期刊
CHEMISTRY-A EUROPEAN JOURNAL
卷 16, 期 33, 页码 10234-10239出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201000341
关键词
nanocubes; nanostructures; nanotechnology; silver; size control
资金
- NIH [DP1 OD000798]
- Washington University in St. Louis
- China Scholarship Council
- NSF [ECS-0335765]
This paper describes a new protocol to synthesize Ag nanocubes of 30 to 70 nm in edge length with the use of CF3COOAg as a precursor to elemental silver. By adding a trace amount of NaSH and HCl to the polyol synthesis, Ag nanocubes were obtained with good quality, high reproducibility, and on a scale up to 0.19 g per batch for the 70 nm Ag nanocubes. The Ag nanocubes were found to grow in size at a controllable pace over the course of synthesis. The linear relationship between the edge length of the Ag nanocubes and the position of localized surface plasmon resonance (LSPR) peak provides a simple method for finely tuning and controlling the size of the Ag nanocubes by monitoring the UV/Vis spectra of the reaction at different times.
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