Application of plasmonic metal nanoparticles in TiO2-SiO2 composite as an efficient solar-activated photocatalyst: A review paper

Document Type

Article

Publication Date

1-29-2021

Abstract

Over the last decade, interest in the utilization of solar energy for photocatalysis treatment processes has taken centre-stage. Researchers had focused on doping TiO2 with SiO2 to obtain an efficient degradation rate of various types of target pollutants both under UV and visible-light irradiation. In order to further improve this degradation effect, some researchers resorted to incorporate plasmonic metal nanoparticles such as silver and gold into the combined TiO2-SiO2 to fully optimize the TiO2-SiO2's potential in the visible-light region. This article focuses on the challenges in utilizing TiO2 in the visible-light region, the contribution of SiO2 in enhancing photocatalytic activities of the TiO2-SiO2 photocatalyst, and the ability of plasmonic metal nanoparticles (Ag and Au) to edge the TiO2-SiO2 photocatalyst toward an efficient solar photocatalyst.

Keywords

TiO2-SiO2, Plasmonic metal nanoparticles, Visible region, Photocatalysis, Dye

Publication Title

Frontiers in Chemistry

Funders

Research and Innovation Management Center of University Malaysia Sabah

Volume

8

Publisher

Frontiers Media

Publisher Location

AVENUE DU TRIBUNAL FEDERAL 34, LAUSANNE, CH-1015, SWITZERLAND

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