Fabrication of dendritic silver nanostructure using an integration of holographic lithography and electrochemical deposition |
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Authors: | You-Peng Chen Yue Zhao Ke-Qiang Qiu Jian Chu Han-Qing Yu Gang Liu Yang-Chao Tian Ying Xiong |
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Affiliation: | aDepartment of Chemistry, University of Science & Technology of China, Hefei 230026, China;bNational Synchrotron Radiation Laboratory, University of Science & Technology of China, Hefei 230026, China |
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Abstract: | Holographic lithography in combination with electrochemical deposition provides a novel and readily controlled method for preparing dendritic three-dimensional silver nanostructure with a large surface area. The scanning electron microscope and the synchrotron radiation X-ray three-dimensional imaging technique are used to characterize the as-prepared silver nanomaterial and demonstrate that the obtained silver has a three-dimensional dendritic morphology. The observed typical widths between the neighbor branches of the dendritic silver nanostructure are 30–50 nm. The configuration of the silver nanostructure is greatly related to the width of gold wires which are fabricated using holographic lithography and serve as substrate of the silver nanostructure. The three-dimensional silver architecture is formed only when silver is electrochemically deposited on 400-nm-width gold. |
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Keywords: | Electrochemical deposition Gold wire Holographic lithography Silver nanostructure Three-dimensional architecture |
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