January 1, 2015

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

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Abstract

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 FAPbX3 (FA = HC(NH2)2(+), X = Br(-)/I(-)). FAPbI3 crystals exhibit a 1.4 eV bandgap--considerably narrower than their polycrystalline counterparts.

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Saidaminov et al. (Thu,) studied this question.

synapsesocial.com/papers/69ddc0b1e02db3e29db0bd3f https://doi.org/https://doi.org/10.1039/c5cc06916e

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