期刊
SOLID STATE SCIENCES
卷 71, 期 -, 页码 146-151出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.solidstatesciences.2017.07.015
关键词
Rubrene; Polymorphism; Raman microscopy; Lattice phonons; Organic semiconductors
Confocal Raman microscopy in the lattice phonon region has been used to study the polymorphism of the organic semiconductor 5,6,11,12-tetraphenyl-tetracene (rubrene). Following literature guidelines, crystals of rubrene have been prepared using a number of solution growth and vapour deposition methods, obtaining samples of different morphologies which could be related to the various polymorphs of this compound. The technique has enabled us an easy and non invasive identification of the three known polymorphs and of their phase homogeneity with a lateral spatial resolution below 1 mu m. (C) 2017 Elsevier Masson SAS. All rights reserved.
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