Electrochemical Thin‐Film Transistors using Covalent Organic Framework Channel
Source abstract
Abstract
Abstract Covalent organic framework (COF) thin films have been successfully prepared and utilized as a channel material in electrical double‐layer (EDL) electrochemical transistors. 4,4′‐azodianiline (Azo) and 1,3,5‐triformylphloroglucinol(Tp) precursors are introduced to prepare azo (NN) functionalized ß‐keto‐enamine COF (Tp‐Azo) thin films. The EDL transistor exhibits a switching ratio of 103 times, a low threshold voltage of 0.6 V, and a field‐effect mobility of 0.53 cm2 V−1 s−1. The dynamic behavior of the transistor under different input signals shows responses, which are very similar to the biological synaptic behavior, indicating that the COF devices can be used as artificial synapses. This report opens a new direction in covalent–organic framework development in iontronic applications.
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Research context
OpenAlex topics: Covalent Organic Framework Applications · Metal-Organic Frameworks: Synthesis and Applications · Conducting polymers and applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Materials Science and Engineering King Abdullah University of Science and Technology (KAUST) Thuwal 23955‐6900 Saudi Arabia
Physical Science and Engineering Division Advanced Membranes and Porous Materials Center King Abdullah University of Science and Technology (KAUST) Thuwal 23955‐6900 Saudi Arabia
Technische Universität Berlin Straße des 17. Juni 135 10623 Berlin Germany
Core Labs King Abdullah University of Science & Technology (KAUST) Thuwal 23955‐6900 Saudi Arabia
Funding
King Abdullah University of Science and Technology
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