Issue 28, 2025

A triphenylamine-based organic memristive device: a promising candidate for memory and synaptic emulation applications

Abstract

In the present work, a novel triphenylamine-based material (coded as PKJ) was synthesized and utilized in resistive switching (RS) devices. The fabricated device shows the bipolar RS effect and exhibits non-ideal memristor properties. The PKJ material-based RS device shows excellent non-volatile memory properties. The Ag/PKJ/FTO RS device can be switched between two distinct resistive states, exhibiting an on/off ratio greater than 15, and can withstand up to 10 000 endurance cycles. Moreover, the device can retain the two memory states for up to 5 × 103 s. The Weibull distribution and cumulative probability results show excellent switching uniformity in the memristive device. Moreover, the triphenylamine-based device mimics the basic functionalities of the biological synapse, such as potentiation, depression, excitatory postsynaptic current, and paired-pulse facilitation index (%) properties. These results asserted that the triphenylamine-based organic material is a good candidate for non-volatile memory and synaptic learning applications.

Graphical abstract: A triphenylamine-based organic memristive device: a promising candidate for memory and synaptic emulation applications

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Article information

Article type
Paper
Submitted
14 Apr 2025
Accepted
18 Jun 2025
First published
30 Jun 2025

New J. Chem., 2025,49, 12306-12314

A triphenylamine-based organic memristive device: a promising candidate for memory and synaptic emulation applications

K. S. Jagadhane, N. B. Tadavalekar, A. R. Patil, G. B. Kolekar, R. K. Kamat, T. D. Dongale and P. V. Anbhule, New J. Chem., 2025, 49, 12306 DOI: 10.1039/D5NJ01623A

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