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author：

Huang, Y. (Huang, Y..) [1] | Yang, W. (Yang, W..) [2] | Zhou, P.-K. (Zhou, P.-K..) [3] | Liu, N. (Liu, N..) [4] | Xu, S. (Xu, S..) [5] | Qiu, J. (Qiu, J..) [6] | Zeng, T. (Zeng, T..) [7] | Wu, C. (Wu, C..) [8] | Huang, W. (Huang, W..) [9] | Lin, W. (Lin, W..) [10] | Chen, X. (Chen, X..) [11]

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Scopus

Abstract：

Covalent　organic　frameworks　(COFs)　have　emerged　as　a　compelling　class　of　materials　for　active　layers　in　memristors,　yet　the　determinants　of　their　electrical　properties　and　effective　tuning　strategies　remain　elusive.　Herein,　the　study　unveils　two　novel　pyrene-based　COFs　(Py-COFs)—the　one-dimensional　(1D)　H-Py-BT　COF　and　the　two-dimensional　(2D)　Py-BT　COF—crafted　with　structural　kinship　yet　divergent　dimensionalities　via　tailored　pyrene　monomer　connectivity.　The　effect　of　structural　and　dimensional　disparities　on　memristive　device　performance　and　image　recognition　precision　is　systematically　investigated.　Notably,　the　1D　H-Py-BT　COF　harnesses　weak　in-plane　and　interlayer　hydrogen　bonding　interactions　to　enhance　charge　separation　and　promote　directional　electron　transport.　This　unique　configuration　enables　devices　fabricated　with　the　1D　H-Py-BT　COF　(101 nm　thick)　to　deliver　exceptional　performance,　evidenced　by　a　high　ON/OFF　current　ratio　(≈103.7)　and　an　image　recognition　accuracy　of　76%,　outperforming　those　based　on　the　2D　Py-BT　COF.　These　findings　underscore　the　pivotal　role　of　COF　dimensionality　and　molecular　interactions　in　dictating　device　functionality,　offering　valuable　insights　for　advancing　COF-based　memristive　technologies.　©　2025　Wiley-VCH　GmbH.

Keyword：

1D covalent organic framework intermolecular hydrogen bonding memristors neuromorphic computing synaptic mimicry

Community：

  • [ 1 ] [Huang Y.]State Key Laboratory of Chemistry for NBC Hazards Protection, College of Chemistry, Fuzhou University, Fuzhou, 350116, China
  • [ 2 ] [Huang Y.]State Key Laboratory of Photocatalysis on Energy and Environment, and Key Laboratory of Advanced Carbon-Based Functional Materials College of Chemistry, Fuzhou University, Fuzhou, 350116, China
  • [ 3 ] [Yang W.]State Key Laboratory of Chemistry for NBC Hazards Protection, College of Chemistry, Fuzhou University, Fuzhou, 350116, China
  • [ 4 ] [Yang W.]State Key Laboratory of Photocatalysis on Energy and Environment, and Key Laboratory of Advanced Carbon-Based Functional Materials College of Chemistry, Fuzhou University, Fuzhou, 350116, China
  • [ 5 ] [Zhou P.-K.]State Key Laboratory of Chemistry for NBC Hazards Protection, College of Chemistry, Fuzhou University, Fuzhou, 350116, China
  • [ 6 ] [Zhou P.-K.]State Key Laboratory of Photocatalysis on Energy and Environment, and Key Laboratory of Advanced Carbon-Based Functional Materials College of Chemistry, Fuzhou University, Fuzhou, 350116, China
  • [ 7 ] [Liu N.]State Key Laboratory of Chemistry for NBC Hazards Protection, College of Chemistry, Fuzhou University, Fuzhou, 350116, China
  • [ 8 ] [Liu N.]State Key Laboratory of Photocatalysis on Energy and Environment, and Key Laboratory of Advanced Carbon-Based Functional Materials College of Chemistry, Fuzhou University, Fuzhou, 350116, China
  • [ 9 ] [Xu S.]State Key Laboratory of Chemistry for NBC Hazards Protection, College of Chemistry, Fuzhou University, Fuzhou, 350116, China
  • [ 10 ] [Xu S.]State Key Laboratory of Photocatalysis on Energy and Environment, and Key Laboratory of Advanced Carbon-Based Functional Materials College of Chemistry, Fuzhou University, Fuzhou, 350116, China
  • [ 11 ] [Qiu J.]College of Physics and Information Engineering, Fuzhou University, Fuzhou, 350108, China
  • [ 12 ] [Zeng T.]Department of Materials Science and Engineering, National University of Singapore, Singapore, 117575, Singapore
  • [ 13 ] [Wu C.]College of Physics and Information Engineering, Fuzhou University, Fuzhou, 350108, China
  • [ 14 ] [Wu C.]Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou, 350108, China
  • [ 15 ] [Huang W.]State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 155 Yangqiao West Road, Fujian, Fuzhou, 350002, China
  • [ 16 ] [Lin W.]State Key Laboratory of Chemistry for NBC Hazards Protection, College of Chemistry, Fuzhou University, Fuzhou, 350116, China
  • [ 17 ] [Lin W.]State Key Laboratory of Photocatalysis on Energy and Environment, and Key Laboratory of Advanced Carbon-Based Functional Materials College of Chemistry, Fuzhou University, Fuzhou, 350116, China
  • [ 18 ] [Chen X.]State Key Laboratory of Chemistry for NBC Hazards Protection, College of Chemistry, Fuzhou University, Fuzhou, 350116, China
  • [ 19 ] [Chen X.]State Key Laboratory of Photocatalysis on Energy and Environment, and Key Laboratory of Advanced Carbon-Based Functional Materials College of Chemistry, Fuzhou University, Fuzhou, 350116, China

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Advanced Functional Materials

ISSN： 1616-301X

Year： 2025

1 8 . 5 0 0

JCR@2023

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ESI Highly Cited Papers on the List： 0 Unfold All

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