Preparation and properties of the composite material silicon/polypyrrole-copper for electronic devices applications

被引：12
|
作者：
Khaniche, Brahim [1 ]
Benamrani, Hassen [1 ]
Zouaoui, Ahmed [1 ]
Zegadi, Ameur [1 ]
机构：
[1] Univ Ferhat, LCCNS, Setif 19000, Algeria
来源：
MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING | 2014年 / 27卷
关键词：
Polypyrrole; Silicon; Heterostructure devices; Conductive polymer; STRONGLY ADHERENT; POLYPYRROLE; ELECTRODEPOSITION; ELECTROPOLYMERIZATION; PYRROLE; IRON; NANOPARTICLES; COATINGS; FILMS;
D O I：
10.1016/j.mssp.2014.07.027
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The paper presents the results of the elaboration of new composites materials (Si/PPy-Cu) by incorporation of copper in polypyrrole Films. Polymer films have been deposited on silicon electrode surfaces by electrochemical oxidation of the monomer in an organic solution. The incorporation of copper particles in the polymer Film has First been conducted by the immersion of the modified electrode in a copper solution, thereafter; it has been reduced electrochemically in an aqueous solution to disperse metallic particles in the polymer film. The results obtained from cyclic voltammetry and impedance spectroscopy of the films before and after copper incorporation show differences in the electrochemical behavior of the modified films which suggest that Cu particles have been incorporated in the polymer. This has also been confirmed by the electrical resistivity, XRD, SEM and EDX measurements. For a possible application, current-voltage characteristics of the heterostructure devices (Si/PPy-Cu) have indicated a diode behavior similar of power semiconductor diodes. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：689 / 694
页数：6
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