Photocatalytic property of colloidal TiO2 nanoparticles prepared by sparking process
Titanium oxide nanoparticles (NPs) were successfully prepared by sparking off two titanium tips into water for 1-5 h. The nanoparticle-dispersed water was obtained for further characterization. The transmission electron microscopy result shows that the particle size is in the range of 1-5 nm. The el...
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| Main Authors: | , , |
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| Format: | Journal |
| Published: |
2018
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| Subjects: | |
| Online Access: | https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=44149111328&origin=inward http://cmuir.cmu.ac.th/jspui/handle/6653943832/60508 |
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| Institution: | Chiang Mai University |
| Summary: | Titanium oxide nanoparticles (NPs) were successfully prepared by sparking off two titanium tips into water for 1-5 h. The nanoparticle-dispersed water was obtained for further characterization. The transmission electron microscopy result shows that the particle size is in the range of 1-5 nm. The electron diffraction patterns and Raman spectra reveal that the as-prepared and the annealed samples at 250 °C are the anatase phase. However, the anatase-rutile phase transformation was observed from the samples at annealing temperature as low as 500 °C. The result of methylene blue-decoloration testing under sunbath suggests that the NPs have good photocatalytic property. © 2007 Elsevier B.V. All rights reserved. |
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