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ACS Appl Mater Interfaces. 2013 Jul 24;5(14):6458-62. doi: 10.1021/am4023434. Epub 2013 Jul 10.

Synthesis and nonvolatile memory behaviors of dioxatetraazapentacene derivatives.

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  • 1School of Materials Science and Engineering, Nanyang Technological University, Singapore 639798.

Abstract

Two novel heteroacenes 2,3,9,10-tetra(furan-2-yl)-1,4,8,11-tetraaza-6,13-dioxapentacene (FAOP, 1) and 2,3,9,10-tetra(thiophen-2-yl)-1,4,8,11-tetraaza-6,13-dioxapentacene (TAOP, 2) was successfully synthesized through a one-step condensation reaction, which have been fully characterized by (1)H NMR (nuclear magnetic resonance), (13)C NMR, FT-IR (Fourier transform infrared spectroscopy), and HRMS (high-resolution mass spectrum). The sandwich-structure memory devices have been fabricated using FAOP (1) and TAOP (2) as active layers, showing a typical bipolar resistive switching (RS) behavior in positive and negative regions.

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