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. 2020 Mar 30;10(4):643. doi: 10.3390/nano10040643

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© 2020 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Mechanisms of photocatalytic antibacterial activity (a) p-n junction by heterostructured Cu₂O and TiO₂ (b) Type-2 heterostructures of anatase and rutile TiO₂ nanoparticles. Images of S. aureus colonies in the agar plates with (right) and without (left) Cu-TiO₂ nanomaterials after 30 min illumination. Reproduced with permission from ref. [84]. Copyright © 2018, MDPI.