Fully Printed Flexible Audio System on the Basis of Low-Voltage Polymeric Organic Field Effect Transistors with Three Layer Dielectric

被引：21
|
作者：
Schmidt, Georg C. [1 ]
Hoeft, Daniel [1 ]
Haase, Katherina [1 ]
Bellmann, Maxi [1 ]
Kheradmand-Boroujeni, Bahman [2 ]
Hassinen, Tomi [3 ]
Sandberg, Henrik [3 ]
Ellinger, Frank [2 ]
Huebler, Arved C. [1 ]
机构：
[1] Tech Univ Chemnitz, Inst Print & Media Technol, D-09126 Chemnitz, Germany
[2] Tech Univ Dresden, Chair Circuit Design & Network Theory, D-01069 Dresden, Germany
[3] VTT Tech Res Ctr Finland, Printed & Hybrid Funct, Espoo 02150, Finland
来源：
JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS | 2015年 / 53卷 / 20期
关键词：
fluoropolymers; blends; conducting polymers; dielectric properties; interfaces; processing; surfactants; THIN-FILM TRANSISTORS; FERROELECTRIC POLYMERS; ENERGY DENSITY; RELIABILITY; GRAVURE;
D O I：
10.1002/polb.23778
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Fully mass printed, flexible and truly polymeric organic field effect transistors consisting of a three layer dielectric made of CYTOP (low-k), PVA (intermediate) and P(VDF-TrFE-CTFE)(high-k) are introduced. Gravure-, flexo- and screen printing were selected as highly productive manufacturing technologies. These OFETs work at strongly reduced voltages and show high field effect mobility (mu = 0.2 cm(2)/Vs) and remarkable good bias stress stability at very high current density (50 mu A/mm). Fully printed OFETs are used for the realization of ring oscillators working in the kHz regime at reduced supply voltage (10 V). In combination with printed fully polymeric piezoelectric loudspeakers, this work shows for the first time fully printed flexible audio systems. (C) 2015 Wiley Periodicals, Inc.
引用
收藏
页码：1409 / 1415
页数：7
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