We examine absorption of light in quaterthiophene crystals for different directions of the ray and wave-normal vector after refraction on the vacuum/crystal interface. Experimental non-normal incidence spectra are reported where different absorption bands show different behaviour as a function of the angle of incidence. This allows to identify those originating from the b(u) Frenkel exciton state. (C) 2004 Elsevier B.V. All rights reserved.
Tavazzi, S., Borghesi, A., Campione, M., Papagni, A., Sassella, A., Spearman, P. (2004). Absorption and propagation of light in quaterthiophene crystals. JOURNAL OF LUMINESCENCE, 110(4), 212-216 [10.1016/j.jlumin.2004.08.011].
Absorption and propagation of light in quaterthiophene crystals
TAVAZZI, SILVIA;BORGHESI, ALESSANDRO;CAMPIONE, MARCELLO;PAPAGNI, ANTONIO;SASSELLA, ADELE;
2004
Abstract
We examine absorption of light in quaterthiophene crystals for different directions of the ray and wave-normal vector after refraction on the vacuum/crystal interface. Experimental non-normal incidence spectra are reported where different absorption bands show different behaviour as a function of the angle of incidence. This allows to identify those originating from the b(u) Frenkel exciton state. (C) 2004 Elsevier B.V. All rights reserved.
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