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. 2019 Jan 9;6(1):181662. doi: 10.1098/rsos.181662

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© 2019 The Authors.

Published by the Royal Society under the terms of the Creative Commons Attribution License http://creativecommons.org/licenses/by/4.0/, which permits unrestricted use, provided the original author and source are credited.

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Figure 6. — (a) UV–vis spectra of TC solution as a function of irradiation time during photocatalytic tests; (b) comparison of the photocatalytic activity of TiO₂/SnO₂ composites with same Sn content and different heat treatment method: pseudo first-order kinetic constant (×10⁻³ min⁻¹) and mineralization degree, normalized by the photocatalyst surface area.