Long-Chain Gemini Surfactant-Assisted Blade Coating Enables Large-Area Carbon-Based Perovskite Solar Modules with Record Performance

IF 31.6 1区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY Nano-Micro Letters Pub Date : 2023-07-14 DOI:10.1007/s40820-023-01155-w

Yumin Ren, Kai Zhang, Zedong Lin, Xiaozhen Wei, Man Xu, Xianzhen Huang, Haining Chen, Shihe Yang

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引用次数: 1

Abstract

Highlights

Trace amounts of long-chain gemini surfactants are essential for blade-coating of high-quality perovskite films, enabling a 17.05% efficient full printed carbon-based module (50 cm² active area).
Only when the surfactant chain is over a critical length will the gemini surfactant be effective for blade-coating of perovskite films.
The surfactants increase the capillary number of perovskite precursor solution, reduce the local disturbance and combat inhomogeneous solidification during blade coating, thus allowing high-quality perovskite films to be formed.

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长链Gemini表面活性剂辅助叶片涂层使大面积碳基钙钛矿太阳能组件具有创纪录的性能

微量的长链gemini表面活性剂对于高质量钙钛矿薄膜的叶片涂层至关重要，可以实现17.05%的高效全印刷碳基模块(50平方厘米的有效面积)。只有当表面活性剂链超过临界长度时，gemini表面活性剂才能有效地对钙钛矿薄膜进行叶片涂覆。表面活性剂增加了钙钛矿前驱体溶液的毛细数，减少了叶片涂层过程中的局部扰动和不均匀凝固，从而形成了高质量的钙钛矿薄膜。

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来源期刊

Nano-Micro Letters NANOSCIENCE & NANOTECHNOLOGY-MATERIALS SCIENCE, MULTIDISCIPLINARY

CiteScore

42.40

自引率

4.90%

发文量

715

审稿时长

13 weeks

期刊介绍： Nano-Micro Letters is a peer-reviewed, international, interdisciplinary and open-access journal that focus on science, experiments, engineering, technologies and applications of nano- or microscale structure and system in physics, chemistry, biology, material science, pharmacy and their expanding interfaces with at least one dimension ranging from a few sub-nanometers to a few hundreds of micrometers. Especially, emphasize the bottom-up approach in the length scale from nano to micro since the key for nanotechnology to reach industrial applications is to assemble, to modify, and to control nanostructure in micro scale. The aim is to provide a publishing platform crossing the boundaries, from nano to micro, and from science to technologies.