Progress and Challenges Toward Effective Flexible Perovskite Solar Cells

IF 31.6 1区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

Nano-Micro Letters Pub Date : 2023-08-31 DOI:10.1007/s40820-023-01165-8

Xiongjie Li, Haixuan Yu, Zhirong Liu, Junyi Huang, Xiaoting Ma, Yuping Liu, Qiang Sun, Letian Dai, Shahzada Ahmad, Yan Shen, Mingkui Wang

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Abstract

The demand for building-integrated photovoltaics and portable energy systems based on flexible photovoltaic technology such as perovskite embedded with exceptional flexibility and a superior power-to-mass ratio is enormous. The photoactive layer, i.e., the perovskite thin film, as a critical component of flexible perovskite solar cells (F-PSCs), still faces long-term stability issues when deformation occurs due to encountering temperature changes that also affect intrinsic rigidity. This literature investigation summarizes the main factors responsible for the rapid destruction of F-PSCs. We focus on long-term mechanical stability of F-PSCs together with the recent research protocols for improving this performance. Furthermore, we specify the progress in F-PSCs concerning precise design strategies of the functional layer to enhance the flexural endurance of perovskite films, such as internal stress engineering, grain boundary modification, self-healing strategy, and crystallization regulation. The existing challenges of oxygen-moisture stability and advanced encapsulation technologies of F-PSCs are also discussed. As concluding remarks, we propose our viewpoints on the large-scale commercial application of F-PSCs.

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高效柔性钙钛矿太阳能电池的进展与挑战。

基于柔性光伏技术(如钙钛矿)的建筑集成光伏和便携式能源系统的需求是巨大的，这些光伏技术具有卓越的灵活性和优越的功率质量比。光活性层，即钙钛矿薄膜，作为柔性钙钛矿太阳能电池(f - psc)的关键组成部分，当遇到温度变化导致变形时，仍然面临长期稳定性问题，而温度变化也会影响其固有刚度。本文献综述了导致F-PSCs快速破坏的主要因素。我们专注于f - psc的长期机械稳定性，以及最近改善这种性能的研究方案。此外，我们详细介绍了f- psc在功能层的精确设计策略方面的进展，以提高钙钛矿薄膜的弯曲耐久性，如内应力工程、晶界修饰、自修复策略和结晶调节。讨论了f - psc在氧湿稳定性和先进封装技术方面存在的挑战。最后，我们对f - psc的大规模商业应用提出了自己的观点。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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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.