Electrical measurements in molecular electronics

被引:183
作者
James, DK
Tour, JM
机构
[1] Rice Univ, Dept Chem, Houston, TX 77005 USA
[2] Rice Univ, Ctr Nanoscale Sci & Technol, Houston, TX 77005 USA
关键词
D O I
10.1021/cm049648r
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
This paper reviews the various methods used to measure the electrical characteristics of individual or small groups of molecules, including crossed-wire junctions, mechanically controllable break junctions, conducting atomic force microscopy, scanning tunneling microscopy, molecular electronics on silicon surfaces, the NanoCell, nanopores, and other devices. It is shown that in the most common embodiment, the metal-molecule-metal junction, the assembly must be considered in whole. The characteristics of the molecule cannot be easily separated from the metal electrodes connected to it or from the method used to do the testing. I(V,T) data is necessary to rule out non-molecular transport mechanisms such as metal filament formation.
引用
收藏
页码:4423 / 4435
页数:13
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