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BiVO4 nano–leaves: Mild synthesis and improved photocatalytic activity for O2 production under visible light irradiation
- Source :
- CrystEngComm. 13:2500
- Publication Year :
- 2011
- Publisher :
- Royal Society of Chemistry (RSC), 2011.
-
Abstract
- Nano-leaf bismuth vanadate (BiVO4), which acts as an active photocatalyst for O2 evolution under visible light irradiation, was synthesized by a wet chemical method. The BiVO4 photocatalyst was obtained by the reaction of Bi(NO3)3·5H2O and NH4VO3 at a low temperature (60 °C). Both the morphology and the crystal phase of the synthesized product can be tuned by changing the concentrations of the precursor. The O2 evolution activity of BiVO4 nano-leaves from photocatalytic water splitting under visible light irradiation ( λ >420 nm) is significantly higher than that of the BiVO4 sample synthesized by a traditional solid state reaction method, and the activity can be further improved by annealing the samples.
Details
- ISSN :
- 14668033
- Volume :
- 13
- Database :
- OpenAIRE
- Journal :
- CrystEngComm
- Accession number :
- edsair.doi...........2b1306114a3e913021a164bca7f6a192