期刊
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
卷 393, 期 -, 页码 1-5出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.colsurfa.2011.08.018
关键词
Silver nanoribbons; Nanoplates; Glucose; CTAB
Silver nanoribbons and nanoplates have been synthesized by the classical silver-mirror reaction by changing the reaction conditions at room temperature. It was found that the reaction time and [ammonia] were an important factor for the growth of nanoparticles having different morphologies. Silver nanoplates and nanoribbons can be achieved in high yield by adjusting the reaction time and ammonia content, respectively. The formation rate of silver nanoparticles was investigated by UV-visible spectroscopy. Transmission electron microscopy (TEM) and selected areas electron diffraction (SAED) have been employed to characterize the resulting nanoplates and nanoribbons. Ostwald ripening process was observed which caused fusion among growing small spheres silver nanoparticles leads to the formation of nanoribbons at lower [ammonia]. (C) 2011 Elsevier B.V. All rights reserved.
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