Charge Transfer Directed Growth and Morphology Regulation of Silver Nanoparticles
Abstract:We demonstrate the control of silver nanoparticle growth in electroless deposition by utilizing surfaces of varying conductivity. Nanoscopic wires can be developed on non-conductive substrates, whereas nanoloops and microspheres are produced on surfaces of weak and high conductivity, respectively. Our observations reveal that the morphologies of electroless deposition can be regulated by the charge transfer through substrates, which indicates the important role of a redox reaction potential and a size-dependent chemical potential as the driving force behind this directed growth.
Document Type: Research Article
Publication date: May 1, 2011
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