NDLI: Highly Emissive Green Perovskite Nanocrystals in a Solid State Crystalline Matrix.

Content Provider	Semantic Scholar
Author	Quan, Li Na Quintero-Bermudez, Rafael Voznyy, Oleksandr Walters, Grant Jain, Ankit Fan, James Z. Zheng, Xueli Yang, Zhenyu Sargent, Edward H.
Copyright Year	2017
Abstract	Perovskite nanocrystals (NCs) have attracted attention due to their high photoluminescence quantum yield (PLQY) in solution; however, maintaining high emission efficiency in the solid state remains a challenge. This study presents a solution-phase synthesis of efficient green-emitting perovskite NCs (CsPbBr3 ) embedded in robust and air-stable rhombic prism hexabromide (Cs4 PbBr6 ) microcrystals, reaching a PLQY of 90%. Theoretical modeling and experimental characterization suggest that lattice matching between the NCs and the matrix contribute to improved passivation, while spatial confinement enhances the radiative rate of the NCs. In addition, dispersing the NCs in a matrix prevents agglomeration, which explains their high PLQY.
File Format	PDF HTM / HTML
DOI	10.1002/adma.201605945
Alternate Webpage(s)	http://www.light.utoronto.ca/edit/files/quan_et_al-2017-advanced_materials.pdf
PubMed reference number	28370565
Alternate Webpage(s)	https://doi.org/10.1002/adma.201605945
Journal	Medline
Volume Number	29
Issue Number	21
Journal	Advanced materials
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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