3 years ago

Elucidating the Methylammonium (MA) Conformation in MAPbBr3 Perovskite with Application in Solar Cells

Elucidating the Methylammonium (MA) Conformation in MAPbBr3 Perovskite with Application in Solar Cells
José A. Alonso, Carlos A. López, Francois Fauth, Andres Castellanos-Gomez, María T. Fernández-Díaz, Patricia Gant, Paula Kayser, María Consuelo Alvarez-Galván, María Victoria Martínez-Huerta
Hybrid MAPbBr3 perovskite is a promising material for the new generation of solar cells. The MA conformation inside the perovskite cage across the phase transitions observed below room temperature has been investigated by synchrotron XRD data and neutron diffraction to locate the protons of MA units. We present a consistent picture of the structural features of this fascinating material, complementary to photocurrent measurements from a photodetector device, demonstrating the potential of MAPbBr3 in optoelectronics.

Publisher URL: http://dx.doi.org/10.1021/acs.inorgchem.7b02344

DOI: 10.1021/acs.inorgchem.7b02344

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