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author:

Zheng, M.-Q. (Zheng, M.-Q..) [1] | Yi, H.-M. (Yi, H.-M..) [2] | Yu, G. (Yu, G..) [3] | Wang, J.-W. (Wang, J.-W..) [4] | Lv, Z.-L. (Lv, Z.-L..) [5] | Li, H.-F. (Li, H.-F..) [6] | Lin, X. (Lin, X..) [7] | Li, H.-H. (Li, H.-H..) [8] | Zhao, S.-Y. (Zhao, S.-Y..) [9] | Zheng, H.-D. (Zheng, H.-D..) [10]

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Scopus

Abstract:

In the field of biomemorizers, the simultaneous enhancement of resistive switching (RS) performance and environmental robustness, and the understanding the RS mechanism involving interfacial interaction is still challengeable. Herein, the bio-composites by encapsulating graphene (GR), graphene oxide (GO) and reduced graphene oxide (RGO) into chitosan (CS) have been fabricated as memory devices with the structure of FTO/bio-composite/Ag. Among them, FTO/GO@CS(12 %)/Ag biomemorizer exhibits the best RS performance with high ON/OFF ratio (105.92), and it possesses good thermal (170 °C) and irradiation stabilities (UV exposure for 96 h). The RS mechanism is due to the migration of oxygen vacancies accompanied by formation of Ag conducting filaments in the bio-composite films. Therefore, the enhanced resistive switching performance after encapsulating into CS can be explained as the increment of defects, the higher current densities and quenched radicals. Specially, for the first time we find the presence of voltage-induced packing mode changes in GO@CS composite, which can facilitate the migration of oxygen vacancies and render its best RS performance. In all, the more carboxyl groups can strengthen the GO-CS interfacial interactions through the formation of stable hydrogen bonding network and covalent bonds, which can enhance the stabilities and makes the composites be more sensitive to electrical stimulus. The rules drawn in this work will be significant for the construction of new biomemorizers with good environmental robustness. © 2024 Elsevier B.V.

Keyword:

Biomemorizer Chitosan Environmental robustness Graphene derivant Resistive switching mechanism

Community:

  • [ 1 ] [Zheng M.-Q.]Fujian Provincial Key Laboratory of Featured Biochemical and Chemical Materials, Fujian Province University Key Laboratory of Green Energy and Environment Catalysis, College of Chemistry and Materials, Ningde Normal University, Fujian, Ningde, 352100, China
  • [ 2 ] [Zheng M.-Q.]Fujian Engineering Research Center of Advanced Manufacturing Technology for Fine Chemicals, College of Chemical Engineering, Fuzhou University, Fujian, Fuzhou, 350108, China
  • [ 3 ] [Yi H.-M.]Fujian Provincial Key Laboratory of Advanced Inorganic Oxygenated Materials, College of Chemistry, Fuzhou University, Fujian, Fuzhou, 350108, China
  • [ 4 ] [Yu G.]Fujian Engineering Research Center of Advanced Manufacturing Technology for Fine Chemicals, College of Chemical Engineering, Fuzhou University, Fujian, Fuzhou, 350108, China
  • [ 5 ] [Yu G.]Qingyuan Innovation Laboratory, Fujian, Quanzhou, 362801, China
  • [ 6 ] [Wang J.-W.]Fujian Provincial Key Laboratory of Featured Biochemical and Chemical Materials, Fujian Province University Key Laboratory of Green Energy and Environment Catalysis, College of Chemistry and Materials, Ningde Normal University, Fujian, Ningde, 352100, China
  • [ 7 ] [Lv Z.-L.]Fujian Provincial Key Laboratory of Advanced Inorganic Oxygenated Materials, College of Chemistry, Fuzhou University, Fujian, Fuzhou, 350108, China
  • [ 8 ] [Li H.-F.]Fujian Provincial Key Laboratory of Advanced Inorganic Oxygenated Materials, College of Chemistry, Fuzhou University, Fujian, Fuzhou, 350108, China
  • [ 9 ] [Lin X.]Fujian Provincial Key Laboratory of Advanced Inorganic Oxygenated Materials, College of Chemistry, Fuzhou University, Fujian, Fuzhou, 350108, China
  • [ 10 ] [Li H.-H.]Fujian Engineering Research Center of Advanced Manufacturing Technology for Fine Chemicals, College of Chemical Engineering, Fuzhou University, Fujian, Fuzhou, 350108, China
  • [ 11 ] [Li H.-H.]Fujian Provincial Key Laboratory of Advanced Inorganic Oxygenated Materials, College of Chemistry, Fuzhou University, Fujian, Fuzhou, 350108, China
  • [ 12 ] [Zhao S.-Y.]Fujian Engineering Research Center of Advanced Manufacturing Technology for Fine Chemicals, College of Chemical Engineering, Fuzhou University, Fujian, Fuzhou, 350108, China
  • [ 13 ] [Zhao S.-Y.]Qingyuan Innovation Laboratory, Fujian, Quanzhou, 362801, China
  • [ 14 ] [Zheng H.-D.]Fujian Engineering Research Center of Advanced Manufacturing Technology for Fine Chemicals, College of Chemical Engineering, Fuzhou University, Fujian, Fuzhou, 350108, China
  • [ 15 ] [Zheng H.-D.]Qingyuan Innovation Laboratory, Fujian, Quanzhou, 362801, China

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Source :

Diamond and Related Materials

ISSN: 0925-9635

Year: 2024

Volume: 146

4 . 3 0 0

JCR@2023

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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