Optical and electrical properties of arylenevinylene compounds thin films prepared by vacuum evaporation

被引：5
|
作者：
Rasoga, O. [1 ,3 ]
Vacareanu, L. [2 ]
Grigoras, M. [2 ]
Enculescu, M. [1 ]
Socol, M. [1 ]
Stanculescu, F. [3 ]
Ionita, I. [3 ]
Stanculescu, A. [1 ]
机构：
[1] Natl Inst Mat Phys, Bucharest 077125, Romania
[2] P Poni Inst Macromol Chem, Iasi 700487, Romania
[3] Univ Bucharest, Fac Phys, Bucharest 077125, Romania
来源：
SYNTHETIC METALS | 2012年 / 161卷 / 23-24期
关键词：
Organic thin films; Conjugated oligomers; Optical properties; Electrical properties; TRIPHENYLAMINE; DERIVATIVES; FLUORESCENCE; TRANSPORT; 2-PHOTON;
D O I：
10.1016/j.synthmet.2011.10.001
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This paper discusses the properties of two arylenevinylene oligomers thin films deposited by vacuum evaporation on different substrates. The morphology of the thin films was investigated by scanning electron microscopy and atomic force microscopy, and the optical properties by UV-Vis and fluorescence spectroscopy. The optical nonlinear phenomenon of two-photon absorption induced fluorescence has been evidenced in the thin films of these compounds. We have also investigated the electrical properties of semiconductor/insulator/semiconductor (ITO/oligomer/Si) heterostructures in correlation with the contact energetic barriers, morphological and structural properties of the layers. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：2612 / 2617
页数：6
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