Polyiodide-assisted fabrication of hybrid perovskite thin films from lead nanolayers on flexible substrates

被引:0
作者
Turkevych, Ivan [1 ]
Kazaoui, Said [1 ]
Suemori, Kouji [1 ]
Tarasov, Alexey B. [2 ]
Goodilin, Eugene A. [2 ]
Shirakawa, Naoki [1 ]
Fukuda, Nobuko [1 ]
机构
[1] Natl Inst Adv Ind Sci & Technol, Tsukuba, Ibaraki 3058565, Japan
[2] Lomonosov Moscow State Univ, Moscow 119991, Lenin Hills, Russia
基金
俄罗斯基础研究基金会;
关键词
polyiodide-assisted method; flexible thin-film; hybrid perovskite; SOLAR-CELLS; DEPOSITION; CDTE;
D O I
10.35848/1347-4065/ac4ad9
中图分类号
O59 [应用物理学];
学科分类号
摘要
Despite remarkable progress in solvent-assisted processing of hybrid perovskite thin films, the scalable fabrication of their uniform and pin-hole free layers remains a difficult task, especially on flexible substrates. In contrast, we have demonstrated that the polyiodide-assisted conversion of Pb nanolayers into MAPbI(3) results in the formation of crystalline MAPbI(3) thin films on large flexible substrates already at room temperature. The exposure of stoichiometric Pb/MAI bilayers to iodine vapor leads to the formation of highly reactive polyiodide melts MAI(3(L)), which instantly react with the Pb nanolayers converting them into pure MAPbI(3) films without byproducts or unreacted components.
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页数:6
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