Biodegradable Natural Pectin-Based Polysaccharide-Gated Low-Voltage Flexible Oxide Thin-Film Transistors for Logic Applications

被引：2
作者：
Liu, Yanghui [1 ]
Li, Fangzhou [1 ]
Guo, Jianmiao [1 ]
Liang, Linzi [1 ]
Liu, Kekang [1 ]
Liu, Ning [2 ]
机构：
[1] Sun Yat Sen Univ, Sch Mat, State Key Lab Optoelect Mat & Technol, Guangzhou 510275, Peoples R China
[2] Nanchang Inst Technol, Sch Sci, Nanchang 330029, Peoples R China
来源：
ACS APPLIED ELECTRONIC MATERIALS | 2022年 / 4卷 / 08期
关键词：
biodegradable; electric double layer; flexible electronics; logic gates; oxide thinffilm transistors;
D O I：
10.1021/acsaelm.2c00687
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：
Electronic waste is one of the fastest growing kinds of waste in the world, and to reduce which, the biodegradable electronics are regarded as an important eco-friendly alternative to the environmentally hazardous ones. Here, biodegradable indium-tin-oxide (ITO) thin-film transistors (TFTs) are fabricated on flexible PET substrates with pectin-based polysaccharide films taken as gate dielectrics. For the basic performance, such biodegradable TFTs have not only exhibited excellent characteristics such as a low operating voltage of 1.0 V, a high current ON/OFF ratio (> 10(7)), a low subthreshold swing of 80 mV/dec, and a carrier mobility of 14.5 cm(2)V(-1) s(-1), but have also realized several important logic operations, such as NOT, AND, NAND, and so on. Additionally, for the eco-friendly purpose, the TFT arrays can be completely dissolved in water within 20 min. Based on the results achieved, the pectin-based biodegradable oxide transistors prepared here are expected to provide a possible choice for the fabrication of biodegradable electronics by using natural biomaterials.
引用
收藏
页码：4061 / 4067
页数：7
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