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基于金刚线切片的钙钛矿/硅叠层太阳电池

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提出一种免空穴传输层的策略,将自组装单分子层材料作为钙钛矿活性层的添加剂,通过一步旋涂法直接将钙钛矿薄膜制备在导电基底表面,其中薄膜的质量与均一性都得到改善.进一步地,将该方法应用在低成本的商用金刚线切片上,可在高粗糙度的硅表面制备出覆盖度高、形貌致密、无空洞的钙钛矿薄膜.在光电性能方面,用该方法得到的单结钙钛矿太阳电池的光电转换效率为21%,填充因子高达83%,两端钙钛矿/硅叠层太阳电池的光电转换效率为28%.
PEROVSKITE/SILICON TANDEM SOLAR CELLS BASED ON DIAMOND-WIRE SAWN
In this study,a strategy of hole transport layer-free(HTL-free)is proposed.The self-assembled monolayer is used as the additive of perovskite active layer,then the perovskite film is directly deposited on the conductive substrate surface using a one-step spin coating method,and the quality and uniformity of the film are improved.Furthermore,the method is applied to the commercial and low-cost diamond-wire sawn with high surface roughness,resulting in the formation of a perovekite film characterized by high coverage,dense morphoogy,and absence of cavities.In terms of the photoelectric performance,the single-junction perovskite solar cells yield a champion power conversion efficiency(PCE)of 21.3%,with a high fill factor(FF)of over 83%.Finally,a PCE of 28%for perovskite/silicon tandem solar cells based on diamond-wire sawn is demonstrated.

perovskite solar cellsself-assembled monolayersadditiveshole transport layer-freediamond-wire sawnperovskite/silicon tandem solar cells

苏诗茜、应智琴、陈邢凯、李鑫、杨熹、叶继春

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宁波大学材料科学与化学工程学院,宁波 315211

中国科学院宁波材料技术与工程研究所,宁波 315211

湖州职业技术学院,湖州 313000

中国科学院大学,北京 100049

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钙钛矿太阳电池 自组装单分子层材料 添加剂 免空穴传输层 金刚线切片 钙钛矿/硅叠层太阳电池

宁波市重点研发计划国家自然科学基金浙江省重点项目浙江省重点研发计划

2023Z151622042452021C040092022C01215

2024

10.19912/j.0254-0096.tynxb.2023-1438

太阳能学报
中国可再生能源学会

太阳能学报

CSTPCD北大核心
影响因子：0.392
ISSN：0254-0096
年,卷(期)：2024.45(4)
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