Electrical, optical and morphological properties of a new chromogenic calix[4]arene derivative

被引：1
|
作者：
Ebdelli, R. [1 ,2 ]
Ben Dkhil, S. [1 ]
Azib, T. [3 ]
Ben Chaabane, R. [2 ]
Dumazet-Bonnamour, I. [4 ]
Ben Ouada, H. [2 ]
Davenas, J. [1 ]
机构：
[1] Univ Lyon 1, UMR CNRS 5223, Polymer Mat Engn Lab IMP, F-69622 Villeurbanne, France
[2] Fac Sci Monastir, LIMA, Monastir 5000, Tunisia
[3] ICMPE CMTR, CNRS UMR 7182, F-94320 Paris, France
[4] Univ Lyon 1, ICBMS, UMR CNRS 5246, F-69622 Villeurbanne, France
来源：
SYNTHETIC METALS | 2014年 / 197卷
关键词：
Chromogenic calix[4]arene; Thin films; Optical properties; Electrical properties; Morphological properties; PHOTOVOLTAIC PERFORMANCE; CALIXARENES; REMOVAL; NANOPARTICLES; RECOGNITION; DICHROMATE; LANGMUIR; SENSOR;
D O I：
10.1016/j.synthmet.2014.09.007
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We have studied electrical properties of ITO/azo-calix[4]arene/Al diodes by means of current voltage measurement and impedance spectroscopy in a wide frequency range. The devices with an ITO/azo-calix[4]arene/Al structure could be modeled as a simple combination of resistors and capacitors. The impedance spectra can be discussed in terms of an equivalent circuit model designed as a parallel resistor R-p and capacitor C-p network in series with resistor R-s. We extract numerical values of these parameters by fitting experimental data. Relaxation processes have been identified too from the impedance spectroscopy. Their values deduced from fitting experimental data to the model have given a dielectric relaxation time in the ms range and an exponential trap distribution. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：112 / 118
页数：7
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