Single crystals of the organic semiconductor perylene tetracarboxylic dianhydride studied by Raman spectroscopy

被引：70

作者：

Tenne, DA ^{[2
]}

Park, S

Kampen, TU

Das, A

Scholz, R

Zahn, DRT

机构：

[1] Russian Acad Sci, Inst Semicond Phys, Novosibirsk 630090, Russia

[2] Tech Univ Chemnitz, Inst Phys, D-09107 Chemnitz, Germany

来源：

PHYSICAL REVIEW B | 2000年 / 61卷 / 21期

关键词：

D O I：

10.1103/PhysRevB.61.14564

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We present Raman studies of the vibrational properties of 3,4,9,10-perylene tetracarboxylic dianhydride (PTCDA) single crystals. Davydov splitting of internal molecular vibrations due to the interaction of two molecules in a unit cell was observed. Features of PTCDA crystal lattice vibrations in the low-frequency region of the Raman spectra are reported. PTCDA films deposited on passivated Si and GaAs surfaces also reveal the specific features of crystalline structure: Davydov splitting and appearance of phonon lines in Raman spectra.

引用

页码：14564 / 14569

页数：6

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