RT journal article
T1 Strong Metal-Support Interaction (SMSI) in Au/TiO2 photocatalysts for environmental remediation applications: Effectiveness enhancement and side effects
A1 Luna Aguilera, Manuel Jesús
A1 González Hidalgo, Adrián
A1 Díaz, Ana
A1 Goma Jiménez, Daniel
A1 Gatica Casas, José Manuel
A1 Mosquera Díaz, María Jesús
A2 Ciencia de los Materiales e Ingeniería Metalúrgica y Química Inorgánica
A2 Química Física
K1 Au/TiO2
K1 Environmental Photocatalysis
K1 NOx
K1 SMSI
K1 Soot
AB Strong Metal−Support Interaction (SMSI) is a well-known phenomenon of heterogeneous catalysis that have not been extensively investigated in photocatalytic applications. Moreover, the reactions previously studied for photocatalysts under SMSI state are mainly restricted to energy related uses. The present work seeks to explore the effect of SMSI induced by soft wet-chemistry in a Au/TiO2 photocatalyst with specific focus on photocatalytic environmental remediation. With this aim, the developed photocatalyst has been evaluated considering liquid, gas and solid pollutants in order to represent the wide range of environmental photocatalysis applications. These photooxidation scenarios were methylene blue dissolved in water, gaseous NO, and soot directly deposited on the photocatalyst. The results revealed that the SMSI induction has a generally positive effect on photoactivity promoting the MB and soot removal by 53% and 60%, respectively. However, the SMSI did not provide any additional benefit in the NOx elimination compared to the non-SMSI Au/TiO2 photocatalyst, because the enveloping of AuNPs limits the gold-pollutant interaction.
PB Elsevier
SN 2213-3437
YR 2023
FD 2023-04-17
LK http://hdl.handle.net/10498/28817
UL http://hdl.handle.net/10498/28817
LA eng
DS Repositorio Institucional de la Universidad de Cádiz
RD 11-nov-2026