2015
DOI: 10.1039/c5cc01835h
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Abstract: We demonstrate a facile synthetic approach for preparing mixed halide perovskite (CH3NH3)Pb(Br1-xClx)3 single crystals by the solvothermal growth of stoichiometric PbBr2 and [(1 - y)CH3NH3Br + yCH3NH3Cl] DMF precursor solutions. The band gap of (CH3NH3)Pb(Br1-xClx)3 single crystals increased and the unit cell dimensions decreased with an increase in Cl content x, consistent with previous theoretical predictions. Interestingly, the Cl/Br ratio in the (CH3NH3)Pb(Br1-xClx)3 single crystals is larger than that of … Show more

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Cited by 139 publications
(131 citation statements)
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“…4,6,8,15 Other combinations of halogens in these mixed organo-metallic halides have also been found promising. Experiments 16 show that the band gap of (CH 3 NH 3 )Pb(Br 1−x Cl x ) 3 single crystals increases and the unit cell dimensions decrease with an increase in Cl content x. Our results on inorganic perovskites support this finding.…”
supporting
confidence: 80%
“…4,6,8,15 Other combinations of halogens in these mixed organo-metallic halides have also been found promising. Experiments 16 show that the band gap of (CH 3 NH 3 )Pb(Br 1−x Cl x ) 3 single crystals increases and the unit cell dimensions decrease with an increase in Cl content x. Our results on inorganic perovskites support this finding.…”
supporting
confidence: 80%
“…2a, b) [50,56]. Later, Zhao and coworkers [57] found that this method was also feasible to grow mixed halide perovskite (CH3NH3)Pb(Br1−xClx)3 single crystals (Fig. 2c).…”
Section: Itc Methodsmentioning
confidence: 94%
“…[69] Increasing attention has been drawn in the solution synthesis, optoelectronic properties and device performances of PVSK single crystals. [71][72][73][74] The mixed-cation MA x FA 1−x PbI 3 single crystals were also prepared and their phase behavior and actual composition were investigated using X-ray diffraction techniques and 1 H solution NMR. [75] The molar ratio of MA/FA examined by NMR is very close to that of the precursor solutions, indicating the ease of formation for mixed-cation MA x FA 1−x PbI 3 solid solution.…”
Section: Mixed Cations Based On Ma Fa Cs and Rbmentioning
confidence: 99%