Deposition of Ordered Arrays of Metal Sulfide Nanoparticles in Nanostructures Using Supercritical Carbon Dioxide

被引：0

作者：

Wang, Joanna S. ^{[1
,2
]}

Smetana, Alexander B. ^{[1
,2
]}

Boeckl, John J. ^{[1
]}

Brown, Gail J. ^{[1
]}

Wai, Chien M. ^{[2
]}

机构：

[1] US Air Force, Res Lab, Mat & Mfg Directorate, Wright Patterson AFB, OH 45433 USA

[2] Univ Idaho, Dept Chem, Moscow, ID 83844 USA

来源：

LARGE-AREA PROCESSING AND PATTERNING FOR OPTICAL, PHOTOVOLTAIC AND ELECTRONIC DEVICES - 2009 | 2010年 / 1196卷

关键词：

THIN-FILMS; SIZE; MICROEMULSIONS; TEMPERATURE; GOLD;

D O I：

10.1557/PROC-1196-C06-23

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Silver sulfide (Ag2S) and cadmium sulfide (CdS) nanoparticles of adjustable sizes are synthesized using a water-in-hexane microemulsion method and stabilized by dodecanethiol. The stabilized metal sulfide nanoparticles can be deposited homogenously on flat substrates forming ordered 2D arrays in supercritical fluid carbon dioxide (Sc-CO2). The use of Sc-CO2 leaves the particles unaffected by de-wetting effects and surface tension caused by traditional solvents and produces uniform arrays. The Sc-CO2 deposition technique can effectively fill the metal sulfide nanoparticles into nanoscale features, which is difficult to achieve by conventional solvent evaporation methods.

引用

页数：6

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