Issue 17, 2015

Metal complex modified azo polymers for multilevel organic memories

Abstract

Multilevel organic memories have attracted considerable interest due to their high capacity of data storage. Despite advances, the search for multilevel memory materials still remains a formidable challenge. Herein, we present a rational design and synthesis of a class of polymers containing an azobenzene-pyridine group (PAzo-py) and its derivatives, for multilevel organic memory storage. In this design, a metal complex (M(Phen)Cl2, M = Cu, Pd) is employed to modify the HOMO–LUMO energy levels of azo polymers, thereby converting the memory state from binary to ternary. More importantly, this approach enables modulating the energy levels of azo polymers by varying the coordination metal ions. This makes the achievement of high performance multilevel memories possible. The ability to tune the bandgap energy of azo polymers provides new exciting opportunities to develop new materials for high-density data storage.

Graphical abstract: Metal complex modified azo polymers for multilevel organic memories

Supplementary files

Article information

Article type
Paper
Submitted
06 Feb 2015
Accepted
18 Mar 2015
First published
19 Mar 2015

Nanoscale, 2015,7, 7659-7664

Author version available

Metal complex modified azo polymers for multilevel organic memories

Y. Ma, H. Chen, F. Zhou, H. Li, H. Dong, Y. Li, Z. Hu, Q. Xu and J. Lu, Nanoscale, 2015, 7, 7659 DOI: 10.1039/C5NR00871A

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