Chemical oxidization of PTAA enables stable slot-die-coated perovskite solar modules

IF 38.6 1区材料科学 Q1 CHEMISTRY, PHYSICAL

Joule Pub Date : 2025-04-16 DOI:10.1016/j.joule.2025.101850

Jin Hyuck Heo , Seok Young Hong , Jin Kyoung Park , Hyong Joon Lee , Fei Zhang (张飞) , Sang Hyuk Im

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Abstract

The stability of perovskite solar modules has rarely been reported due to inefficient coating reproducibility and charge extraction, especially for the slot-die-coating process. In this study, we regulated the energy-level mismatch and improved the surface wettability by chemical oxidization between antimony trichloride (SbCl₃) and poly[bis(4-phenyl)](2,4,6-trimethylphenyl)amine (PTAA) through a Lewis acid-base interaction. As a result, charge extraction and coating reproducibility of the slot-die-coated perovskite film were improved. The modules’ power conversion efficiency (PCE) was enhanced to 22.05% and 20.65% (certified 20.33%) with aperture areas of 25 and 64 cm² for the rigid substrates and 18.86% with an aperture area of 12 cm² for the flexible substrates. Furthermore, the encapsulated SbCl₃-doped PTAA module devices with an aperture area of 64 cm² maintain 90% of the initial PCE after a durability test under continuous 1 sun illumination for 1,000 h at 85°C and 85% relative humidity.

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PTAA的化学氧化使槽模涂层钙钛矿太阳能组件稳定

钙钛矿太阳能组件的稳定性由于涂层的可重复性和电荷提取效率低而很少被报道，特别是在槽模涂层过程中。在本研究中，我们通过Lewis酸碱相互作用调节了三氯化锑（SbCl3）和聚[双（4-苯基）]（2,4,6-三甲基苯基）胺（PTAA）之间的能级失配，提高了表面润湿性。从而提高了钙钛矿薄膜的电荷提取率和涂层的重现性。当孔径面积为25和64 cm2时，刚性基板的功率转换效率（PCE）提高到22.05%和20.65%（经认证为20.33%），而当孔径面积为12 cm2时，柔性基板的功率转换效率（PCE）提高到18.86%。此外，封装的孔径面积为64 cm2的掺杂sbcl3的PTAA模块器件在85°C和85%相对湿度下连续1个太阳照射1000小时后，在耐久性测试中保持了初始PCE的90%。

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来源期刊

Joule Energy-General Energy

CiteScore

53.10

自引率

2.00%

发文量

198

期刊介绍： Joule is a sister journal to Cell that focuses on research, analysis, and ideas related to sustainable energy. It aims to address the global challenge of the need for more sustainable energy solutions. Joule is a forward-looking journal that bridges disciplines and scales of energy research. It connects researchers and analysts working on scientific, technical, economic, policy, and social challenges related to sustainable energy. The journal covers a wide range of energy research, from fundamental laboratory studies on energy conversion and storage to global-level analysis. Joule aims to highlight and amplify the implications, challenges, and opportunities of novel energy research for different groups in the field.