Self-assembled rigid conjugated polymer nanojunction and its nonlinear current-voltage characteristics at room temperature

被引:42
作者
Hu, WP
Nakashima, H
Furukawa, K
Kashimura, Y
Ajito, K
Torimitsu, K
机构
[1] NTT Corp, NTT Basic Res Labs, Kanagawa 2430198, Japan
[2] Chinese Acad Sci, Inst Chem, Ctr Mol Sci, Lab Organ Solids, Beijing 100080, Peoples R China
关键词
D O I
10.1063/1.1769590
中图分类号
O59 [应用物理学];
学科分类号
摘要
A gold/polymer/gold nanojunction was fabricated by the self-assembly of a rigid polymer, namely poly(p-phenyleneethynylene)s with thioacetyl groups, between gold nanogap electrodes. The self-assembly depends on: (i) the ideal rigidity of the polymer molecules and (ii) the strong affinity of the thioacetyl/thiol end groups of the polymer for the Au surface. The current-voltage (I-V) characteristics of the conjugated polymer nanojunction exhibited stepwise features (some steps appeared as peaks) at room temperature. The I-V can be explained as electron tunneling through the nanojunction. (C) 2004 American Institute of Physics.
引用
收藏
页码:115 / 117
页数:3
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