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      Stimuli-Responsive Silicon-Polymer Nanoparticles

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            Abstract

            Poly (dialkyl vinylphosphonate)s (PDAVPs) are an interesting class of polymers due to their thermoresponsive behavior close to the physiological range.[1] Rare Earth Metal-Mediated Group Transfer Polymerization (REM-GTP) is used to synthesize PDAVPs with narrow PDIs and high molecular weights.[2] In further studies we have shown the functionalization of hydride terminated silicon surfaces with PDAVPs applying Surface-Initiated GTP. These surfaces exhibit a temperature dependent change of polarity.[3] We used similar strategies to functionalize photoluminescent silicon nanoparticles with poly (diethyl vinylphosphonate) (PDEVP). Such hybrid nanoparticles still exhibit photoluminescence characteristics of silicon nanocrystals and the lower critical solution temperature effect of PDEVP above 35°C.

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            Conference
            ScienceOpen Posters
            ScienceOpen
            October 14 2014
            Article
            10.14293/P2199-8442.1.SOP-CHEM.PAZDDV.v1
            4870a775-3bc2-4db8-8d38-6b5bfa55283c

            This work has been published open access under Creative Commons Attribution License CC BY 4.0 , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Conditions, terms of use and publishing policy can be found at www.scienceopen.com .

            ISOS XVII BERLIN 2014
            History

            Chemistry
            Silicon functionalization, LCST, Group-Transfer Polymerization, Nanoparticles, Photoluminescence, PDAVP, PDEVP

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