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Blue Perovskite Light‐Emitting Devices: Blue Perovskite Nanocrystal Light‐Emitting Devices via the Ligand Exchange with Adamantane Diamine (Advanced Optical Materials 13/2020)
Author(s) -
Chiba Takayuki,
Ishikawa Shota,
Sato Jun,
Takahashi Yoshihito,
Ebe Hinako,
Ohisa Satoru,
Kido Junji
Publication year - 2020
Publication title -
advanced optical materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.89
H-Index - 91
ISSN - 2195-1071
DOI - 10.1002/adom.202070054
Subject(s) - materials science , electroluminescence , photoluminescence , nanocrystal , quantum yield , perovskite (structure) , adamantane , light emitting diode , ligand (biochemistry) , diamine , luminescence , halide , denticity , photochemistry , optoelectronics , crystallography , fluorescence , nanotechnology , inorganic chemistry , chemistry , optics , polymer chemistry , organic chemistry , metal , biochemistry , physics , receptor , layer (electronics) , metallurgy
In article number 2000289, Takayuki Chiba, Junji Kido and co‐workers demonstrate the development of mixed‐halide CsPb(Cl/Br) 3 nanocrystals (NCs) by ligand exchange with adamantane‐1,3‐diamine (ADDA) having a bidentate structure for the use in blue light‐emitting devices (LEDs). The ligand exchange of CsPb(Cl/Br) 3 NCs with ADDA improves photoluminescence quantum yield. Blue LEDs based on CsPb(Cl/Br) 3 NCs with ADDA reached a maximum external quantum efficiency of 1.1% at electroluminescence wavelength of 456 nm.