Novel Porphyrin-Containing Polymer Based Memristor for Synaptic Plasticity Simulation

被引：8

作者：

Bian, Linyi ^{[1
]}

Xie, Meng ^{[1
]}

Chong, Hao ^{[1
]}

Zhang, Zhewei ^{[1
]}

Liu, Guangyi ^{[1
]}

Han, Qiushuo ^{[1
]}

Ge, Jiaoyang ^{[1
]}

Liu, Zheng ^{[1
]}

Lei, Yang ^{[1
]}

Zhang, Guangwei ^{[1
]}

Xie, Linghai ^{[1
]}

机构：

[1] Nanjing Univ Posts & Telecommun, State Key Lab Organ Elect & Informat Displays, Ctr Mol Syst & Organ Devices, Jiangsu Key Lab Biosensors,Inst Adv Mat, 9 Wenyuan Rd, Nanjing 210023, Jiangsu, Peoples R China

来源：

CHINESE JOURNAL OF CHEMISTRY | 2022年 / 40卷 / 20期

基金：

中国国家自然科学基金;

关键词：

Copolymerization; Spiro compounds; Memristor; Cooperative effects; Synaptic plasticity; ARTIFICIAL SYNAPSE; SOLAR-CELLS;

D O I：

10.1002/cjoc.202200257

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Comprehensive Summary The porphyrin-based copolymer PZnTPP-SFX is designed and synthesized by alternating porphyrin and spiro[fluorene-9,9'-xanthene] via Suzuki copolymerization. A simple memristor structure of ITO/ZnTPP-SFX/AlOx/Al was fabricated by spin-coating process. The conventional synaptic plasticity is emulated using the single memristor including nonlinear transmission characteristics, spike-timing dependent plasticity and spike-rate dependent plasticity. New spike-voltage dependent plasticity is also found in the memristor which can selectively perform potentiation and depression behaviors at a unipolar voltage. Compared with the device performance of uncoordinated metalloporphyrin polymer, it was found that oxygen vacancies diffuse and migrate into PZnTPP-SFX layer with the assist of coordination metal. This study suggests that porphyrin-based polymers have great promise for synaptic simulation of artificial neural network.

引用

页码：2451 / 2456

页数：6

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