Mechanical strengthening of a perovskite–substrate heterointerface for highly stable solar cells

Author:

Leng Xuesong1,Zheng Yichu2,He Jingjing3,Shen Benben1,Wang Haonan1,Li Qing1,Liu Xinyi1,Lin Miaoyu1,Shi Yifeng45,Wei Zhanpeng1,Peng Yu1ORCID,Yang Hua Gui1ORCID,Niu Qiang3ORCID,Yang Shuang1ORCID,Hou Yu1ORCID

Affiliation:

1. Key Laboratory for Ultrafine Materials of Ministry of Education, Shanghai Engineering Research Center of Hierarchical Nanomaterials, Shanghai Frontiers Science Center of Optogenetic Techniques for Cell Metabolism, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai 200237, China

2. School of Mechatronic Engineering and Automation, Shanghai University, Shanghai 200444, China

3. National Enterprise Technology Center, Inner Mongolia Erdos Electric Power and Metallurgy Group Company Limited, Ordos 016064, Inner Mongolia, China

4. School of Microelectronics, Shanghai University, Shanghai 201800, China

5. Laboratory of Thin Film Optics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai, 201800, China

Abstract

We show the mechanical strengthening of the buried interface in perovskite solar cells by using a cohesive macromolecular binder. Solar cells with a strengthened interface delivered a T97.5 lifespan of over 1600 h under 1-sun illumination at 55 °C.

Funder

National Natural Science Foundation of China

Science and Technology Commission of Shanghai Municipality

Shanghai Shuguang Program

Natural Science Foundation of Shanghai Municipality

Postdoctoral Research Foundation of China

Fundamental Research Funds for the Central Universities

Publisher

Royal Society of Chemistry (RSC)

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