期刊
JOURNAL OF MATERIALS RESEARCH
卷 22, 期 6, 页码 1479-1485出版社
CAMBRIDGE UNIV PRESS
DOI: 10.1557/JMR.2007.0222
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In this work, we report on silver nanocubes with perfect shape prepared by a simple poly(vinyl pyrrolidone)-directed polyol synthesis process. The effects of poly(vinyl pyrrolidone)/AgNO3 ratio R and reaction temperature T on the morphology and size of the products were investigated. Ag nanocubes with an average edge length of 230 nm were obtained successfully with sharp edges and corners under a precise synthesis condition of R = 1 and T = 150 degrees C. The optical properties of Ag nanocubes show an attractive plasma resonance red-shift with size in a wide spectra region. The growth mechanism of the Ag nanocubes is proposed to be thermodynamically and kinetically controlled.
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