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231226s2024 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202308032
|2 doi
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|a pubmed24n1277.xml
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|a eng
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|a Feng, Shengnan
|e verfasserin
|4 aut
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|a Complete Suppression of Phase Segregation in Mixed-Halide Perovskite Nanocrystals under Periodic Heating
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|c 2024
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|a Text
|b txt
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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 01.02.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2023 Wiley-VCH GmbH.
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|a Under continuous light illumination, it is known that localized domains with segregated halide compositions form in semiconducting mixed-halide perovskites, thus severely limiting their optoelectronic applications due to the negative changes in bandgap energies and charge-carrier characteristics. Here mixed-halide perovskite CsPbBr1.2 I1.8 nanocrystals are deposited onto an indium tin oxide substrate, whose temperature can be rapidly changed by ≈10 °C in a few seconds by applying or removing an external voltage. Such a sudden temperature change induces a temporary transition of CsPbBr1.2 I1.8 nanocrystals from the segregated phase to the mixed phase, the latter of which can be permanently maintained when the light illumination is coupled with periodic heating cycles. These findings mark the emergence of a practical solution to the detrimental phase-segregation problem, given that a small temperature modulation is readily available in various fundamental studies and practical devices of mixed-halide perovskites
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|a Journal Article
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|a mixed-halide perovskite
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|a nanocrystal
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|a periodic heating
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|a phase remixing
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4 |
|a phase segregation
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|a Ju, Yu
|e verfasserin
|4 aut
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|a Duan, Rentong
|e verfasserin
|4 aut
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|a Man, Zaiqin
|e verfasserin
|4 aut
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|a Li, Shuyi
|e verfasserin
|4 aut
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|a Hu, Fengrui
|e verfasserin
|4 aut
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|a Zhang, Chunfeng
|e verfasserin
|4 aut
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|a Tao, Shuxia
|e verfasserin
|4 aut
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|a Zhang, Weihua
|e verfasserin
|4 aut
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|a Xiao, Min
|e verfasserin
|4 aut
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| 700 |
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|a Wang, Xiaoyong
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 36(2024), 5 vom: 01. Feb., Seite e2308032
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:36
|g year:2024
|g number:5
|g day:01
|g month:02
|g pages:e2308032
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|u http://dx.doi.org/10.1002/adma.202308032
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