Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
1636202 | Transactions of Nonferrous Metals Society of China | 2014 | 7 Pages |
Abstract
The effect of reducing agents and surfactants on controlling the silver nanoplates was studied. Two reducing agents, trisodium citrate dehydrate (TSC) and potassium tartrate, were used to reduce the AgNO3 solution. In this redox system, polyvinylpyrrolidone (PVP), sodium dodecyl sulfate (SDS) and arabic gum were served as surfactants. The results showed that reducing agents and surfactants both act as the capping agent adhering to the certain facets of silver seeds to block this surface to grow. The relative intensity of reducing agents also takes an active part in influencing the growth rate and direction of silver seeds. It was also found that halides can accelerate the speed of Ostwald ripening by adding Clâ, Brâ and Iâ into the aqueous and have some effects on the morphology of the nanoplates.
Related Topics
Physical Sciences and Engineering
Materials Science
Metals and Alloys
Authors
Yang YAN, Ke-bin CHEN, Hao-ran LI, Wei HONG, Xiao-bin HU, Zhou XU,