Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 135, Issue 38, Pages 14086-14089Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ja408208c
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Funding
- Singapore National Research Foundation through Competitive Research Programme [NRF-CRP5-2009-04]
- MOE [RG 16/12, ARC 20/12, ARC 2/13]
- NRF
- NTU, Singapore
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To achieve ultrahigh density memory devices with the capacity of 3(n) or larger, organic materials with multilevel stable states are highly desirable. Here, we reported a novel larger stable heteroacene, 2,3,13,14-tetradecyloxy-5,11,16,22-tetraaza-6,10,17,21-tetrachloro-7,9,18,20-tetraoxa-8,19-dicyanoenneacene (CDPzN), which has two different types of heteroatoms (O and N) and nine linearly fused rings. The sandwich-structure memory devices based on CDPzN exhibited excellent ternary memory behaviors with high ON2/ON1/OFF current ratios of 10(6.3)/10(4.3)/1 and good stability for these three states.
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