White light emission in Bi3+/Mn2+ ion co-doped CsPbCl3 perovskite nanocrystals
Shao H.1; Bai X.1; Cui H.1; Pan G.1; Jing P.2; Qu S.2; Zhu J.1; Zhai Y.1; Dong B.1; Song H.1
Source PublicationNanoscale
ISSN20403372 20403364
AbstractColloidal perovskite nanocrystals (NCs), especially the fully inorganic cesium lead halide (CsPbX, X = Cl, Br, I) NCs, have been considered as promising candidates for lighting and display applications due to their narrow band emission, tunable band gap and high photoluminescence quantum yields (QYs). However, owing to the anion exchange in the CsPbX NCs, stable multi-color and white light emissions are difficult to achieve, thus limiting their practical optoelectronic applications. In this work, dual ion Bi/Mn codoped CsPbCl perovskite NCs were prepared through the hot injection method for the first time to the best of our knowledge. Through simply adjusting the doping ion concentrations, the codoped NCs exhibited tunable emissions spanning the wide range of correlated color temperature (CCT) from 19000 K to 4250 K under UV excitation. This interesting spectroscopic behaviour benefits from efficient energy transfer from the perovskite NC host to the intrinsic energy levels of Bi or Mn doping ions. Finally, taking advantage of the cooperation between the excitonic transition of the CsPbCl perovskite NC host and the intrinsic emissions from Bi and Mn ions, white light emission with the Commission Internationale de l'Eclairage (CIE) color coordinates of (0.33, 0.29) was developed in the codoped CsPbCl NCs.
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Cited Times [WOS]:46   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
Affiliation1.Jilin University
2.Changchun Institute of Optics Fine Mechanics and Physics Chinese Academy of Sciences
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Shao H.,Bai X.,Cui H.,et al. White light emission in Bi3+/Mn2+ ion co-doped CsPbCl3 perovskite nanocrystals[J]. Nanoscale,2018,10(3):1023-1029.
APA Shao H..,Bai X..,Cui H..,Pan G..,Jing P..,...&Song H..(2018).White light emission in Bi3+/Mn2+ ion co-doped CsPbCl3 perovskite nanocrystals.Nanoscale,10(3),1023-1029.
MLA Shao H.,et al."White light emission in Bi3+/Mn2+ ion co-doped CsPbCl3 perovskite nanocrystals".Nanoscale 10.3(2018):1023-1029.
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