Plastic-wrapped: A polycrystalline shell of platinum can be deposited on single-crystalline gold rods. The surfaces of these structures can be covalently functionalized with organic molecules to form Au/Pt/PS nanorods (see picture, PS=polystyrene) which are soluble in organic solvents. The grafted polymer chains are visualized by electron microscopy and detected by 1H NMR spectroscopy.
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