Sol-gel synthesis of Au/TiO2 thin films for photocatalytic degradation of phenol in sunlight

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Mesoporous plasmonic Au-TiO2 nanocomposites for efficient visible-light-driven photocatalytic water reduction (2012, methodology): “The metal-loading process was usually implemented by depositing Au nanoparticles over pre-synthesized TiO2 or commercial P25 titania through photodeposition under UV light irradiation or deposition-precipitation processes[19-25].”
Recent developments in environmental photocatalytic degradation of organic pollutants: the case of titanium dioxide nanoparticles—a review (2015, background): “For example, during the ageing of gels and drying of films, the sols produce vapours which cause environmental pollution [287].”
Enhanced photocatalytic activity of Bi4Ti3O12 nanosheets by Fe3+-doping and the addition of Au nanoparticles: Photodegradation of Phenol and bisphenol A (2017, background): “The rapid expansion of global industry has led to serious environmental problems such as water and air pollution, which present health problems to mankind [1].”
Influence of parameters on the heterogeneous photocatalytic degradation of pesticides and phenolic contaminants in wastewater: a short review. (2011, background): “The highest photocatalytic degradation of phenol using 2%-Au/TiO2 was observed at 275 o C in solar light (Sonawane and Dongare2006).”