(Top left) Photograph of a transparent polymer composite synthesized by dispersing core@multi-shell upconversion nanoparticles in a polydimethylsiloxane (PDMS) polymer. (Right) Photographs of various ...
The range of viscosity ratios suitable for the fabrication of core–shell fibers was studied using a mixture of poly(methyl methacrylate) and polyacrylonitrile as a ...
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