Multistate structures in a hydrogen-bonded polycatenation non-covalent organic framework with diverse resistive switching behaviors

Shimin Chen, Yan Ju, Yisi Yang, Fahui Xiang, Zizhu Yao, Hao Zhang, Yunbin Li, Yongfan Zhang, Shengchang Xiang, Banglin Chen and Zhangjing Zhang ()
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Shimin Chen: Fujian Normal University
Yan Ju: Fujian Normal University
Yisi Yang: Fujian Normal University
Fahui Xiang: Fujian Normal University
Zizhu Yao: Fujian Normal University
Hao Zhang: Fujian Normal University
Yunbin Li: Fujian Normal University
Yongfan Zhang: Fuzhou University
Shengchang Xiang: Fujian Normal University
Banglin Chen: Fujian Normal University
Zhangjing Zhang: Fujian Normal University

Nature Communications, 2024, vol. 15, issue 1, 1-11

Abstract: Abstract The inherent structural flexibility and reversibility of non-covalent organic frameworks have enabled them to exhibit switchable multistate structures under external stimuli, providing great potential in the field of resistive switching (RS), but not well explored yet. Herein, we report the 0D+1D hydrogen-bonded polycatenation non-covalent organic framework (HOF-FJU-52), exhibiting diverse and reversible RS behaviors with the high performance. Triggered by the external stimulus of electrical field E at room temperature, HOF-FJU-52 has excellent resistive random-access memory (RRAM) behaviors, comparable to the state-of-the-art materials. When cooling down below 200 K, it was transferred to write-once-read-many-times memory (WORM) behaviors. The two memory behaviors exhibit reversibility on a single crystal device through the temperature changes. The RS mechanism of this non-covalent organic framework has been deciphered at the atomic level by the detailed single-crystal X-ray diffraction analyses, demonstrating that the structural dual-flexibility both in the asymmetric hydrogen bonded dimers within the 0D loops and in the infinite π–π stacking column between the loops and chains contribute to reversible structure transformations between multi-states and thus to its dual RS behaviors.

Date: 2024
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DOI: 10.1038/s41467-023-44214-x

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