A stable pseudomorphic phase of alpha-quaterthiophene, a well known organic semiconductor, is obtained by growing films with organic molecular beam epitaxy (OMBE) on a single crystal of another organic semiconductor, namely, tetracene. The structural characteristics of the new phase are investigated by monitoring in situ the OMBE process by reflectance anisotropy spectroscopy; thus assessing that incommensurate epitaxy is in this case, the driving force for tuning the molecular packing in organic molecular films and in turn, their solid state properties. ©2009 American Institute of Physics
Sassella, A., Borghesi, A., Campione, M., Raimondo, L., Goletti, C., Bussetti, G., et al. (2009). Pseudomorphic growth of organic semiconductor thin films driven by incommensurate epitaxy. APPLIED PHYSICS LETTERS, 94, 073307 [10.1063/1.3081413].
Pseudomorphic growth of organic semiconductor thin films driven by incommensurate epitaxy
SASSELLA, ADELE;BORGHESI, ALESSANDRO;CAMPIONE, MARCELLO;RAIMONDO, LUISA;
2009
Abstract
A stable pseudomorphic phase of alpha-quaterthiophene, a well known organic semiconductor, is obtained by growing films with organic molecular beam epitaxy (OMBE) on a single crystal of another organic semiconductor, namely, tetracene. The structural characteristics of the new phase are investigated by monitoring in situ the OMBE process by reflectance anisotropy spectroscopy; thus assessing that incommensurate epitaxy is in this case, the driving force for tuning the molecular packing in organic molecular films and in turn, their solid state properties. ©2009 American Institute of Physics
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