Jump to main content
Jump to site search


Broadband photoelectric tunable quantum dot based resistive random access memory

Author affiliations

Abstract

Photoelectric resistive random access memory (RRAM) is a promising optoelectronic technology that is being developed to overcome the Von Neumann bottleneck and improve the computing and access performance of current computer systems. In this work, an ultra-stable broadband photoelectric tunable RRAM device based on PbS quantum dots (QDs) and poly(methyl methacrylate) (PMMA) hybrid materials was demonstrated. The device exhibits a long retention capability (>104 s), a high ON/OFF current ratio (104), fast response time (170 ns), cycle-to-cycle consistency, impressive environmental stability (>90 days) and flexibility. Multilevel data storage can be achieved through the appropriate setting of a series of compliance currents. In addition, the SET voltage of the device shows a broadband tunability from the ultraviolet (405 nm) to the near infrared (1177 nm). Furthermore, conductive atomic force microscopy (CAFM) measurements confirm that the formation and rupture of Ag conducting filaments are responsible for the resistive switching behavior. This study paves the way toward the development of next-generation high-density data storage technology and broadband photoelectric memory and computer technologies.

Graphical abstract: Broadband photoelectric tunable quantum dot based resistive random access memory

Back to tab navigation

Supplementary files

Article information


Submitted
13 Nov 2019
Accepted
13 Dec 2019
First published
15 Jan 2020

J. Mater. Chem. C, 2020, Advance Article
Article type
Paper

Broadband photoelectric tunable quantum dot based resistive random access memory

Z. Chen, Y. Yu, L. Jin, Y. Li, Q. Li, T. Li, J. Li, H. Zhao, Y. Zhang, H. Dai and J. Yao, J. Mater. Chem. C, 2020, Advance Article , DOI: 10.1039/C9TC06230K

Social activity

Search articles by author

Spotlight

Advertisements