Morphology-control in microwave-assisted synthesis of silver particles in aqueous solutions

作者:Yamamoto T; Yin HB; Wada Y*; Kitamura T; Sakata T; Mori H; Yanagida S
来源:Bulletin of the Chemical Society of Japan, 2004, 77(4): 757-761.
DOI:10.1246/bcsj.77.757

摘要

The morphologies of Ag particles can be controlled between distorted sphere and prism by employing microwave-promoted reductions of highly concentrated 0.1 M silver nitrate in aqueous solutions. We can selectively synthesize either sphere-Ag or prism-Ag particles by changing only an additive, i.e., either trisodium citrate/formaldehyde or poly(N-vinyl-2-pyrrolidone) (PVP). The particle sizes and size distributions of sphere-Ag particles are strongly dependent on the concentration of trisodium citrate.