Mesoscopic Models of Plants Composed of Metallic Nanowires |
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Authors: | Galina K.Strukova Gennady V.Strukov Evgeniya Yu.Postnova Alexander Yu.Rusanov Ivan S.Veshchunov |
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Affiliation: | Galina K.Strukova(Institute of Solid State Physics, Russian Academy of Sciences, 142432 Chernogolovka, Russia);Gennady V.Strukov(Institute of Solid State Physics, Russian Academy of Sciences, 142432 Chernogolovka, Russia);Evgeniya Yu.Postnova(Institute of Solid State Physics, Russian Academy of Sciences, 142432 Chernogolovka, Russia);Alexander Yu.Rusanov(Institute of Solid State Physics, Russian Academy of Sciences, 142432 Chernogolovka, Russia);Ivan S.Veshchunov(Institute of Solid State Physics, Russian Academy of Sciences, 142432 Chernogolovka, Russia); |
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Abstract: | Various metallic structures of complex shape resembling living plant organisms (biomimetics) are produced as a result of self-assembly of nanowires growing on porous membranes in the course of pulse current electrodeposition. These structures occur if the electroplating is continued after the nanowires appear on the membrane surface. By varying the membrane geometry, pulse current electroplating parameters, and alternating electrodeposition from two baths composed of a variety of electrolytes, diverse models were fabricated, including a hollow container with a wall thickness of 10 nm – 20 nm. This biomimetic method suggests an analogy between the shape-forming processes of plants and their metallic models. Nanostructured mesostructures of various metals (Ag, Pd, Ni), alloys (PdNi, PbIn) and hybrid structures (PdNi/Pb, PdNi/PbIn) were obtained. They can be of interest for fundamental research (self-assembly, morphogenesis) as well as for applications in nanotechnology (catalysis, nanoplasmonics, medicine, superhydrophobic surfaces). |
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Keywords: | templated growth pulse electroplating self-assembly metallic mesostructures nanowires fractal branching biomimetic method |
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