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Progress and Challenges Toward Effective Flexible Perovskite Solar Cells

查看全文 作　　者：Xiongjie [1]Li;Haixuan [1]Yu;Zhirong [1]Liu;Junyi [1]Huang;Xiaoting [1]Ma;Yuping [1]Liu;Qiang [1]Sun;Letian [1]Dai;Shahzada [2,3]Ahmad;Yan [1]Shen;Mingkui [1]Wang 高影响力作者 机构地区：[1]Wuhan National Laboratory for Optoelectronics,Huazhong University of Science and Technology,1037 Luoyu Road,Wuhan 430074,Hubei,People’s Republic of China;[2]BCMaterials,Basque Center for Materials,Applications and Nanostructures,University of Basque Country Science Park,48940 Leioa,Spain;[3]Ikerbasque,Basque Foundation for Science,48009 Bilbao,Spain高影响力机构 出　　处：《Nano-Micro Letters》索引2023年第15卷第11期,共24页高影响力期刊 基　　金：supported by the National Key Research and Development Program of China(2022YFB4200052);the National Natural Science Foundation of China(No.21975088);the Department of Science and Technology of Hubei Province(2022EHB009);the China Postdoctoral Science Foundation(2022M711236);S.A.thanks European Research Council(MOLEMAT-726360)for support. 摘　　要：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. 关 键 词：Flexible photovoltaics PEROVSKITE Internal stress Flexural endurance SELF-HEALING Long-term stability
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