Bio-inspired coplanar-gate-coupled ITO-free oxide-based transistors employing natural nontoxic bio-polymer electrolyte

被引：20

作者：

Zheng, Zhouming ^{[1
]}

Jiang, Jie ^{[1
]}

Guo, Junjie ^{[1
]}

Yang, Junliang ^{[1
]}

Gao, Yongli ^{[1
]}

机构：

[1] Cent S Univ, Sch Phys & Elect, Hunan Key Lab Super Microstruct & Ultrafast Proc, Changsha 410083, Hunan, Peoples R China

来源：

ORGANIC ELECTRONICS | 2016年 / 37卷

基金：

美国国家科学基金会; 中国国家自然科学基金;

关键词：

Bio-inspired; Coplanar-gate-coupled; Electric-double-layer; Chitosan; Thin-film transistors; THIN-FILM TRANSISTORS; FIELD-EFFECT TRANSISTORS; TIO2; NANOPARTICLES; SOLAR-CELLS; LAYER; EFFICIENT; VOLTAGE;

D O I：

10.1016/j.orgel.2016.07.024

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Bio-inspired coplanar-gate-coupled indium-tin-oxide (ITO)-free thin-film transistors (TFTs) are demonstrated by employing natural nontoxic bio-polymer electrolyte. Effective coplanar-gate coupling is realized through bottom-conducting fluorine-tin-oxide layer due to the strong electric-double-layer (EDL) effect in chitosan-based electrolyte dielectric. The optimized channel thickness (similar to 30 nm) gives the best performance with a low subthreshold swing of 0.22 V/dec, a high on-off ratio of 10(4), and a field-effect mobility of 3.53 cm(2)/V. Furthermore, the mechanism of coplanar multi-gate coupling in such TFTs is proposed by using an equivalent circuit composed of multiple paralleling EDL capacitors in series with an additional EDL capacitor. These results present a great step toward the potential applications for the next-generation green bio-compatible low-cost transparent coplanar-gate-integrated electronics. (C) 2016 Elsevier B.V. All rights reserved.

引用

页码：474 / 478

页数：5

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