Microwave-assisted hydrothermal synthesis of BiOCl/Bi<inf>2</inf>WO<inf>6</inf> nanocomposites for the enhancement of photocatalytic efficiency
© 2019, Springer Nature B.V. In this research, BiOCl/Bi2WO6 nanocomposites were successfully synthesized by a microwave-assisted hydrothermal method. Phase, morphology and optical properties of the as-synthesized products were investigated by X-ray powder diffraction, Raman spectroscopy, X-ray photo...
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| Main Authors: | , , , , , |
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| Format: | Journal |
| Published: |
2019
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| Subjects: | |
| Online Access: | https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85059898895&origin=inward http://cmuir.cmu.ac.th/jspui/handle/6653943832/63614 |
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| Institution: | Chiang Mai University |
| Summary: | © 2019, Springer Nature B.V. In this research, BiOCl/Bi2WO6 nanocomposites were successfully synthesized by a microwave-assisted hydrothermal method. Phase, morphology and optical properties of the as-synthesized products were investigated by X-ray powder diffraction, Raman spectroscopy, X-ray photoelectron spectroscopy, field emission scanning electron microscopy and photoluminescence (PL) spectroscopy. The as-synthesized products were BiOCl/Bi2WO6 nanocomposites composed of Bi2WO6 microflowers mixed with BiOCl nanoplates. The photocatalytic properties of BiOCl/Bi2WO6 nanocomposites were estimated through photodegradation of rhodamine B and salicylic acid as organic models in wastewater. The 80 wt% BiOCl/Bi2WO6 nanocomposites presented the highest photocatalytic efficiency and were certified for the lowest photonic emission by PL analysis. There was a trivial loss of activity even after four re-cycle tests. A mechanism for photocatalysis by BiOCl/Bi2WO6 nanocomposites was also proposed. |
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