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Photochemical Formation of Silver Nanodecahedra: Structural Selection by the Excitation Wavelength

NCJ Number
Langmuir Volume: 25 Issue: 6 Dated: 2009 Pages: 3802–3807
Xianliang Zheng; et al
Date Published
6 pages

This article reports on a project in which silver decahedra were  successfully synthesized with high yield via a photochemical reaction using blue light-emitting diodes (LEDs) as the exciting light source.



The decahedra display distinct properties with respect to the ability of light scattering. The photochemical growth process of silver decahedra was monitored by both extinction and scattering spectral evolution. A suggested formation mechanism of silver decahedron is discussed. (publisher abstract modified)