Self-Assembled Electrical Contact to Nanoparticles Using Metallic Droplets

被引：19

作者：

Du, Kan ^{[1
]}

Knutson, Christopher R. ^{[1
,6
]}

Glogowski, Elizabeth ^{[2
]}

McCarthy, Kevin D. ^{[1
]}

Shenhar, Roy ^{[3
,4
]}

Rotello, Vincent M. ^{[5
]}

Tuominen, Mark T. ^{[1
]}

Emrick, Todd ^{[2
]}

Russell, Thomas P. ^{[2
]}

Dinsmore, Anthony D. ^{[1
]}

机构：

[1] Univ Massachusetts, Dept Phys, Amherst, MA 01003 USA

[2] Univ Massachusetts, Dept Polymer Sci & Engn, Amherst, MA 01003 USA

[3] Hebrew Univ Jerusalem, Inst Chem, IL-91904 Jerusalem, Israel

[4] Hebrew Univ Jerusalem, Ctr Nanosci & Nanotechnol, IL-91904 Jerusalem, Israel

[5] Univ Massachusetts, Dept Chem, Amherst, MA 01003 USA

[6] Arryx Inc, Chicago, IL 60601 USA

来源：

SMALL | 2009年 / 5卷 / 17期

基金：

美国国家科学基金会;

关键词：

Coulomb blockade; liquid metals; nanoparticles; self-assembly; TEMPERATURE COULOMB-BLOCKADE; NM GAPS; SINGLE; FABRICATION; ELECTRODES; TRANSPORT; MEMORY; DEVICES;

D O I：

10.1002/smll.200900203

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A study was conducted to demonstrate a simple approach where liquid-metal droplets were coated with a monolayer of ligand-stabilized nanoparticles. Devices formed by this method showed electron transport between droplets that is characteristic of the Coulomb blockade where current was suppressed below a tunable threshold voltage. This approach allowed the generation of a large number of devices in parallel, as nanoparticle-nanoparticle-coated liquid-metal droplets were deposited in a straightforward process on large substrates patterned by microcontact printing or other large-area methods. The devices were composed of of molten gallium (Ga) droplets that served as the conducting electrodes. The Ga droplets were suspended in acid to prevent oxidation. Au nanoparticles stabilized by (1-mercaptoundec-11-yl)-tetra(ethylene glycol) (TEG-OH) ligands were added to the suspension.

引用

页码：1974 / 1977

页数：4

共 38 条

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