钙钛矿/有机串联叠层光伏器件的制备及性能表征——推荐一个大学化学研究型综合实验  

Preparation and Performance Characterization of Perovskite/Organic Tandem Photovoltaic Devices:A Comprehensive Researching Chemistry Experiment

作　　者：谭占鳌 李明华 王文立 孙振宇 Zhan’ao Tan;Minghua Li;Wenli Wang;Zhenyu Sun(Beijing Advanced Innovation Center for Soft Matter Science and Engineering,Beijing University of Chemical Technology,Beijing 100029,China;College of Chemical Engineering,Beijing University of Chemical Technology,Beijing 100029,China)

机构地区：[1]北京化工大学北京软物质科学与工程高精尖创新中心,北京100029 [2]北京化工大学化学工程学院,北京100029

出　　处：《大学化学》2025年第2期312-319,共8页University Chemistry

基　　金：科教融汇教改项目(2024JGKJ015)。

摘　　要：钙钛矿材料具备优异光电性能和带隙可调的特性,是制备高效光伏器件的良好选择。有机太阳能电池具有溶液制备和可柔性弯折的特点,与钙钛矿太阳能电池具有相似的器件结构。构建钙钛矿/有机串联叠层可有效提升光谱利用率,突破单结器件的理论效率,展现出更广阔的应用潜力。本实验以串联叠层光伏器件前沿进展为出发点,推荐一个综合化学设计性实验,使本科生学习了解钙钛矿/有机叠层电池的原理及进展,并以此为基础提高其创新思维与实验实践综合能力。本实验中的串联叠层钙钛矿器件包括宽带隙钙钛矿前结子电池、中间层以及有机后结子电池,涉及了基于液相法和真空气相法的薄膜制备过程,通过扫描电子显微镜和X射线衍射表征钙钛矿薄膜的微观形貌与结晶特性,使用模拟太阳光和电学测试系统测量制备叠层器件的光电性能。本实验难度适中,涉及内容丰富,旨在让学生通过本实验去了解光伏器件的工作原理和前沿发展,提升学生对光伏电池的兴趣,并培养其科研创新及实践能力。Perovskite materials exhibit excellent optoelectronic properties and tunable bandgaps,making them a promising choice for efficient photovoltaic devices.Organic solar cells,with features like solution processing and flexibility,share a similar device structure with perovskite solar cells.Building perovskite/organic tandem structures can effectively enhance spectral utilization,surpassing the theoretical efficiency of single-junction devices,showing broader application potential.This experiment,starting from the forefront progress of tandem photovoltaic devices,recommends a comprehensive chemical design experiment for undergraduate students to understand the principles and advancements of perovskite/organic tandem cells,aiming to enhance their innovative thinking and experimental skills.The experiment involves tandem perovskite devices consisting of wide-bandgap perovskite front sub-cells,an intermediate layer,and organic rear sub-cells,covering thin film fabrication processes based on liquid-phase and vacuum deposition methods.Characterization of perovskite films' microstructure and crystalline properties is conducted using scanning electron microscopy and X-ray diffraction,while the photovoltaic performance of prepared tandem devices is measured using simulated sunlight and electrical testing systems.With moderate difficulty and rich content,this experiment aims to enable students to comprehend the working principles and frontier developments of photovoltaic devices,fostering their interest in solar cells and nurturing their research innovation and practical skills.

关 键 词：钙钛矿太阳能电池 综合化学实验 叠层光伏电池 光电性能 

分 类 号：G64[文化科学—高等教育学] O6[文化科学—教育学]