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
来源：
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2015年 / 54卷 / 32期
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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