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231225s2022 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202106276
|2 doi
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|a pubmed24n1108.xml
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|a (NLM)34706113
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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 Lee, Taesoo
|e verfasserin
|4 aut
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| 245 |
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|a Bright and Stable Quantum Dot Light-Emitting Diodes
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|c 2022
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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 27.01.2022
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2021 Wiley-VCH GmbH.
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|a Quantum dot light-emitting diodes (QLEDs) are one of the most promising candidates for next-generation displays and lighting sources, but they are barely used because vulnerability to electrical and thermal stresses precludes high brightness, efficiency, and stability at high current density (J) regimes. Here, bright and stable QLEDs on a Si substrate are demonstrated, expanding their potential application boundary over the present art. First, a tailored interface is granted to the quantum dots, maximizing the quantum yield and mitigating nonradiative Auger decay of the multiexcitons generated at high-J regimes. Second, a heat-endurable, top-emission device architecture is employed and optimized based on optical simulation to enhance the light outcoupling efficiency. The multilateral approaches realize that the red top-emitting QLEDs exhibit a maximum luminance of 3 300 000 cd m-2 , a current efficiency of 75.6 cd A-1 , and an operational lifetime of 125 000 000 h at an initial brightness of 100 cd m-2 , which are the highest of the values reported so far
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|a Journal Article
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|a continuously graded quantum dots
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4 |
|a heat dissipation
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|a high-luminance
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| 650 |
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|a multiexciton suppression
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|a quantum dot light-emitting diodes
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|a stability
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| 700 |
1 |
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|a Kim, Byong Jae
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lee, Hyunkoo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hahm, Donghyo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Bae, Wan Ki
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lim, Jaehoon
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kwak, Jeonghun
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 34(2022), 4 vom: 01. Jan., Seite e2106276
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
1 |
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|g volume:34
|g year:2022
|g number:4
|g day:01
|g month:01
|g pages:e2106276
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|u http://dx.doi.org/10.1002/adma.202106276
|3 Volltext
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