Tuning Catalytic Activity and Selectivity in Photocatalysis on Dielectric Cuprous Oxide Particles

Dye degradation has been for more than forty years in the scientific community. All these studies have primarily focused on breaking various dyes using catalysts driven by either light or heat. Most studies started to focus on metal-oxides after the discovery of water-splitting by TiO2. Among the ma...

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Bibliographic Details
Published in:arXiv.org 2022-11
Main Authors: Ravi Teja Addanki Tirumala, Sundaram Bhardwaj Ramakrishnan, Mohammadparast, Farshid, Andiappan, Marimuthu
Format: Article
Language:English
Subjects:
Catalysts
Catalytic activity
Copper oxides
Degradation
Dielectrics
Dyes
Methylene blue
Selectivity
Titanium dioxide
Tuning
Water splitting
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Summary:Dye degradation has been for more than forty years in the scientific community. All these studies have primarily focused on breaking various dyes using catalysts driven by either light or heat. Most studies started to focus on metal-oxides after the discovery of water-splitting by TiO2. Among the many catalysts used plasmonic metal nanostructures have been explored significantly in recent times due to their special property called localized surface plasmon resonances (LSPR). However, facing multiple problems of heat losses and instability, people started to focus on dielectric medium-to-high refractive indexed materials for photonic applications. Most of these dielectric materials have been studied from a physics point of view and less from chemistry. In this work, we have focused on how these materials can be used for tuning selectivity through wavelength-dependent studies by performing methylene blue (MB) dye degradation.
ISSN:2331-8422