Silver-enhanced conductivity of magnetoplasmonic nanochains |
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| Institution: | 1. Department of Cogno-Mechatronics Engineering, Pusan National University, Busan 609-735, Republic of Korea;2. Department of Biotechnology Research, National Fisheries Research and Development Institute, Busan 619-706, Republic of Korea;3. Department of Nano Fusion Technology, Pusan National University, Miryang 627-706, Republic of Korea |
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| Abstract: | A method for improving the electrical properties of one-dimensional conducting structures by reductive deposition of metallic silver on a gold surface is presented. Fe3O4@Au core–shell nanoparticles were used to fabricate conducting magnetoplasmonic nanochains (MPNCs) through magnetic-field-induced assembly. The MPNCs were prepared on a solid substrate. Their dimension was controlled by adjusting the pH of the colloidal solution. The nanochains (NCs) were placed across gold microelectrodes, and additional metal was deposited by highly specific chemical enhancement of the colloidal gold using a silver enhancement solution. Silver-enhanced MPNCs show a remarkable morphology and an impressive enhancement in electrical properties compared to the as-prepared MPNCs. |
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| Keywords: | Nanochains Self-assembly Magnetoplasmonic Silver enhancement |
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