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Retrograde solubility of formamidinium and methylammonium lead halide perovskites enabling rapid single crystal growth
Journal article   Peer reviewed

Retrograde solubility of formamidinium and methylammonium lead halide perovskites enabling rapid single crystal growth

Makhsud I. Saidaminov, Ahmed L. Abdelhady, Giacomo Maculan and Osman M. Bakr
Chemical communications (Cambridge, England), Vol.51(100), pp.17658-17661
01/01/2015
DOI: https://doi.org/10.1039/c5cc06916e
PMID: 26511771

Abstract

Chemistry Chemistry, Multidisciplinary Physical Sciences Science & Technology
Here we show the retrograde solubility of various hybrid perovskites through the correct choice of solvent(s) and report their solubility curves. Retrograde solubility enables to develop inverse temperature crystallization of FAPbX(3) (FA = HC(NH2)(2)(+), X = Br-/I-). FAPbI(3) crystals exhibit a 1.4 eV bandgap - considerably narrower than their polycrystalline counterparts.

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