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Production of Metallic Alloy Nanowires and Particles Templated Using Tomato Mosaic Virus (ToMV)

We demonstrate a simple, low-energy method whereby tomato mosaic virus (ToMV) particles can be used to template the production of nanowires and particles consisting of alloys of gold (Au), platinum (Pt) and palladium (Pd) in various combinations. Selective nanowire growth within the inner channel of...

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Published in:Nanomaterials (Basel, Switzerland) Switzerland), 2023-10, Vol.13 (19), p.2705
Main Authors: Shah, Sachin N, Heddle, Jonathan G, Evans, David J, Lomonossoff, George P
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description We demonstrate a simple, low-energy method whereby tomato mosaic virus (ToMV) particles can be used to template the production of nanowires and particles consisting of alloys of gold (Au), platinum (Pt) and palladium (Pd) in various combinations. Selective nanowire growth within the inner channel of the particles was achieved using the polymeric capping agent polyvinylpyrrolidone (PVPK30) and the reducing agent ascorbic acid. The reaction conditions also resulted in the deposition of alloy nanoparticles on the external surface of the rods in addition to the nanowire structures within the internal cavity. The resulting materials were characterized using a variety of electron microscopic and spectroscopic techniques, which revealed both the structural and chemical composition of the alloys within the nanomaterials.
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subjects Alloys
Analysis
Ascorbic acid
Carbon
Chemical composition
Chemical reactions
Chemicals
Electrons
Energy methods
Gold
Gold alloys
Gold base alloys
Gold-platinum alloys
Identification and classification
Metals
Methods
Nanoalloys
Nanomaterials
Nanoparticles
nanorods
Nanotechnology
Nanowires
Palladium
Platinum alloys
Polyvinylpyrrolidone
Properties
PVP
Reducing agents
Silicon wafers
Spectrum analysis
Tobacco mosaic virus
tomato mosaic virus
Tomatoes
Transmission electron microscopy
Viruses
title Production of Metallic Alloy Nanowires and Particles Templated Using Tomato Mosaic Virus (ToMV)
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