Polyacrylamide exotemplate-assisted synthesis of hierarchically porous nanostructured TiO₂ macrobeads for efficient photodegradation of organic dyes and microbes.

ABSTRACT: Nano/microscale TiO₂ materials and their composites have reached the pinnacle of their photocatalytic performances to destroy persistent organic pollutants and waterborne microorganisms, but their practical applications are limited by the drawbacks associated with their stability, leaching, processing and separation. To overcome these shortcomings, we have prepared hierarchically porous nanostructured TiO₂ macrobeads via an exotemplating or nanocasting strategy by infiltrating the TiO₂ sol into the emulsion-templated porous polyacrylamide scaffold followed by its gelation, drying and calcination. The nanoscale TiO₂ building units tailor the shape of the porous polymeric network after calcination thereby retaining the macroscale morphology

SUBMITTER: Mudassir MA 

PROVIDER: S-EPMC9085283 | biostudies-literature | 2018 Aug

REPOSITORIES: biostudies-literature