A Facile Solvothermal Growth of Single Crystal Mixed Halide Perovskite CH3NH3Pb(Br1-xClx)3

Kai Zhu; Jao Van De Lagemaat; Joseph Luther; Taiyang Zhang; Mengjin Yang; Eric Benson; Zijian Li; Yanfa Yan; Yixin Zhao

doi:10.1039/C5CC01835H

A Facile Solvothermal Growth of Single Crystal Mixed Halide Perovskite CH3NH3Pb(Br1-xClx)3

Kai Zhu, Jao Van De Lagemaat, Joseph Luther, Taiyang Zhang, Mengjin Yang, Eric Benson, Zijian Li, Yanfa Yan, Yixin Zhao

Chemistry and Nanoscience

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Abstract

We demonstrate a facile synthetic approach for preparing mixed halide perovskite (CH₃NH₃)Pb(Br_1-xCl_x)₃ single crystals by the solvothermal growth of stoichiometric PbBr₂ and [(1 - y)CH₃NH₃Br + yCH₃NH₃Cl] DMF precursor solutions. The band gap of (CH₃NH₃)Pb(Br_1-xCl_x)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(Br_1-xCl_x)₃ single crystals is larger than that of the precursor solution, suggesting an unusual crystal growth mechanism.

Original language	American English
Pages (from-to)	7820-7823
Number of pages	4
Journal	Chemical Communications
Volume	51
Issue number	37
DOIs	https://doi.org/10.1039/C5CC01835H https://doi.org/10.1039/c5cc01835h
State	Published - 7 May 2015

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Publisher Copyright:
© The Royal Society of Chemistry 2015.

NREL Publication Number

NREL/JA-5900-63841

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title = "A Facile Solvothermal Growth of Single Crystal Mixed Halide Perovskite CH3NH3Pb(Br1-xClx)3",

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 the precursor solution, suggesting an unusual crystal growth mechanism.",

author = "Kai Zhu and {Van De Lagemaat}, Jao and Joseph Luther and Taiyang Zhang and Mengjin Yang and Eric Benson and Zijian Li and Yanfa Yan and Yixin Zhao",

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doi = "10.1039/C5CC01835H",

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T1 - A Facile Solvothermal Growth of Single Crystal Mixed Halide Perovskite CH3NH3Pb(Br1-xClx)3

AU - Zhu, Kai

AU - Van De Lagemaat, Jao

AU - Luther, Joseph

AU - Zhang, Taiyang

AU - Yang, Mengjin

AU - Benson, Eric

AU - Li, Zijian

AU - Yan, Yanfa

AU - Zhao, Yixin

PY - 2015/5/7

Y1 - 2015/5/7

N2 - 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 the precursor solution, suggesting an unusual crystal growth mechanism.

AB - 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 the precursor solution, suggesting an unusual crystal growth mechanism.

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U2 - 10.1039/C5CC01835H

DO - 10.1039/C5CC01835H

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VL - 51

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JO - Chemical Communications

JF - Chemical Communications

IS - 37

ER -

A Facile Solvothermal Growth of Single Crystal Mixed Halide Perovskite CH3NH3Pb(Br1-xClx)3

Abstract

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