Stabilizing Top Interface by Molecular Locking Strategy with Polydentate Chelating Biomaterials toward Efficient and Stable Perovskite Solar Cells in Ambient Air

Stabilizing Top Interface by Molecular Locking Strategy with Polydentate Chelating Biomaterials toward Efficient and Stable Perovskite Solar Cells in Ambient Air

© 2024 Wiley‐VCH GmbH.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 36(2024), 19 vom: 01. Mai, Seite e2312679
1. Verfasser: Liu, Baibai (VerfasserIn)
Weitere Verfasser: Ren, Xiaodong, Li, Ru, Chen, Yu, He, Dongmei, Li, Yong, Zhou, Qian, Ma, Danqing, Han, Xiao, Shai, Xuxia, Yang, Ke, Lu, Shirong, Zhang, Zhengfu, Feng, Jing, Chen, Cong, Yi, Jianhong, Chen, Jiangzhao
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2024
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article molecular locking strategy perovskite solar cells polydentate ligand chelating stability top interface
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520 |a The instability of top interface induced by interfacial defects and residual tensile strain hinders the realization of long-term stable n-i-p regular perovskite solar cells (PSCs). Herein, one molecular locking strategy is reported to stabilize top interface by adopting polydentate ligand green biomaterial 2-deoxy-2,2-difluoro-d-erythro-pentafuranous-1-ulose-3,5-dibenzoate (DDPUD) to manipulate the surface and grain boundaries of perovskite films. Both experimental and theoretical evidence collectively uncover that the uncoordinated Pb2+ ions, halide vacancy, and/or I─Pb antisite defects can be effectively healed and locked by firm chemical anchoring on the surface of perovskite films. The ingenious polydentate ligand chelating is translated into reduced interfacial defects, increased carrier lifetimes, released interfacial stress, and enhanced moisture resistance, which should be liable for strengthened top interface stability and inhibited interfacial nonradiative recombination. The universality of the molecular locking strategy is certified by employing different perovskite compositions. The DDPUD modification achieves an enhanced power conversion efficiency (PCE) of 23.17-24.47%, which is one of the highest PCEs ever reported for the devices prepared in ambient air. The unsealed DDPUD-modified devices maintain 98.18% and 88.10% of their initial PCEs after more than 3000 h under a relative humidity of 10-20% and after 1728 h at 65 °C, respectively 
650 4 |a Journal Article 
650 4 |a molecular locking strategy 
650 4 |a perovskite solar cells 
650 4 |a polydentate ligand chelating 
650 4 |a stability 
650 4 |a top interface 
700 1 |a Ren, Xiaodong  |e verfasserin  |4 aut 
700 1 |a Li, Ru  |e verfasserin  |4 aut 
700 1 |a Chen, Yu  |e verfasserin  |4 aut 
700 1 |a He, Dongmei  |e verfasserin  |4 aut 
700 1 |a Li, Yong  |e verfasserin  |4 aut 
700 1 |a Zhou, Qian  |e verfasserin  |4 aut 
700 1 |a Ma, Danqing  |e verfasserin  |4 aut 
700 1 |a Han, Xiao  |e verfasserin  |4 aut 
700 1 |a Shai, Xuxia  |e verfasserin  |4 aut 
700 1 |a Yang, Ke  |e verfasserin  |4 aut 
700 1 |a Lu, Shirong  |e verfasserin  |4 aut 
700 1 |a Zhang, Zhengfu  |e verfasserin  |4 aut 
700 1 |a Feng, Jing  |e verfasserin  |4 aut 
700 1 |a Chen, Cong  |e verfasserin  |4 aut 
700 1 |a Yi, Jianhong  |e verfasserin  |4 aut 
700 1 |a Chen, Jiangzhao  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t Advanced materials (Deerfield Beach, Fla.)  |d 1998  |g 36(2024), 19 vom: 01. Mai, Seite e2312679  |w (DE-627)NLM098206397  |x 1521-4095  |7 nnns 
773 1 8 |g volume:36  |g year:2024  |g number:19  |g day:01  |g month:05  |g pages:e2312679 
856 4 0 |u http://dx.doi.org/10.1002/adma.202312679  |3 Volltext 
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