Redox gated polymer memristive processing memory unit

Bin Zhang, Fei Fan, Wuhong Xue, Gang Liu (), Yubin Fu (), Xiaodong Zhuang, Xiao-Hong Xu, Junwei Gu, Run-Wei Li and Yu Chen ()
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Bin Zhang: East China University of Science and Technology
Fei Fan: East China University of Science and Technology
Wuhong Xue: Shanghai Jiao Tong University
Gang Liu: Shanghai Jiao Tong University
Yubin Fu: Technische Universität Dresden
Xiaodong Zhuang: Shanghai Jiao Tong University
Xiao-Hong Xu: Shanxi Normal University
Junwei Gu: Northwestern Polytechnical University
Run-Wei Li: Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences
Yu Chen: East China University of Science and Technology

Nature Communications, 2019, vol. 10, issue 1, 1-11

Abstract: Abstract Memristors with enormous storage capacity and superior processing efficiency are of critical importance to overcome the Moore’s Law limitation and von Neumann bottleneck problems in the big data and artificial intelligence era. In particular, the integration of multifunctionalities into a single memristor promises an essential strategy of obtaining a high-performance electronic device that satisfies the nowadays increasing demands of data storage and processing. In this contribution, we report a proof-of-concept polymer memristive processing-memory unit that demonstrates programmable information storage and processing capabilities. By introducing redox active moieties of triphenylamine and ferrocene onto the pendants of fluorene skeletons, the conjugated polymer exhibits triple oxidation behavior and interesting memristive switching characteristics. Associated with the unique electrochemical and electrical behavior, the polymer device is capable of executing multilevel memory, decimal arithmetic operations of addition, subtraction, multiplication and division, as well as simple Boolean logic operations.

Date: 2019
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DOI: 10.1038/s41467-019-08642-y

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