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2019 | OriginalPaper | Buchkapitel

Synthesis of Potassium Niobate (KNbO3) for Environmental Applications

verfasst von : Tiago Bender Wermuth

Erschienen in: Nanomaterials for Eco-friendly Applications

Verlag: Springer International Publishing

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Abstract

In recent years, environmental issues have become increasingly significant, mainly due to the contamination of water resources by chemicals and pharmaceuticals, such as medicines, disinfectants, contrast media, detergents, pesticides, dyes, paints, preservatives. Advanced techniques, such as advanced oxidative processes (AOPs), are being studied and improved for the removal of these contaminants in wastewater. Among some AOPs we can mention the use of heterogeneous photocatalysis process using materials based on perovskite (e.g. KNbO3) due to their different properties, such as ferroelectricity, optics and applications involving photocatalysis. The use of these materials has provided an improvement in photocatalytic activity through permanent internal polarization that can effectively separate the photoexcited charge carriers and effectively increase the efficiency of the degradation process.

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Metadaten
Titel
Synthesis of Potassium Niobate (KNbO3) for Environmental Applications
verfasst von
Tiago Bender Wermuth
Copyright-Jahr
2019
DOI
https://doi.org/10.1007/978-3-030-26810-7_10

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