Observation of negative differential resistance in diketopyrrolopyrrole-based copolymer films

被引：0
|
作者：
LiGong Yang
Hao Xu
GuoQiang Zhang
Mang Wang
Yang Li
HongZheng Chen
机构：
[1] Zhejiang University,State Key Laboratory of Silicon Materials; Zhejiang
[2] Zhejiang University,California International Nanosystems Institute
来源：
Science China Chemistry | 2011年 / 54卷
关键词：
negative differential resistance; donor-acceptor conjugated copolymer; memories;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Remarkable and repeatable negative differential resistance (NDR) phenomenon was observed in a metal-polymer-metal structure diode based on bishexyloxy-divinyl-benzene-alt-diketopyrrolopyrrole (C6DPPPPV), a type of donor-acceptor (D-A) conjugated copolymer. Thickness dependence of the devices implied that the observed NDR characteristics were bulk-controlled. The device performance was considered to depend on the slow trapping and releasing processes related to the local deep states, which was enhanced by the growth and thermal rupture of conducting filaments through the organic layer. The results suggest that the D-A conjugated copolymer is a promising memory material based on NDR effect.
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页码：636 / 640
页数：4
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