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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202002127
|2 doi
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|a pubmed24n1035.xml
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|a (NLM)32484288
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Hou, Shaocong
|e verfasserin
|4 aut
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|a Ultralong-Range Energy Transport in a Disordered Organic Semiconductor at Room Temperature Via Coherent Exciton-Polariton Propagation
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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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|2 rdacarrier
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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 Amorphous molecular solids are inherently disordered, exhibiting strong exciton localization. Optical microcavities containing such disordered excitonic materials have been theoretically shown to support both propagating and localized exciton-polariton modes. Here, the ultrastrong coupling of a Bloch surface wave photon and molecular excitons in a disordered organic thin film at room temperature is demonstrated, where the major fraction of the polaritons are propagating states. The delocalized exciton-polariton has a group velocity as high as 3 × 107 m s-1 and a lifetime of 500 fs, leading to propagation distances of over 100 µm from the excitation source. The polariton intensity shows a halo-like pattern that is due to self-interference of the polariton mode, from which a coherence length of 20 µm is derived and is correlated with phase breaking by polariton scattering. The demonstration of ultralong-range exciton-polariton transport at room temperature promises new photonic and optoelectronic applications such as efficient energy transfer in disordered condensed matter systems
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|a Journal Article
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|a disordered materials
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|a energy transport
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|a exciton-polaritons
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|a organic semiconductors
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| 650 |
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4 |
|a ultrastrong coupling
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1 |
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|a Khatoniar, Mandeep
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ding, Kan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Qu, Yue
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Napolov, Alexander
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Menon, Vinod M
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Forrest, Stephen R
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 32(2020), 28 vom: 02. Juli, Seite e2002127
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
1 |
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|g volume:32
|g year:2020
|g number:28
|g day:02
|g month:07
|g pages:e2002127
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|u http://dx.doi.org/10.1002/adma.202002127
|3 Volltext
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