Oxidation of multicarbon compounds to CO2 by photocatalysts with energy storage abilities

Literature Information

Publication Date 2016-10-25
DOI 10.1039/C6CP06973H
Impact Factor 3.676
Authors

Yoshinori Kuroiwa, Susie Park, Tetsu Tatsuma


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Abstract

Photocatalysts can be used for removal of harmful or odorous organic compounds, but only under illumination. We previously developed a TiO2/Ni(OH)2 photocatalyst with an oxidative energy storage ability, and used it for oxidation of monocarbon compounds such as methanol and formaldehyde to CO2 by the stored energy. Here, we report that TiO2/Ni(OH)2 charged with oxidative energy can also oxidize multicarbon compounds such as acetaldehyde, acetic acid and acetone to CO2 even in the dark. We also report that MnOx can be used as an oxidative energy storage material if it is not in direct contact with the TiO2 photocatalyst (e.g. TiO2/nanoporous SiO2/MnOx). Photocatalytically charged MnOx can also oxidize methanol, acetaldehyde, acetic acid and acetone to CO2.

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Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics
CiteScore: 5.5
Self-citation Rate: 10.3%
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Physical Chemistry Chemical Physics (PCCP) is an international journal co-owned by 19 physical chemistry and physics societies from around the world. This journal publishes original, cutting-edge research in physical chemistry, chemical physics and biophysical chemistry. To be suitable for publication in PCCP, articles must include significant innovation and/or insight into physical chemistry; this is the most important criterion that reviewers and Editors will judge against when evaluating submissions. The journal has a broad scope and welcomes contributions spanning experiment, theory, computation and data science. Topical coverage includes spectroscopy, dynamics, kinetics, statistical mechanics, thermodynamics, electrochemistry, catalysis, surface science, quantum mechanics, quantum computing and machine learning. Interdisciplinary research areas such as polymers and soft matter, materials, nanoscience, energy, surfaces/interfaces, and biophysical chemistry are welcomed if they demonstrate significant innovation and/or insight into physical chemistry. Joined experimental/theoretical studies are particularly appreciated when complementary and based on up-to-date approaches.

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