Octanethiolated Cu and Cu2O nanoparticles as ink to form metallic copper film

被引:23
作者
Dong, T. -Y. [1 ]
Wu, H. H. [1 ]
Huang, C. [1 ]
Song, J. M. [2 ]
Chen, I. G. [3 ]
Kao, T. H. [3 ]
机构
[1] Natl Sun Yat Sen Univ, Dept Chem, Ctr Nanosci & Nanotechnol, Kaohsiung 804, Taiwan
[2] Natl Dong Hwa Univ, Dept Mat Sci & Engn, Hualien, Taiwan
[3] Natl Cheng Kung Univ, Dept Mat Sci & Engn, Tainan 70101, Taiwan
关键词
Nanoparticle; Monolayer protected cluster; Conductivity; Film; CHEMICAL-VAPOR-DEPOSITION; SELF-ASSEMBLED MONOLAYERS; STABILIZED GOLD CLUSTERS; COLLOIDAL ASSEMBLIES; REVERSE MICELLES; SOLID-STATE; PARTICLES; SIZE; NANOCRYSTALS; EVOLUTION;
D O I
10.1016/j.apsusc.2008.10.085
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
The synthesis and spectroscopic characterizations of size-controlled Cu and Cu2O nanoparticles forming self-assembled 2D superlattices with hexagonal packing are described. The scanning electron microscopy (SEM), nuclear magnetic resonance (NMR), and X-ray photoelectron spectroscopy (XPS) were used to characterize the octanethiol-protected copper nanoparticles. Analysis of XPS confirms the formation of oxidized copper nanoparticles. Conductivity of copper metal film (0.1 mm) on the Si wafer can be improved simply by thermal annealing of copper monolayer protected clusters (MPCs) film (4.8 +/- 0.5 x 10(2) mu Omega cm) under air at 300 degrees C for 1 h, and then for another 5 h under a protective atmosphere of 90% N-2-10% H-2. (c) 2008 Elsevier B. V. All rights reserved.
引用
收藏
页码:3891 / 3896
页数:6
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