Thermally expandable microspheres (TEMs) are sophisticated microcapsules that contain a volatile blowing agent encased within a thermoplastic polymer shell. Upon heating, the shell softens, enabling ...
(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 ...