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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.
|Number of pages||5|
|Journal||Applied Physics Letters|
|Publication status||Published - 12 Apr 2017|
- organic materials
- organic semiconductors
- optical properties
- metal-clad microcavities
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- 1 Finished
Gallium nitride enabled hybrid and flexible photonics
Dawson, M., Calvez, S., Gu, E., Martin, R., Skabara, P. & Watson, I.
EPSRC (Engineering and Physical Sciences Research Council)
1/04/11 → 31/03/15
Data for: "Influence of optical material properties on strong coupling in organic semiconductor based microcavities"
Tropf, L. (Creator), Dietrich, C. P. (Creator), Herbst, S. (Creator), Kanibolotskyy, O. (Creator), Skabara, P. (Creator), Würthner, F. (Creator), Samuel, I. (Creator), Gather, M. C. (Creator) & Höfling, S. (Creator), University of St Andrews, 1 Oct 2017