Metal Oxides for Heterogeneous Catalysis

Dear Colleagues,

Catalysis plays a key role in chemical, physical, and biological sciences and is one of the most important fields in industrial chemistry; it is used globally in the manufacture of over 10,000 products worth over $10 trillion per year, accounting for 15% of the world GDP. Thus, it would not be hyperbole to argue that the development of active, selective, and energy‐efficient heterogeneous catalytic processes will play the role of protagonist in humanity’s transition into a carbon‐neutral society as well as avoidance of the catastrophic consequences of climate change on the biosphere.

For the majority of different industrial catalytic reactions, the use of metal oxide catalysts is essential; these materials find uses in the majority of refining and petrochemical processes, the synthesis of chemicals, biomass transformation reactions, and the abatement and control of environmental pollution. These catalysts include simple or mixed metal oxides such as alumina, silica, ceria, titania, zirconia, lantana ZnO and CuO, silica–alumina, fluorite-structured ceria- or zirconia-based oxides, perovskites, hydrotalcites, layered clays, zeolites, metal organic frameworks (MOFs), complex oxides such as polyoxometalates (POMs) of Keggin or Dawson type, phosphates, multicomponent mixed oxides (e.g., molybdates, antimonates and tungstates), hexaaluminates, and high-entropy oxides. In particular, MOFs—a relatively new type of material with potential for rational design, intrinsic hybrid organic−inorganic nature, uncoordinated metal sites, readily accessible organic struts, structural diversity, and well defined porosity—are attracting increasing interest for heterogeneous catalysis applications.

This Special Issue invites contributions that focus on the development of solid metal‐oxide‐type catalysts for use in gas or liquid phase heterogeneous catalytic or photoelectrocatalytic reactions. Novel methods for the preparation of metal oxides, for example, soft chemistry, hydrothermal synthesis of zeolitic and microporous materials, ultrasound (US)- or microwave (MW)-assisted methods, ball milling, and electro- or photoactivated processes are especially welcome.

Dr. Nikolaos D. Charisiou
Dr. Kyriaki Polychronopoulou
Dr. Maguy Abi Jaoude
Guest Editors

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