛（TiO2）纳米纤维结合，形成了一种新型复合纳米纤维（CN-NiS/TiO2 NFs），可用作染料敏化太阳能电池（DSSC）的光阳极。对纳米材料进行了表征，并评估了光阳极改性后的电荷重组和器件性能。首先，研究了改进后的 DSSC 在室外照明（AM 1.5G）下的光伏性能。采用 CN-NiS/TiO2 NFs 的光阳极实现了 6.65% 的光电转换效率 (PCE)，与未改良的 DSSC 相比有显著提高。此外，在室内照明（T5 荧光灯）条件下，CN-NiS/TiO2 NFs 光阳极的 PCE 最高可达 25.10%。

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Preparation of Dye-Sensitized Solar Cell With Modification of Photoanode by g-C3N4/NiS/TiO2 Nanofibers and Its Performance Under Outdoor and Indoor Illumination

In this study, a novel composite material, g-C ₃ N ₄ - NiS (CN-NiS), was synthesized by the hydrothermal method through the combination of graphitic carbon nitride (g-C ₃ N ₄ ) and nickel sulfide (NiS). Furthermore, an electrospinning technique was employed to incorporate CN-NiS into titanium dioxide (TiO ₂ ) nanofibers, resulting in the formation of a new type of composite nanofibers (CN-NiS/TiO ₂ NFs) to be used as a photoanode in dye-sensitized solar cells (DSSCs). The nanomaterial was characterized, and the charge recombination and performance of the device after modifying the photoanode were evaluated. Firstly, the photovoltaic performance of the modified DSSCs under outdoor illumination (AM 1.5G) was examined. The photoanode with CN-NiS/TiO ₂ NFs achieved an 6.65% photoelectric conversion efficiency (PCE), demonstrating significant improvement compared to the unmodified DSSCs. Additionally, the PCE of CN-NiS/TiO ₂ NFs photoanode under indoor illumination (T5 fluorescent lamp) reached a maximum of 25.10%.

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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.