Imbedded Nanocrystals of CsPbBr3 in Cs4 PbBr6 : Kinetics, Enhanced Oscillator Strength, and Application in Light-Emitting Diodes

© 2017 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 29(2017), 43 vom: 07. Nov.
1. Verfasser: Xu, Junwei (VerfasserIn)
Weitere Verfasser: Huang, Wenxiao, Li, Peiyun, Onken, Drew R, Dun, Chaochao, Guo, Yang, Ucer, Kamil B, Lu, Chang, Wang, Hongzhi, Geyer, Scott M, Williams, Richard T, Carroll, David L
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2017
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article excitonic kinetics lead halide perovskites light-emitting diodes nanoinclusions oscillator strength
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520 |a Solution-grown films of CsPbBr3 nanocrystals imbedded in Cs4 PbBr6 are incorporated as the recombination layer in light-emitting diode (LED) structures. The kinetics at high carrier density of pure (extended) CsPbBr3 and the nanoinclusion composite are measured and analyzed, indicating second-order kinetics in extended and mainly first-order kinetics in the confined CsPbBr3 , respectively. Analysis of absorption strength of this all-perovskite, all-inorganic imbedded nanocrystal composite relative to pure CsPbBr3 indicates enhanced oscillator strength consistent with earlier published attribution of the sub-nanosecond exciton radiative lifetime in nanoprecipitates of CsPbBr3 in melt-grown CsBr host crystals and CsPbBr3 evaporated films 
650 4 |a Journal Article 
650 4 |a excitonic kinetics 
650 4 |a lead halide perovskites 
650 4 |a light-emitting diodes 
650 4 |a nanoinclusions 
650 4 |a oscillator strength 
700 1 |a Huang, Wenxiao  |e verfasserin  |4 aut 
700 1 |a Li, Peiyun  |e verfasserin  |4 aut 
700 1 |a Onken, Drew R  |e verfasserin  |4 aut 
700 1 |a Dun, Chaochao  |e verfasserin  |4 aut 
700 1 |a Guo, Yang  |e verfasserin  |4 aut 
700 1 |a Ucer, Kamil B  |e verfasserin  |4 aut 
700 1 |a Lu, Chang  |e verfasserin  |4 aut 
700 1 |a Wang, Hongzhi  |e verfasserin  |4 aut 
700 1 |a Geyer, Scott M  |e verfasserin  |4 aut 
700 1 |a Williams, Richard T  |e verfasserin  |4 aut 
700 1 |a Carroll, David L  |e verfasserin  |4 aut 
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856 4 0 |u http://dx.doi.org/10.1002/adma.201703703  |3 Volltext 
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