湿度退火法对CsPbIxBr3–x电池性能改善的研究
PDF下载 (101)李鑫建,丁 硕,唐兆兵,向超宇.湿度退火法对CsPbIxBr3–x电池性能改善的研究[J].宁波大学学报(理工版),2025,38(6):77-81.DOI:10.20098/j.cnki.1001-5132.2025.0216
Li Xinjian,Ding Shuo,Tang Zhaobing,Xiang Chaoyu.Study on the improvement of CsPbIxBr3-x solar cell performance by humidity-assisted annealing[J].Journal of Ningbo University(Natural Science & Engineering Edition),2025,38(6):77-81.DOI:10.20098/j.cnki.1001-5132.2025.0216
| Title: | Study on the improvement of CsPbIxBr3-x solar cell performance by humidity-assisted annealing |
| 作者: | 李鑫建, 丁 硕, 唐兆兵, 向超宇 |
| Author(s): | Li Xinjian, Ding Shuo, Tang Zhaobing, Xiang Chaoyu |
| 关键词: | 钙钛矿太阳能电池; 薄膜制备; 延缓结晶; 空气退火 |
| Keywords: | perovskite solar cells; film fabrication; crystallization delay; air annealing |
| 分类号: | TM914 |
| DOI: | 10.20098/j.cnki.1001-5132.2025.0216 |
| 文献标识码: | A |
| 摘要: | 目前在空气中退火已经成为获得高质量全无机钙钛矿的关键工艺，但水分的具体作用还没有被清晰阐述，为了探究湿度退火对全无机钙钛矿形成的影响机制，分别在空气湿度为10%、20%、30%条件下进行钙钛矿的退火过程，制备出不同湿度条件下的薄膜。结果表明，在20%湿度条件下退火有助于延缓钙钛矿结晶过程，提高结晶度，其缺陷密度明显减小，制备的器件短路电流密度、开路电压以及填充因子等性能参数得到了明显提升，光电转换效率（PCE）达到了12.25%。 |
| Abstract: | Annealing in air has become a key process for producing high-quality all-inorganic perovskites. However, the specific role of moisture has not been fully elucidated. To investigate the effect of humidity during annealing on the formation of all-inorganic perovskites, this study prepared perovskite films with the annealing process under different humidity conditions (10%, 20%, and 30%). The results demonstrate that the annealing at 20% humidity significantly slows down the perovskite crystallization process, leading to improved crystallinity, a marked reduction in defect density, and a notable enhancement in device performance. The key parameters, including short-circuit current density, open-circuit voltage and fill factor, showed significant improvements, and the power conversion efficiency (PCE) reached 12.25%. |
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| 备注/Memo: | 收稿日期：2025−02−27 宁波大学学报（理工版）网址：http://journallg.nbu.edu.cn/ 基金项目：国家重点研发计划（2022YFB3602902）；国家自然科学基金（62234004）；中国科学院博士后流动站项目（GZB20240778） 第一作者：李鑫建，硕士研究生，主要研究方向为钙钛矿太阳能电池。E-mail: lixinjian@nimte.ac.cn *通信作者：向超宇，博士/研究员，主要研究方向为纳米光电。E-mail: xiangchaoyu@nimte.ac.cn 宁波大学学报（理工版）网址：http://journallg.nbu.edu.cn/ |
