Synthesis and conductance measurement of periodic arrays of gold nanoparticles

被引：14

作者：

Kakefuda, Y. ^{[1
]}

Narita, K. ^{[1
]}

Komeda, T. ^{[1
,2
]}

Yoshimoto, S. ^{[3
]}

Hasegawa, S. ^{[3
]}

机构：

[1] Tohoku Univ, IMRAM, Sendai, Miyagi 9800877, Japan

[2] CREST, JST, Chiyoda Ku, Tokyo 1020075, Japan

[3] Univ Tokyo, Dept Phys, Sch Sci, Bunkyo Ku, Tokyo 1130033, Japan

来源：

APPLIED PHYSICS LETTERS | 2008年 / 93卷 / 16期

基金：

日本科学技术振兴机构;

关键词：

Gold nanoparticles;

D O I：

10.1063/1.3001938

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report a formation method and an electrical characterization of aligned arrays of Au nanoparticles (similar to 20-40 nm). We synthesized the structure by immersing a substrate vertically into a solvent with nanoparticle and letting the solvent evaporate. The periodicity of the arrays has been controlled in 10-40 mu m range by tuning the evaporation rate of solvent. The resistivity shows a drastic decrease (similar to 10(-4)) when annealed at similar to 170 degrees C. While it is considerably due to a breakdown of ligands surrounding the Au particles, the large change in conductivity should be used for sensors to examine the interface molecules between Au nanoparticles. (C) 2008 American Institute of Physics. [DOI: 10.1063/1.3001938]

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页数：3

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