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New Synthesis Approach for Low Temperature Bimetallic Nanoparticles: Size and Composition Controlled Sn–Cu Nanoparticles

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Abstract:

A various size of Sn–Cu nanoparticles were synthesized by using a modified polyol process for low temperature electronic devices. Monodispersive Sn–Cu nanoparticles with diameters of 21 nm, 18 nm and 14 nm were synthesized. In addition, the eutectic composition shift was also observed in nano-sized particles as compared with bulk alloys. By controlling the size and eutectic composition, a significant melting temperature depression of 30.3 °C was achieved. These melting temperature depression approaches will reduce adverse thermal effects in electronic devices and provide the synthesis guidelines for bimetallic nanoparticles with a low melting temperature.

Keywords: EUTECTIC COMPOSITION SHIFT; LOW MELTING TEMPERATURE ALLOYS; MODIFIED POLYOL PROCESS; SIZE CONTROL; SN-CU NANOPARTICLES

Document Type: Research Article

DOI: http://dx.doi.org/10.1166/jnn.2011.3052

Publication date: February 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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