Proton-responsive azulene-based conjugated polymer with nonvolatile memory effects

被引：4

作者：

Zhao, Zhizheng ^{[1
,2
]}

Huan, Weiwei ^{[3
]}

Sun, Chen ^{[1
,2
]}

El-Khouly, Mohamed E. ^{[4
]}

Bin Zhang ^{[1
,2
]}

Chen, Yu ^{[1
,2
]}

机构：

[1] East China Univ Sci & Technol, Sch Chem & Mol Engn, Key Lab Adv Mat, Shanghai, Peoples R China

[2] East China Univ Sci & Technol, Sch Chem & Mol Engn, Joint Int Res Lab Precis Chem & Mol Engn, Shanghai, Peoples R China

[3] Zhejiang A&F Univ, Coll Chem & Mat Engn, Zhejiang Prov Key Lab Chem Utilizat Forestry Biom, Hangzhou 311300, Peoples R China

[4] Egypt Japan Univ Sci & Technol E JUST, Inst Basic & Appl Sci, Alexandria, Egypt

来源：

NEW JOURNAL OF CHEMISTRY | 2022年 / 46卷 / 08期

基金：

中国国家自然科学基金; 上海市自然科学基金;

关键词：

CHARGE-TRANSPORT; OLIGOMERS;

D O I：

10.1039/d1nj04769h

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Proton-responsive electrochemical oxidation polymers are attractive due to their ability to respond to pH changes and applied electric fields. Here, we report an azulene-based conjugated polymer, PAV, which exhibits proton-gated and electrical-gated changes in its conductivity. The unique behavior of PAV was attributed to the direct formation of azulenium cation radicals, which was confirmed by in situ UV-Vis and electron paramagnetic resonance spectroscopy measurements. The fabricated Al/PAV/ITO device exhibited stable nonvolatile rewritable memory performance with highly symmetrical turn-on/off voltages and excellent endurance over 500 switching cycles.

引用

页码：3800 / 3805

页数：6

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