Influence of optical material properties on strong coupling in organic semiconductor based microcavities

Laura Tropf; Christof P. Dietrich; Stefanie Herbst; Alexander L. Kanibolotsky; Peter J. Skabara; Frank Würthner; Ifor D. W.  Samuel; Malte C. Gather; Sven Höfling

doi:10.1063/1.4978646

Influence of optical material properties on strong coupling in organic semiconductor based microcavities

Laura Tropf, Christof P. Dietrich, Stefanie Herbst, Alexander L. Kanibolotsky, Peter J. Skabara, Frank Würthner, Ifor D. W. Samuel, Malte C. Gather, Sven Höfling

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Abstract

The optical properties of organic semiconductors are generally characterised by a number of material specific parameters, including absorbance, photoluminescence quantum yield, Stokes shift, and molecular orientation. Here, we study four different organic semiconductors and compare their optical properties to the characteristics of the exciton-polaritons that are formed when these materials are introduced into metal-clad microcavities. We find that the strength of coupling between cavity photons and excitons is clearly correlated with the absorptivity of the material. In addition, we show that anisotropy strongly affects the characteristics of the formed exciton-polaritons.

Original language	English
Article number	153302
Number of pages	5
Journal	Applied Physics Letters
Volume	110
Issue number	15
DOIs	https://doi.org/10.1063/1.4978646
Publication status	Published - 12 Apr 2017

Keywords

organic materials
polaritons
excitons
cavitation
organic semiconductors
optical properties
metal-clad microcavities
anisotropy

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10.1063/1.4978646

Tropf-etal-APL-2017-Influence-of-optical-material-properties-on-strong-couplingFinal published version, 1.21 MB

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title = "Influence of optical material properties on strong coupling in organic semiconductor based microcavities",

abstract = "The optical properties of organic semiconductors are generally characterised by a number of material specific parameters, including absorbance, photoluminescence quantum yield, Stokes shift, and molecular orientation. Here, we study four different organic semiconductors and compare their optical properties to the characteristics of the exciton-polaritons that are formed when these materials are introduced into metal-clad microcavities. We find that the strength of coupling between cavity photons and excitons is clearly correlated with the absorptivity of the material. In addition, we show that anisotropy strongly affects the characteristics of the formed exciton-polaritons.",

keywords = "organic materials, polaritons, excitons, cavitation, organic semiconductors , optical properties, metal-clad microcavities, anisotropy ",

author = "Laura Tropf and Dietrich, {Christof P.} and Stefanie Herbst and Kanibolotsky, {Alexander L.} and Skabara, {Peter J.} and Frank W{\"u}rthner and Samuel, {Ifor D. W.} and Gather, {Malte C.} and Sven H{\"o}fling",

note = "This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. The following article appeared in Tropf, L., Dietrich, C. P., Herbst, S., Kanibolotsky, A. L., Skabara, P. J., W{\"u}rthner, F., ... H{\"o}fling, S. (2017). Influence of optical material properties on strong coupling in organic semiconductor based microcavities. Applied Physics Letters, 110(15), [153302]. and may be found at https://doi.org/10.1063/1.4978646.",

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doi = "10.1063/1.4978646",

language = "English",

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journal = "Applied Physics Letters",

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AU - Tropf, Laura

AU - Dietrich, Christof P.

AU - Herbst, Stefanie

AU - Kanibolotsky, Alexander L.

AU - Skabara, Peter J.

AU - Würthner, Frank

AU - Samuel, Ifor D. W.

AU - Gather, Malte C.

AU - Höfling, Sven

N1 - This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. The following article appeared in Tropf, L., Dietrich, C. P., Herbst, S., Kanibolotsky, A. L., Skabara, P. J., Würthner, F., ... Höfling, S. (2017). Influence of optical material properties on strong coupling in organic semiconductor based microcavities. Applied Physics Letters, 110(15), [153302]. and may be found at https://doi.org/10.1063/1.4978646.

PY - 2017/4/12

Y1 - 2017/4/12

N2 - The optical properties of organic semiconductors are generally characterised by a number of material specific parameters, including absorbance, photoluminescence quantum yield, Stokes shift, and molecular orientation. Here, we study four different organic semiconductors and compare their optical properties to the characteristics of the exciton-polaritons that are formed when these materials are introduced into metal-clad microcavities. We find that the strength of coupling between cavity photons and excitons is clearly correlated with the absorptivity of the material. In addition, we show that anisotropy strongly affects the characteristics of the formed exciton-polaritons.

AB - The optical properties of organic semiconductors are generally characterised by a number of material specific parameters, including absorbance, photoluminescence quantum yield, Stokes shift, and molecular orientation. Here, we study four different organic semiconductors and compare their optical properties to the characteristics of the exciton-polaritons that are formed when these materials are introduced into metal-clad microcavities. We find that the strength of coupling between cavity photons and excitons is clearly correlated with the absorptivity of the material. In addition, we show that anisotropy strongly affects the characteristics of the formed exciton-polaritons.

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KW - excitons

KW - cavitation

KW - organic semiconductors

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JF - Applied Physics Letters

SN - 0003-6951

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Influence of optical material properties on strong coupling in organic semiconductor based microcavities

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