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A Facile Strategy for the Synthesis of Flower-Like Structures with Enhanced Nano-Porous Surfaces

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Herein we report a facile aqueous synthesis of Au–Ag flower-like structures with enhanced surface porous moiety and their electrochemical activity was explored. Galvanic replacement reaction is a simple and powerful route to form flower-like and porous metallic nanostructures. In this work, we prepared silver sol with a narrow particle size distribution through wet chemical reduction method using poly vinyl pyrrolidone and sodium borohydride as capping and reducing agents respectively. The silver sol is subjected to galvanic replacement reaction using gold chloride solution to prepare the nano-porous silver-gold and gold flower-like structures. The materials prepared are characterized through optical absorption spectroscopy, XRD, TEM and Electro-chemical techniques and the results are presented in this paper.
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Keywords: GALVANIC REPLACEMENT; GOLD-SILVER NANOSTRUCTURES; NANO-POROUS FLOWER-LIKE STRUCTURES; SILVER SOL

Document Type: Research Article

Publication date: March 1, 2018

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  • Journal of Advanced Microscopy Research (JAMR) provides a forum for rapid dissemination of important developments in high-resolution microscopy techniques to image, characterize and analyze man-made and natural samples; to study physicochemical phenomena such as abrasion, adhesion, corrosion and friction; to perform micro and nanofabrication, lithography, patterning, micro and nanomanipulation; theory and modeling, as well as their applications in all areas of science, engineering, and medicine.
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