Journal
CATALYSIS LETTERS
Volume 149, Issue 5, Pages 1147-1153Publisher
SPRINGER
DOI: 10.1007/s10562-019-02706-w
Keywords
Photocatalyst; Energy storage; Layered oxides; Antibacterial activity
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Funding
- Belarusian Republican Foundation for Fundamental Research [Kh18R-075]
- Russian Foundation for Basic Research [18-53-00020]
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The photocatalytic coatings based on the solvothermally-derived submicron particles of layered MoO3, V2O5, and WO3 with the islet TiO2 shell demonstrate excellent photoenergy storage ability accumulating the photoproduced charge, as evidenced by EPR measurements, via generation of hydrogen bronzes and Ti3+ states, which exhibit gradual oxidation in air conditions yielding peroxide. This continuous production of long-lived oxidation agent imparts bactericidal activity to the pre-exposed photocatalysts which retains for unprecedentedly long time (depending on the photocatalyst, the survival ratio below 0.5 is observed for E. coli bacteria for 10-12h after exposure). [GRAPHICS] .
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