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|a 10.1002/adma.202411449
|2 doi
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|a pubmed25n1266.xml
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|a (DE-627)NLM380302144
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|a DE-627
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|e rakwb
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|a eng
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|a Ma, Jingyao
|e verfasserin
|4 aut
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|a Plasticizer Design Principle of "Like Dissolves Like"
|b Semiconductor Fluid Plasticized Stretchable Fully π-Conjugated Polymers Films for Uniform Large-Area and Flexible Deep-Blue Polymer Light-Emitting Diodes
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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 28.12.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2024 Wiley‐VCH GmbH.
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|a Physical blending of fully π-conjugated polymers (FπCPs) is an effective strategy to achieve intrinsically stretchable films for the fabrication of flexible optoelectronic devices, but easily causes phase separation, nonuniform morphology and uncontrollable photo-electronic processing. This may cause low efficiency, unstable and nonuniform emission, and poor color purity, which are undesirable for deep-blue flexible polymer light-emitting diodes (FPLEDs). Herein, a "Like Dissolves Like" design principle to prepare semiconductor fluid plasticizers (SFPs) is established and intrinsically stretchable FπCPs films via external plasticization for high-performance deep-blue FPLEDs are developed. Three fundamental requirements are proposed, "similar conjugated skeleton, similar molecular polarity, and similar electronic structures," to prepare model-matched nonpolar M1 and polar M2 plasticizers for poly(9,9-dioctylfluorene) (PFO). Large-area plasticized PFO films exhibit an efficient, narrowband, and stable ultra-deep-blue electroluminescence (FWHM < 40 nm, CIE: 0.12, 0.04), uniform morphology, and excellent intrinsic stretchability (fracture strain >20% and crack-onset strain >120%). Efficient and uniform deep-blue FPLEDs based on stretchable PFO films are fabricated with a high brightness of ≈3000 cd cm-2. Finally, blended PFO films exhibit outstanding stretch-deformation cycling stability of their deep-blue electroluminescent behavior, confirming the effectiveness of the "Like Dissolves Like" principle to design matched SFPs for stretchable FπCP films in flexible electronics
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|a Journal Article
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|a deep‐blue flexible polymer light‐emitting diodes
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|a semiconductor fluid plasticizing
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|a stretchable fully π‐conjugated polymers film
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|a uniform deep‐blue emission
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|a “Like Dissolves Like”
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|a Xu, Man
|e verfasserin
|4 aut
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|a Zhuo, Zhiqiang
|e verfasserin
|4 aut
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|a Wang, Kuande
|e verfasserin
|4 aut
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|a Li, Qianyi
|e verfasserin
|4 aut
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|a Li, Hao
|e verfasserin
|4 aut
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|a Feng, Quanyou
|e verfasserin
|4 aut
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|a Chen, Wenyu
|e verfasserin
|4 aut
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|a Yu, Ningning
|e verfasserin
|4 aut
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|a Li, Mengyuan
|e verfasserin
|4 aut
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|a Xie, Linghai
|e verfasserin
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|a Lin, Jinyi
|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), 52 vom: 14. Dez., Seite e2411449
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnas
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| 773 |
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|g volume:36
|g year:2024
|g number:52
|g day:14
|g month:12
|g pages:e2411449
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|u http://dx.doi.org/10.1002/adma.202411449
|3 Volltext
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