Abstract
Research towards the establishment of photoelectrocatalytic oxidation of organics as an advanced oxidation method for the degradation of organic pollutants (sometimes coupled with the production of hydrogen or electric energy) is reviewed. Apart from the principles and the historical background of the method, special emphasis is given to its applicability under visible light illumination. To that direction, the photoanode materials that show visible light activity are reviewed. These can be classified as single component semiconductors, bi-component semiconductors and modified TiO2-materials. The latter include non-metal-doped (e.g. C-, N-, S-doped) as well as metal-decorated (e.g. Pt-, Au-, Ag-decorated) TiO2 oxide powders or nanotubes. Studies aimed at testing the activity of these materials towards model organic compounds oxidation as well as actual pollutants are presented. The potential of the method, especially for air treatment and for simultaneous energy and/or hydrogen production is emphasized.
Keywords: Photoanodes, photoelectrocatalysis, photooxidation, semiconductors, titanium dioxide, visible light.
Graphical Abstract
Call for Papers in Thematic Issues
Advances of Heterocyclic Chemistry with Pesticide Activity
Global food safety and security will continue to be a global concern for the next 50 years and beyond. Plant diseases have had a significant impact on food safety and security throughout the entire food chain, from primary production to consumption. While conventional chemical pesticides have been traditionally used for ...read more
Calculation design of covalent/metal organic framework based catalysts
This research area combines theoretical computation and screening with machine learning for the design of covalent/metal organic framework-based catalysts, bridging the disciplines of organic chemistry, physical chemistry, computational chemistry, materials science, and machine learning. It covers several critical aspects: designing and synthesizing organic catalysts for improved performance, applying computational methods ...read more
Carbohydrates conversion in biofuels and bioproducts
Biomass pretreatment, hydrolysis, and saccharification of carbohydrates, and sugars bioconversion in biofuels and bioproducts within a biorefinery framework. Carbohydrates derived from woody biomass, agricultural wastes, algae, sewage sludge, or any other lignocellulosic feedstock are included in this issue. Simulation, techno-economic analysis, and life cycle analysis of a biorefinery process are ...read more
Catalytic C-H bond activation as a tool for functionalization of heterocycles
The major topic is the functionalization of heterocycles through catalyzed C-H bond activation. The strategies based on C-H activation not only provide straightforward formation of C-C or C-X bonds but, more importantly, allow for the avoidance of pre-functionalization of one or two of the cross-coupling partners. The beneficial impact of ...read more
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