4 years ago

Methylammonium Lead Bromide Perovskite Light-Emitting Diodes by Chemical Vapor Deposition

Methylammonium Lead Bromide Perovskite Light-Emitting Diodes by Chemical Vapor Deposition
Chuanjiang Qin, Luis K. Ono, Chihaya Adachi, Yan Jiang, Yabing Qi, Emilio J. Juarez-Perez, Longbin Qiu, Lingqiang Meng, Matthew R. Leyden
Organo-lead-halide perovskites are promising materials for optoelectronic applications. Perovskite solar cells have reached power conversion efficiencies of over 22%, and perovskite light-emitting diodes have recently achieved over 11% external quantum efficiency. To date, most research on perovskite light-emitting diodes has focused on solution-processed films. There are many advantages of a vapor-based growth process to prepare perovskites, including ease of patterning, ability to batch process, and material compatibility. We investigated an all-vapor perovskite growth process by chemical vapor deposition and demonstrated luminance up to 560 cd/m2.

Publisher URL: http://dx.doi.org/10.1021/acs.jpclett.7b01093

DOI: 10.1021/acs.jpclett.7b01093

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