A Molecular Platform for Multistate Near-Infrared Electrochromism and Flip-Flop, Flip-Flap-Flop, and Ternary Memory

被引:91
|
作者
Cui, Bin-Bin [1 ]
Tang, Jian-Hong [1 ]
Yao, Jiannian [1 ]
Zhong, Yu-Wu [1 ]
机构
[1] Chinese Acad Sci, Beijing Natl Lab Mol Sci, Inst Chem, CAS Key Lab Photochem, Beijing 100190, Peoples R China
基金
中国国家自然科学基金;
关键词
electrochemistry; memory; molecular device; molecular logic; ruthenium; ELECTROPOLYMERIZED FILMS; ELECTRON-TRANSFER; VOLATILE MEMORY; SOLID SUPPORT; LOGIC; COMPLEX; RUTHENIUM; MONOLAYERS; POLYMERS; DEVICES;
D O I
10.1002/anie.201504584
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
A diruthenium complex with a redox-active amine bridge has been designed, synthesized, and studied by single-crystal X-ray analysis and DFT and TDDFT calculations. It shows three well-separated redox processes with exclusive near-infrared (NIR) absorbance at each redox state. The electropolymerized film of a related vinyl-functionalized complex displays multistate NIR electrochromism with low operational potential, good contrast ratio, and long retention time. Flip-flop, flip-flap-flop, and ternary memories have been realized by using the obtained film (ca. 15-20nm thick) with three electrochemical inputs and three NIR optical outputs that each displays three levels of signal intensity.
引用
收藏
页码:9192 / 9197
页数:6
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