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Epitaxial growth of rutile-type noble metal oxides layers on rutile TiO2 for heterogeneous catalysis
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DOI：10.1039/d5cc06834g.png)
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Abstract
En 中文
The construction of coherent oxide-oxide interfaces provides an effective route to modulate metal-support interactions and bridge atomic-level structure with catalytic function. This Feature Article summarises recent advances in the epitaxial growth of rutile-type noble metal oxides (RuO2, IrO2, and PtO2) on rutile TiO2 and their implications for heterogeneous catalysis. The lattice-matched rutile-rutile framework enables the stabilisation of ultrathin oxide layers, precise control of interfacial coordination and oxidation states, and improved structural stability under both oxidative and reductive conditions. We discuss how such epitaxial interfaces influence catalytic activity and durability across representative reactions, including HCl oxidation, CO2 hydrogenation, and diverse redox processes. Particular attention is given to the recent identification of beam-sensitive PtO2 epitaxial layers, which resolves long-standing uncertainties in PtO2/TiO2 interface structures. Finally, we highlight key challenges and perspectives for advancing lattice-matched oxide epitaxy as a general design strategy toward structurally defined, durable catalysts for energy and environmental transformations.
Keywords:
RU/TIO2 CATALYSTS
HCL OXIDATION
ENHANCED ACTIVITY
CRYSTAL-STRUCTURE
TITANIUM-DIOXIDE
CO2 METHANATION
DEACON PROCESS
STABILITY
RUO2
NANOPARTICLES
Journal
IF:
4.2
Papers:
5.9W
Citations:
16.5W
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Cited Papers