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Journal of Materials Science

Erschienen in:

18.03.2020 | Electronic materials

Green and sky blue perovskite light-emitting devices with a diamine additive

verfasst von: Lihong He, Zewu Xiao, Xiaoli Yang, Yanting Wu, Yajun Lian, Xuefeng Peng, Xiaohui Yang

Erschienen in: Journal of Materials Science | Ausgabe 18/2020

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Abstract

Low-dimensional perovskite materials are gaining broad interest for the development of high-performance optoelectronic devices due to their improved stability and rich compositions. Herein, we investigate the surface morphology, crystal structure, photo-physics, and electroluminescence properties of 1,4-diaminobutane hydrobromide (BDADBr)-derived quasi-two-dimensional perovskites. PL maximum is blue-shifted by 30–40 nm, and the photoluminescence quantum yield, photo-stability, and environmental stability of perovskite materials are enhanced upon the addition of BDADBr. Incorporation of a proper amount of polyethylene oxide leads to a two–threefold increase in the maximum EQEs of related green and sky blue light-emitting devices.

Vorheriger Artikel Two-dimensional intrinsic ferromagnetic half-metals: monolayers Mn3X4 (X = Te, Se, S)

Nächster Artikel Enhanced H2S gas sensing properties by the optimization of p-CuO/n-ZnO composite nanofibers

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Titel: Green and sky blue perovskite light-emitting devices with a diamine additive
verfasst von: Lihong He
Zewu Xiao
Xiaoli Yang
Yanting Wu
Yajun Lian
Xuefeng Peng
Xiaohui Yang
Publikationsdatum: 18.03.2020
Verlag: Springer US
Erschienen in: Journal of Materials Science / Ausgabe 18/2020
Print ISSN: 0022-2461
Elektronische ISSN: 1573-4803
DOI: https://doi.org/10.1007/s10853-020-04553-2

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