Ultralow-Power and Multisensory Artificial Synapse Based on Electrolyte-Gated Vertical Organic Transistors

被引：111

作者：

Liu, Guocai ^{[1
,2
]}

Li, Qingyuan ^{[1
,2
]}

Shi, Wei ^{[1
]}

Liu, Yanwei ^{[1
,2
]}

Liu, Kai ^{[1
]}

Yang, Xueli ^{[1
,2
]}

Shao, Mingchao ^{[1
,2
]}

Guo, Ankang ^{[1
,2
]}

Huang, Xin ^{[1
]}

Zhang, Fan ^{[1
]}

Zhao, Zhiyuan ^{[1
]}

Guo, Yunlong ^{[1
]}

Liu, Yunqi ^{[1
,2
]}

机构：

[1] Chinese Acad Sci, CAS Key Lab Organ Solids, Beijing Natl Lab Mol Sci, Inst Chem, Beijing 100190, Peoples R China

[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China

来源：

ADVANCED FUNCTIONAL MATERIALS | 2022年 / 32卷 / 27期

基金：

国家重点研发计划; 中国国家自然科学基金;

关键词：

artificial synapses; electrolyte gates; multiple perceptions; ultralow energy consumption; vertical organic field-effect transistors; MEMRISTOR; NETWORK;

D O I：

10.1002/adfm.202200959

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Bioinspired electronics have shown great potential in the field of artificial intelligence and brain-like science. Low energy consumption and multifunction are key factors for its application. Here, multisensory artificial synapse and neural networks based on electrolyte-gated vertical organic field-effect transistors (VOFETs) are first developed. The channel length of the organic transistor is scaled down to 30 nm through cross-linking strategy. Owing to the short channel length and extremely large capacitance of the electric double layer formed at the electrolyte-channel interface, the minimum power consumption of one synaptic event is 0.06 fJ, which is significantly lower than that required by biological synapses (1-10 fJ). Moreover, the artificial synapse can be trained to learn and memory images in a 5 x 5 synapse array and emulate the human brain's spatiotemporal information processing and sound azimuth detection. Finally, the artificial tongue is designed using the synaptic transistor that can discriminate acidity. Overall, this study provides new insights into realizing energy-efficient artificial synapses and mimicking biological sensory systems.

引用

页数：10

共 42 条

[11] Polymers with Side Chain Porosity for Ultrapermeable and Plasticization Resistant Materials for Gas Separations [J].