Low-Power Double-Gate ZnO TFT Active Rectifier

被引:10
|
作者
Sun, Kaige G. [1 ]
Choi, Kyusun [2 ]
Jackson, Thomas N. [1 ]
机构
[1] Penn State Univ, Dept Elect Engn, Ctr Thin Film Devices, Mat Res Inst, University Pk, PA 16802 USA
[2] Penn State Univ, Dept Comp Sci & Engn, University Pk, PA 16802 USA
基金
美国国家科学基金会;
关键词
Active rectifier; thin film transistors; TFT; double gate; plasma-enhanced atomic layer deposition; zinc oxide; ZnO TFTs; oxide TFTs; oxide semiconductor transistors; energy harvesting; ENERGY;
D O I
10.1109/LED.2016.2527832
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
This letter reports a low-power full-wave active rectifier using double-gate ZnO thin-film transistors (TFTs). The active rectifier is designed to operate at low voltage and low power to allow integration with mechanical energy harvesters. Double-gate TFTs allow the TFT threshold voltage to be tuned and enable enhancement/depletion-mode circuits with high gain and low power consumption. The active rectifier is designed to work with input voltage as small as 200-mV peak-to-peak and frequencies up to 4 Hz. The active rectifier circuit includes 12 TFTs and operates with a power consumption <150 nW. The low fabrication temperature for the active rectifier circuit allows direct and distributed integration with micro-electromechanical energy harvesters.
引用
收藏
页码:426 / 428
页数:3
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