DOI: https://doi.org/10.14710/reaktor.24.1.22-27

The Photocatalytic Activity of TiO2 Nanotube Doped Zn for Methylene Blue Degradation

*Eduardus Budi Nursanto orcid scopus  -  Chemical Engineering Department, Universitas Pertamina, Jalan Teuku Nyak Arif, Kebayoran Lama, Jakarta Selatan, 12220, Indonesia
Received: 5 Jul 2024; Published: 20 Sep 2024.
Open Access Copyright (c) 2024 Reaktor under http://creativecommons.org/licenses/by-nc-sa/4.0.

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Abstract

TiO2 nanotube (TiO2-NT) is one of the promising materials for photocatalytic water remediation. TiO2-NT doped Zn (Zn/TiO2-NT) is synthesized from P25 Degussa via one step hydrothermal method. From XRD and UV-DRS analysis, it showed that Zn as a doping material led to decrease band gap energy and decrease the crystallite size. The best results obtained was Zn/TiO2-NT with a crystallite size of 7.14 nm, and band gap energy value of 3.18 eV. Photocatalytic activity of Zn/TiO2-NT was also tested for photocatalytic activity of textile dye (methylene blue) degradation.  During the photocatalytic activity for methylene blue degradation, the Zn/TiO2-NT shows higher activity compared to non-doped sample. The non-doped sample shows degradation activity of 87.72%, meanwhile the Zn/TiO2-NT shows degradation activity of 95.88%.

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Section: Research Article
Language : EN
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