The optical properties of unsubstituted and substituted quaterthiophenes deposited on different substrates by organic molecular beams are described. The absorption spectra of the samples reveal both the molecular beam peak, characteristic of strongly interacting molecules and polarized along a preferential direction in the most ordered films. Likewise, small bands coming from less interacting or misaligned molecules are mostly responsible for the photoluminescence spectra.
Sassella, A., Borghesi, A., Meinardi, F., Riva, D., Tavazzi, S., Tubino, R., et al. (2001). Optical properties of thin films of oligothiophenes deposited by organic molecular beam deposition. SYNTHETIC METALS, 116(1-3), 213-216 [10.1016/S0379-6779(00)00455-0].
Optical properties of thin films of oligothiophenes deposited by organic molecular beam deposition
SASSELLA, ADELE;BORGHESI, ALESSANDRO;MEINARDI, FRANCESCO;TAVAZZI, SILVIA;TUBINO, RICCARDO;
2001
Abstract
The optical properties of unsubstituted and substituted quaterthiophenes deposited on different substrates by organic molecular beams are described. The absorption spectra of the samples reveal both the molecular beam peak, characteristic of strongly interacting molecules and polarized along a preferential direction in the most ordered films. Likewise, small bands coming from less interacting or misaligned molecules are mostly responsible for the photoluminescence spectra.
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