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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202005255
|2 doi
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|a pubmed24n1072.xml
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|a (DE-627)NLM321756118
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|a (NLM)33617075
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Jang, Junho
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Extremely Stable Luminescent Crosslinked Perovskite Nanoparticles under Harsh Environments over 1.5 Years
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|c 2021
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Revised 23.02.2021
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2020 Wiley‐VCH GmbH.
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|a Organic-inorganic hybrid perovskite nanoparticles (NPs) are a very strong candidate emitter that can meet the high luminescence efficiency and high color standard of Rec.2020. However, the instability of perovskite NPs is the most critical unsolved problem that limits their practical application. Here, an extremely stable crosslinked perovskite NP (CPN) is reported that maintains high photoluminescence quantum yield for 1.5 years (>600 d) in air and in harsher liquid environments (e.g., in water, acid, or base solutions, and in various polar solvents), and for more than 100 d under 85 °C and 85% relative humidity without additional encapsulation. Unsaturated hydrocarbons in both the acid and base ligands of NPs are chemically crosslinked with a methacrylate-functionalized matrix, which prevents decomposition of the perovskite crystals. Counterintuitively, water vapor permeating through the crosslinked matrix chemically passivates surface defects in the NPs and reduces nonradiative recombination. Green-emitting and white-emitting flexible large-area displays are demonstrated, which are stable for >400 d in air and in water. The high stability of the CPN in water enables biocompatible cell proliferation which is usually impossible when toxic Pb elements are present. The stable materials design strategies provide a breakthrough toward commercialization of perovskite NPs in displays and bio-related applications
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|a Journal Article
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|a crosslinking
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|a defect healing
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|a organic–inorganic hybrid perovskite nanoparticles
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4 |
|a stability
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|a Kim, Young-Hoon
|e verfasserin
|4 aut
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| 700 |
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|a Park, Sunjoong
|e verfasserin
|4 aut
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1 |
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|a Yoo, Dongsuk
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Cho, Hyunjin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Jang, Jinhyeong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Jeong, Han Beom
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lee, Hyunhwan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yuk, Jong Min
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Park, Chan Beum
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Jeon, Duk Young
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kim, Yong-Hyun
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Bae, Byeong-Soo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lee, Tae-Woo
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 33(2021), 3 vom: 01. Jan., Seite e2005255
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
1 |
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|g volume:33
|g year:2021
|g number:3
|g day:01
|g month:01
|g pages:e2005255
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| 856 |
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|u http://dx.doi.org/10.1002/adma.202005255
|3 Volltext
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|d 33
|j 2021
|e 3
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|h e2005255
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