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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1021/acs.chemmater.0c01004
|2 doi
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|a pubmed24n1039.xml
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|a (DE-627)NLM311733948
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|a (NLM)32595266
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|a eng
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|a Noculak, Agnieszka
|e verfasserin
|4 aut
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|a Bright Blue and Green Luminescence of Sb(III) in Double Perovskite Cs2MInCl6 (M = Na, K) Matrices
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|c 2020
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Revised 30.06.2020
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Copyright © 2020 American Chemical Society.
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|a The vast structural and compositional space of metal halides has recently become a major research focus for designing inexpensive and versatile light sources; in particular, for applications in displays, solid-state lighting, lasing, etc. Compounds with isolated ns2-metal halide centers often exhibit bright broadband emission that stems from self-trapped excitons (STEs). The Sb(III) halides are attractive STE emitters due to their low toxicity and oxidative stability; however, coupling these features with an appropriately robust, fully inorganic material containing Sb3+ in an octahedral halide environment has proven to be a challenge. Here, we investigate Sb3+ as a dopant in a solution-grown metal halide double perovskite (DP) matrix, namely Cs2MInCl6:xSb (M = Na, K, x = 0-100%). Cs2KInCl6 is found to crystallize in the tetragonal DP phase, unlike Cs2NaInCl6 that adopts the traditional cubic DP structure. This structural difference results in distinct emission colors, as Cs2NaInCl6:xSb and Cs2KInCl6:xSb compounds exhibit broadband blue and green emissions, respectively, with photoluminescence quantum yields (PLQYs) of up to 93%. Spectroscopic and computational investigations confirm that this efficient emission originates from Sb(III)-hosted STEs. These fully inorganic DP compounds demonstrate that Sb(III) can be incorporated as a bright emissive center for stable lighting applications
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|a Journal Article
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|a Morad, Viktoriia
|e verfasserin
|4 aut
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1 |
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|a McCall, Kyle M
|e verfasserin
|4 aut
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|a Yakunin, Sergii
|e verfasserin
|4 aut
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|a Shynkarenko, Yevhen
|e verfasserin
|4 aut
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|a Wörle, Michael
|e verfasserin
|4 aut
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|a Kovalenko, Maksym V
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Chemistry of materials : a publication of the American Chemical Society
|d 1998
|g 32(2020), 12 vom: 23. Juni, Seite 5118-5124
|w (DE-627)NLM098194763
|x 0897-4756
|7 nnns
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| 773 |
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|g volume:32
|g year:2020
|g number:12
|g day:23
|g month:06
|g pages:5118-5124
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|u http://dx.doi.org/10.1021/acs.chemmater.0c01004
|3 Volltext
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|a AR
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|d 32
|j 2020
|e 12
|b 23
|c 06
|h 5118-5124
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