METHOD FOR PRODUCING POLYMER FILM WITH HIGH CONCENTRATION OF SILVER NANOPARTICLES
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United States of America Patent
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Dec 29, 2015
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Nov 3, 2015
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Abstract
A method for producing a polymer film of polyvinyl alcohol (PVA) having a high concentration of silver nanoparticles (NPs) includes forming the NPs by drying the forming composition by the process of slow reduction of Ag ions by soft organic reductants. Changing a filling degree of Ag NPs in the film is achieved by displacement of Ag NPs and their seeds generated in the liquid PVA film under the action of a DC current at 2-6 mA. An example metal-polymer film with Ag NPs may be used in stealth technologies, for creating thermophotoelectric (TPE) elements, photo detectors, radiation cooling and heating of optoelectronic devices, in spectroscopy of surface-enhanced Raman scattering (SERS), and for manufacturing LC devices.
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