Liquid and solid-state tunable organic dye lasers for medical applications

Duarte, F J

doi:10.1533/9780857097545.2.203

Cited by 3 publications

(1 citation statement)

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“…Organic dyes have a significant foothold in our everyday lives, as they provide vibrant colors to a range of commodities, from textiles to cosmetics to pharmaceuticals [ 1 ]. In addition, they are employed in the forefront of photovoltaic [ 2 ] and optics research [ 3 , 4 ]. However, the ubiquitous use of these organic dyes also makes them a major component in industrial effluents, causing widespread wastewater contamination.…”

Section: Introductionmentioning

confidence: 99%

Solar-Powered Photodegradation of Pollutant Dyes Using Silver-Embedded Porous TiO2 Nanofibers

et al. 2021

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Titanium dioxide (TiO2) nanomaterials have been ubiquitously investigated as a photocatalyst for organic contaminant treatment in wastewater due to their exemplary semiconductor properties. However, their huge band gap remains a barrier for visible light absorption, limiting their utility in practical applications. The incorporation of noble metals in the TiO2 scaffold would help mitigate the problem via plasmonic resonance enhancements. Silver (Ag) is the chosen noble metal as it is relatively cheap and has great plasmonic effects. In this study, the use of electrospun Ag-embedded TiO2 nanofibers as a photocatalyst is shown to be effective in decomposing rhodamine B and methyl orange dyes under a solar simulator in 3 h, which is more efficacious as opposed to pristine TiO2 nanofibers. This showcases the potential of a simple and economic wastewater treatment system for the removal of organic pollutants.

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