Formation and stabilization of metastable halide perovskite phases for photovoltaics
Hu, Shuangyan (Shenzhen University. Institute for Advanced Study)
Tapa, Arnauld Robert (Shenzhen University. Institute for Advanced Study)
Zhou, Xuechang (College of Shenzhen University)
Pang, Shuping (Qingdao Institute of Bioenergy and Bioprocess Technology)
Lira-Cantu, Monica (Institut Català de Nanociència i Nanotecnologia)
Xie, Haibing (Shenzhen University. Institute for Advanced Study)

Data:	2024
Resum:	Halide perovskites are semiconductors that have impacted the photovoltaic field in single and multijunction devices. Among them, metastable FAPbI-based (FA, formamidinium) and CsPbI-based perovskites are frontrunner materials for perovskite solar cells. However, they face the same challenge; their photoactive black perovskite phases spontaneously transform into the yellow non-photoactive δ phases at room temperature. Synthesizing and stabilizing the pure perovskite phase has been a great challenge, leading to frequent updates of the reported record efficiency and stability for organic-inorganic hybrid perovskite and all-inorganic perovskite photovoltaics. In this perspective, we first discuss the material properties of metastable perovskites FAPbI and CsPbI and later review the most relevant strategies currently employed for obtaining and stabilizing these perovskite phases. Finally, we summarize the thermodynamic changes taking place during transition processes and outlook on the potential applications and scalability of these metastable perovskites.
Ajuts:	Agencia Estatal de Investigación CEX2021-001214-S Agencia Estatal de Investigación PID2019-104272RB-C54
Drets:	Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, i la comunicació pública de l'obra, sempre que no sigui amb finalitats comercials, i sempre que es reconegui l'autoria de l'obra original. No es permet la creació d'obres derivades.
Llengua:	Anglès
Document:	Article ; recerca ; Versió publicada
Publicat a:	Cell Reports Physical Science, Vol. 5, Issue 2 (February 2024) , art. 101825, ISSN 2666-3864

DOI: 10.1016/j.xcrp.2024.101825

20 p, 4.5 MB

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