Issue 21, 2019

Synthesis of Bi3TaO7–Bi4TaO8Br composites in ambient air and their high photocatalytic activity upon metal loading

Abstract

Herein, we show that composites of Bi3TaO7–Bi4TaO8X (X = Cl, Br), two important Bi- and Ta-based light-responsive phases, can be prepared by high temperature, ambient air treatment of the precursors including easily oxidizable BiOX that retain the halide phases in excess of 60% and exhibit high photocatalytic activity. Furthermore, when these phases were loaded with less than 1% noble metals (Pd, Pt, Ag), nearly complete separation of the photogenerated excitons was observed, leading to a significant enhancement in the photocatalytic activity.

Graphical abstract: Synthesis of Bi3TaO7–Bi4TaO8Br composites in ambient air and their high photocatalytic activity upon metal loading

Supplementary files

Article information

Article type
Communication
Submitted
05 Phe 2019
Accepted
25 Ube 2019
First published
26 Ube 2019

Dalton Trans., 2019,48, 7110-7116

Synthesis of Bi3TaO7–Bi4TaO8Br composites in ambient air and their high photocatalytic activity upon metal loading

K. Chatterjee, M. Banoo, S. Mondal, L. Sahoo and U. K. Gautam, Dalton Trans., 2019, 48, 7110 DOI: 10.1039/C9DT00068B

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