High Photocatalytic Activity under Visible Light for a New Morphology of Bi2WO6 Microcrystals
Abstract
:1. Introduction
2. Results and Discussion
2.1. Crystallinity
2.2. Spectroscopic Properties
2.3. Morphology of Bi2WO6 and Bi2WO6-glyc Microcrystals
2.4. Catalytic Performance
3. Materials and Methods
3.1. Synthesis of Bi2WO6
3.2. Obtention of Bi2WO6-glyc Microcrystals
3.3. Characterization
3.4. Photocatalytic Tests
4. Conclusions
Supplementary Materials
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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ID | Lattice Parameters (Å) | V (Å3) | Dhkl (nm) | Ref. | ||
---|---|---|---|---|---|---|
a | b | c | ||||
Bi2WO6 | 5.443(3) | 16.428(1) | 5.451(2) | 487.45(8) | 24.761(78) | This work |
Bi2WO6-glyc | 5.437(1) | 16.433(4) | 5.457(9) | 487.66(4) | 20.153(80) | This work |
- | 5.437(3) | 16.430(2) | 5.458(4) | 487.63(3) | - | ♣ |
- | 5.457 | 16.435 | 5.438 | 487.71(1) | 70 | [11] |
ID | Egap (eV) | Degradation (%) | kobs x 10−3 (min−1) | t1/2 (min) | Ref. |
---|---|---|---|---|---|
Bi2WO6 | 2.88 | 81.3(3) | 22.68(02) | 30.56 | This work |
Bi2WO6-glyc | 2.78 | 94.2(8) | 55.89(01) | 12.40 | This work |
Photolysis | - | 8.2(5) | 4.54(09) | 152.67 | This work |
Bi2WO6 | 2.75 | - | 7.5 | 92.41 | [13] |
Bi2WO6 | - | - | 12 | 57.76 | [29] |
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Campos, W.E.O.; Nobre, F.X.; da Rocha Filho, G.N.; da Silva, M.A.R.; da Costa, C.E.F.; do Nascimento, L.A.S.; Zamian, J.R. High Photocatalytic Activity under Visible Light for a New Morphology of Bi2WO6 Microcrystals. Catalysts 2019, 9, 667. https://doi.org/10.3390/catal9080667
Campos WEO, Nobre FX, da Rocha Filho GN, da Silva MAR, da Costa CEF, do Nascimento LAS, Zamian JR. High Photocatalytic Activity under Visible Light for a New Morphology of Bi2WO6 Microcrystals. Catalysts. 2019; 9(8):667. https://doi.org/10.3390/catal9080667
Chicago/Turabian StyleCampos, Willison Eduardo Oliveira, Francisco Xavier Nobre, Geraldo Narciso da Rocha Filho, Marcos Augusto Ribeiro da Silva, Carlos Emmerson Ferreira da Costa, Luís Adriano Santos do Nascimento, and José Roberto Zamian. 2019. "High Photocatalytic Activity under Visible Light for a New Morphology of Bi2WO6 Microcrystals" Catalysts 9, no. 8: 667. https://doi.org/10.3390/catal9080667