A Novel Technique for the Deposition of Bismuth Tungstate onto Titania Nanoparticulates for Enhancing the Visible Light Photocatalytic Activity
Abstract
:1. Introduction
2. Materials and Methods
2.1. Oscillator Description
2.2. Deposition Conditions
2.3. Analytical Techniques
2.4. Evaluation of Photocatalytic Activity
3. Results and Discussion
3.1. Samples Overview and Composition
3.2. XRD
3.3. Band Gap Calculation
3.4. TEM Results
3.5. Photocatalytic Activity Measurement
4. Conclusions
Acknowledgments
Author Contributions
Conflicts of Interest
References
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Sample ID | Power on Bi Target, W | Power to W Target, W | at.%Ti/at.%Bi/at.%W Ratio | Bi/W Ratio | Crystallite Size, nm | BET Surface Area, m2/g | Band Gap, eV | Visible Light Acetone Degradation Constant, min−1m−2 |
---|---|---|---|---|---|---|---|---|
TiO2 | – | – | 100/0/0 | – | 7.2 | 345 | 3.20 | 1.08 × 10−5 |
BWO1 | 200 | 400 | 89/9/2 | 4.5/1 | 8.1 | 314 | 3.04 | 2.81 × 10−5 |
BWO2 | 150 | 450 | 88/8/4 | 2/1 | 8.7 | 309 | 2.99 | 5.56 × 10−5 |
BWO3 | 120 | 480 | 90/5/5 | 1/1 | 10.2 | 263 | 2.97 | 4.52 × 10−5 |
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Ratova, M.; Kelly, P.J.; West, G.T.; Tosheva, L. A Novel Technique for the Deposition of Bismuth Tungstate onto Titania Nanoparticulates for Enhancing the Visible Light Photocatalytic Activity. Coatings 2016, 6, 29. https://doi.org/10.3390/coatings6030029
Ratova M, Kelly PJ, West GT, Tosheva L. A Novel Technique for the Deposition of Bismuth Tungstate onto Titania Nanoparticulates for Enhancing the Visible Light Photocatalytic Activity. Coatings. 2016; 6(3):29. https://doi.org/10.3390/coatings6030029
Chicago/Turabian StyleRatova, Marina, Peter J. Kelly, Glen T. West, and Lubomira Tosheva. 2016. "A Novel Technique for the Deposition of Bismuth Tungstate onto Titania Nanoparticulates for Enhancing the Visible Light Photocatalytic Activity" Coatings 6, no. 3: 29. https://doi.org/10.3390/coatings6030029