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Facile in Situ Silver Nanoparticle Formation in Insulating Porous Polymer Matrices

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journal contribution
posted on 10.01.2006, 00:00 by Sandra Rifai, Craig A. Breen, Daniel J. Solis, Timothy M. Swager
The in situ formation of well-dispersed silver nanoparticles in an insulating polymer matrix is reported. Poly(aryl ether)s (PAEs) incorporating an oxadiazole moiety were synthesized, and they demonstrated selective interaction with silver ions. Polymer−ion thin films were easily spin cast and exposed to hydrazine vapors in order to induce metal nucleation. Introducing a triptycene monomer into the polymer backbone resulted in a highly porous matrix and prevented nanoparticle aggregation. This provides a generalized approach to the facile preparation of well-dispersed metal nanoparticle embedded thin films.