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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202002387
|2 doi
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|a pubmed24n1035.xml
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|a (NLM)32490592
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|a DE-627
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|e rakwb
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|a eng
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|a Lee, Yeon Ui
|e verfasserin
|4 aut
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|a Low-Loss Organic Hyperbolic Materials in the Visible Spectral Range
|b A Joint Experimental and First-Principles Study
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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 30.09.2020
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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 Verlag GmbH & Co. KGaA, Weinheim.
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|a Hyperbolic media strengthen numerous attractive applications in optics such as super-resolution imaging, enhanced spontaneous emission, and nanoscale waveguiding. Natural hyperbolic materials exist at visible frequencies; however, implementations of these materials suffer substantial compromises resulting from the high loss in the currently available candidates. Here, the first experimental and theoretical investigation of regioregular poly(3-alkylthiophenes) (rr-P3ATs), a naturally low-loss organic hyperbolic material (OHM) in the visible frequency range, is shown. These hyperbolic properties arise from a highly ordered structure of layered electron-rich conjugated thiophene ring backbones separated by insulating alkyl side chains. The optical and electronic properties of the rr-P3AT can be tuned by controlling the degree of crystallinity and alkyl side chain length. First-principles calculations support the experimental observations, which result from the rr-P3AT's structural and optical anisotropy. Conveniently, rr-P3AT-based OHMs are facile to fabricate, flexible, and biocompatible, which may lead to tremendous new opportunities in a wide range of applications
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|a Journal Article
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|a low-loss materials
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|a metamaterials
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|a organic hyperbolic materials
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|a poly(3-alkylthiophenes)
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|a Yim, Kanghoon
|e verfasserin
|4 aut
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|a Bopp, Steven Edward
|e verfasserin
|4 aut
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|a Zhao, Junxiang
|e verfasserin
|4 aut
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|a Liu, Zhaowei
|e verfasserin
|4 aut
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 32(2020), 28 vom: 06. Juli, Seite e2002387
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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|g volume:32
|g year:2020
|g number:28
|g day:06
|g month:07
|g pages:e2002387
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|u http://dx.doi.org/10.1002/adma.202002387
|3 Volltext
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