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Charge Transfer Directed Growth and Morphology Regulation of Silver Nanoparticles

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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.

Keywords: CHARGE TRANSFER; CONDUCTIVITY; ELECTROLESS DEPOSITION; MORPHOLOGY; NANOPARTICLE

Document Type: Research Article

DOI: http://dx.doi.org/10.1166/jnn.2011.3870

Publication date: May 1, 2011

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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