Au nanoparticle-embedded NiO<sub>x</sub> films for stable and efficient MAPbI<sub>3</sub> solar cells

非化学计量配比的氧化镍(NiOx)薄膜成本低廉且能级可调, 因此被广泛用作有机金属卤化物钙钛矿太阳能电池的空穴传输层, 但其较低的电导率制约了电池能量转化效率(PCE)的提升. 本文利用自制的NiOx和Au纳米粒子水溶液, 通过分层旋涂方法将粒径约20 nm的Au纳米粒子嵌入NiOx薄膜, 然后应用于平面倒置型MAPbI3太阳能电池, 探究Au纳米粒子对电池光伏性能和空气稳定性的影响. 实验结果表明, 在NiOx空穴传输层中嵌入Au纳米粒子后, 电池填充因子增大, PCE从13.92%提升至16.19%. 未封装电池在空气中放置720 h后, 开路电压无明显衰减, PCE仍保持初始值的60%以上, 稳定性优于在空穴传输层掺杂其它金属纳米粒子的MAPbI3太阳能电池. 嵌入Au纳米粒子使得NiOx薄膜价带顶能级更匹配MAPbI3, 从而增强了NiOx薄膜提取空穴的能力. 同时, Au纳米粒子引发的局域表面等离子体共振效应提升了NiOx薄膜的电导率和空穴迁移率, 以上因素协同作用提高了器件光伏性能和空气稳定性.

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Publication Details

Journal
Zhongguo kexue. Wulixue Lixue Tianwenxue
Published
2025-12-04
DOI
https://doi.org/10.1360/sspma-2025-0341
Primary Topic
Perovskite Materials and Applications
Type
article
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article

Au nanoparticle-embedded NiOx films for stable and efficient MAPbI3 solar cells

Yaosong Huang, Ping Chen, Ying Li, Xiaoyan Qiu et al.
Zhongguo kexue. Wulixue Lixue Tianwenxue
Perovskite Materials and Applications
article

Au nanoparticle-embedded NiOx films for stable and efficient MAPbI3 solar cells

Yaosong Huang, Ping Chen, Ying Li, Xiaoyan Qiu, Siying Yuan, Liangqin Ceng
article en

Abstract

非化学计量配比的氧化镍(NiOx)薄膜成本低廉且能级可调, 因此被广泛用作有机金属卤化物钙钛矿太阳能电池的空穴传输层, 但其较低的电导率制约了电池能量转化效率(PCE)的提升. 本文利用自制的NiOx和Au纳米粒子水溶液, 通过分层旋涂方法将粒径约20 nm的Au纳米粒子嵌入NiOx薄膜, 然后应用于平面倒置型MAPbI3太阳能电池, 探究Au纳米粒子对电池光伏性能和空气稳定性的影响. 实验结果表明, 在NiOx空穴传输层中嵌入Au纳米粒子后, 电池填充因子增大, PCE从13.92%提升至16.19%. 未封装电池在空气中放置720 h后, 开路电压无明显衰减, PCE仍保持初始值的60%以上, 稳定性优于在空穴传输层掺杂其它金属纳米粒子的MAPbI3太阳能电池. 嵌入Au纳米粒子使得NiOx薄膜价带顶能级更匹配MAPbI3, 从而增强了NiOx薄膜提取空穴的能力. 同时, Au纳米粒子引发的局域表面等离子体共振效应提升了NiOx薄膜的电导率和空穴迁移率, 以上因素协同作用提高了器件光伏性能和空气稳定性.

Zhongguo kexue. Wulixue Lixue TianwenxueVol. 56(7)
Openalex Percentile: Top 61%
Perovskite Materials and Applications
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