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TiO2 – Based Nanocomposites for Photocatalytic Degradation of Dyes and Drugs

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New Technologies, Development and Application IV (NT 2021)

Part of the book series: Lecture Notes in Networks and Systems ((LNNS,volume 233))

Abstract

Titanium dioxide (TiO2) has attracted increasing attention as a candidate for the photocatalytic degradation of organic compounds. However, the main drawback of pristine TiO2 is a large band gap (3.2 eV) and fast recombination of electrons and holes. Recently, transition metal cation doping, non-metal anion doping, semiconductor heterojunctions and surface modification with noble metals were used for making TiO2 nanocomposites in order to improve the light absorption efficiency and reduce the rate of recombination of generated electrons and holes. The presence of organic compounds in wastewater mainly generated from pharmaceutical and textile industries is a serious problem. This paper discusses on heterogeneous photocatalysis for the degradation of dyes and drugs which are the major wastewater pollutants. By photocatalytic degradation, the nanocomposites synthesized are able to remove 80–99% of organic pollutants in aqueous solution under UV and visible light.

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Authors and Affiliations

  1. Faculty of Technology, University of Tuzla, Univerzitetska 8, 75000, Tuzla, Bosnia and Herzegovina

    Amra Bratovcic

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  1. Amra Bratovcic
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Correspondence to Amra Bratovcic .

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  1. Academy of Sciences and Arts of Bosnia and Herzegovina, Sarajevo, Bosnia and Herzegovina

    Isak Karabegović

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Bratovcic, A. (2021). TiO2 – Based Nanocomposites for Photocatalytic Degradation of Dyes and Drugs. In: Karabegović, I. (eds) New Technologies, Development and Application IV. NT 2021. Lecture Notes in Networks and Systems, vol 233. Springer, Cham. https://doi.org/10.1007/978-3-030-75275-0_93

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