Study of poly(3-hexylthiophene)/cross-linked poly(vinyl alcohol) as semiconductor/insulator for application in low voltage organic field effect transistors

被引：34
作者：
Benvenho, Adriano R. V. [1 ]
Machado, Wagner S. [2 ,3 ]
Cruz-Cruz, Isidro [2 ]
Huemmelgen, Ivo A. [2 ]
机构：
[1] Univ Fed ABC, Ctr Ciencias Nat & Humanas, BR-09210170 Santo Andre, SP, Brazil
[2] Univ Fed Parana, Dept Fis, BR-81531990 Curitiba, Parana, Brazil
[3] Univ Fed Sao Joao del Rei, Dept Ciencias Nat, BR-36301160 Sao Joao Del Rei, MG, Brazil
来源：
JOURNAL OF APPLIED PHYSICS | 2013年 / 113卷 / 21期
基金：
巴西圣保罗研究基金会;
关键词：
THIN-FILM TRANSISTORS; ELECTRICAL CHARACTERIZATION; CROSS-LINKING; HIGH-MOBILITY; PERFORMANCE; POLYMER; DERIVATIVES; INSULATOR;
D O I：
10.1063/1.4809285
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
In this work we study the cross-linked poly(vinyl alcohol)/poly(3-hexylthiophene) interfacial properties of an organic field effect transistor. We use cross-linked poly(vinyl alcohol) prepared with different ammonium dichromate: poly(vinyl alcohol) proportions, ranging from 0% to 35%, as insulator. Using admittance spectroscopy, we show that the interfacial properties change when the ammonium dichromate concentration is altered. The interfacial properties and the better insulation are responsible for the improvement of the device performance in these organic field effect transistors, achieving best performance in the blend with ammonium dichromate: poly(vinyl alcohol) proportion of 0.25:1. (C) 2013 AIP Publishing LLC.
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页数：8
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