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. 2021 May 28;14(13):2710–2720. doi: 10.1002/cssc.202100721

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© 2021 The Authors. ChemSusChem published by Wiley-VCH GmbH

This is an open access article under the terms of the http://creativecommons.org/licenses/by-nc/4.0/ License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited and is not used for commercial purposes.

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(a) TPD profiles after NH₃ probe molecule adsorption. (b) FTIR spectra of the TiO₂ catalysts with adsorbed pyridine. (c) Evolution of the pyridine adsorbed on Lewis acid sites as a function of evacuation temperature.