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Issue 15, 2018
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Macrocyclic triphenylamine-based push–pull type polymer memristive material: synthesis and characterization

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Abstract

As the most emergent target for the construction of neuromorphic networks, the emulation of synaptic responses with a memristor on the device level has attracted much attention in both microelectronic industries and academic institutes. For this reason, a newly synthesized soluble push–pull type random conjugated polymer, that is, poly[{4,4′-(((9-H-fluorene-9,9-diyl)bis(4,1-phenylene))bis(oxy))diphthalonitrile}-(9,9-di-octylfluorene)-(macrocyclic triphenylamine)] (hereafter called PFFMT), was used to fabricate a memristor with a configuration of Al/PFFMT/ITO. The device shows interesting history-dependent memristive switching performance. The synaptic potentiation and depression, the transition from short-term plasticity to long-term plasticity, the relaxation time constant of the memory decay process, and the biological stimuli of the “learning–forgetting–relearning” processes associated to the human's learning/memory functions have been demonstrated. Upon being subjected to different voltages, the conductive nature of the as-prepared memristor has also been successfully revealed via the in situ conductive atomic force microscopy technique.

Graphical abstract: Macrocyclic triphenylamine-based push–pull type polymer memristive material: synthesis and characterization

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Publication details

The article was received on 30 Jan 2018, accepted on 07 Mar 2018 and first published on 09 Mar 2018


Article type: Paper
DOI: 10.1039/C8TC00524A
Citation: J. Mater. Chem. C, 2018,6, 4023-4029
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    Macrocyclic triphenylamine-based push–pull type polymer memristive material: synthesis and characterization

    B. Zhang, C. Wang, L. Wang and Y. Chen, J. Mater. Chem. C, 2018, 6, 4023
    DOI: 10.1039/C8TC00524A

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