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Reverse Semi‐Combustion Driven by Titanium Dioxide‐Ionic Liquid Hybrid Photocatalyst
- 1.0532040 - ÚFCH JH 2021 RIV DE eng J - Článek v odborném periodiku
Qadir, Muhammad Irfan - Zanatta, M. - Pinto, J. - Vicente, I. - Gual, A. - Smith, E. F. - Neto, B. A. D. - de Souza, P. E. N. - Khan, S. - Dupont, J. - Fernandes, J. A.
Reverse Semi‐Combustion Driven by Titanium Dioxide‐Ionic Liquid Hybrid Photocatalyst.
ChemSusChem. Roč. 13, č. 20 (2020), s. 5580-5585. ISSN 1864-5631. E-ISSN 1864-564X
GRANT EU: European Commission(XE) 810310
Institucionální podpora: RVO:61388955
Klíčová slova: carbon dioxide * carbon monoxide * ionic liquids
Obor OECD: Physical chemistry
Impakt faktor: 8.928, rok: 2020
Způsob publikování: Open access
Unprecedented metal-free photocatalytic CO(2)conversion to CO (up to 228 +/- 48 mu mol g(-1) h(-1)) was displayed by TiO2@IL hybrid photocatalysts prepared by simple impregnation of commercially available P25-titanium dioxide with imidazolium-based ionic liquids (ILs). The high activity of TiO2@IL hybrid photocatalysts was mainly associated to (i) TiO2@IL red shift compared to the pure TiO(2)absorption, and thus a modification of the TiO(2)surface electronic structure, (ii) TiO(2)with IL bearing imidazolate anions lowered the CO(2)activation energy barrier. The reaction mechanism was postulated to occur via CO(2)photoreduction to formate species by the imidazole/imidazole radical redox pair, yielding CO and water.
Trvalý link: http://hdl.handle.net/11104/0310653
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