Low-Cost, Printed Memristor or Using Indigo and a Dispersion of Colloidal Graphite Deposited by Spray Coating

Author(s)

Nascimento, Mayk Rodrigues ^[1] ; Vieira, Douglas Henrique ^[1] ; Nogueira, Gabriel Leonardo ^[1] ; Alves, Neri ^[1]

Affiliation

^[1] Sao Paulo State Univ UNESP, Fac Sci & Technol FCT, Phys Dept, BR-19060900 Presidente Prudente, SP - Brazil

• Document type: Journal article
• Source: IEEE ELECTRON DEVICE LETTERS; v. 42, n. 10, p. 1468-1471, OCT 2021.
• Web of Science Citations: 0

Abstract

The printed electronics presents the outstanding proposal to produce low-cost, solution-processable, vacuum-free and flexible devices. In this context, many researchers have been made efforts to obtain printed memories that works with low voltage bias, high on/off ratio and storage stability. Here, we report a novel low-cost printed version of a memristor based on spray coated films of indigo and colloidal graphite. This memory showed high performance for printed memristors, being the most remarkable aspect of this device its high on/off ratio of 1.6 x 10(6) at 1.15 V, and 3.1 x 10(4) for voltages as low as +0.1 V. The pulse-test mode read at +0.1 V revealed very stable endurance characteristics even after 100 readings and retention time over 10(4) s, as desired by the printed electronics niches. (AU)

• FAPESP's process: 19/03934-0 - ZnO-based oxygen sensor assisted by UV light
• Grantee: Mayk Rodrigues do Nascimento
• Support Opportunities: Scholarships in Brazil - Master