Glass is a versatile material that can be applied in a great variety of uses. This work aimed to obtain Ag nanoparticles (Ag-NPs) on the surface of phosphate glass systems through Na<sup>+</sup>/Ag<sup>+</sup> ion exchange. Atoms with recognized photocatalytic activity (Ti, Bi, Ce) were included in the glass compositions. The synthesized glasses were characterized using differential scanning calorimetry, X-ray diffraction, UV-Vis absorption and Raman spectroscopy and transmission electron microscopy. These glass samples containing Ag-NPs on their surface, due to surface plasmon resonance (SPR), will be assessed for photocatalytic activity, in a process known as plasmonic photocatalysis. The SPR effect will be used, in a first moment, to detect organic compounds in very low concentrations (pesticides present in natural waters, for instance) via SERS (surface-enhanced Raman scattering). Then, it will be of essential importance in the plasmonic photocatalysis experiment.

Synthesis, characterization and photocatalytic activity of oxide glass systems containing silver nanoparticles

Macromolecular Chemistry: The Second Century

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ACS Spring 2020 National Meeting & Expo

The official archive and repository for all ACS Meetings & Expositions abstracts and select posters or presentations.