Characterization of nano-rod ZnWO<inf>4</inf> prepared by surfactant-assisting solvothermal reaction
Nano-rod ZnWO4 was solvothermally prepared by the reaction of Zn(CH3COO)22H2O with Na2(WO 4).2H2O in water at 150-200°C using the pH of 5.0, 7.0, 9.0 and 12.0 for 24, 48 and 72 h. N-cetyl pyridinium chloride was used as a surfactant. By using XRD, SAED, EDX and TEM, nano-rod ZnWO4 containing Zn, W a...
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| Main Authors: | , , |
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| Format: | Book Series |
| Published: |
2018
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| Subjects: | |
| Online Access: | https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=38349166469&origin=inward http://cmuir.cmu.ac.th/jspui/handle/6653943832/61061 |
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| Institution: | Chiang Mai University |
| Summary: | Nano-rod ZnWO4 was solvothermally prepared by the reaction of Zn(CH3COO)22H2O with Na2(WO 4).2H2O in water at 150-200°C using the pH of 5.0, 7.0, 9.0 and 12.0 for 24, 48 and 72 h. N-cetyl pyridinium chloride was used as a surfactant. By using XRD, SAED, EDX and TEM, nano-rod ZnWO4 containing Zn, W and O was detected. The pH values can play a role in the length of the nano-rods and their crystallinities. FTIR revealed the presence of Zn-O-W, W-O and Zn-O stretching vibrations of the products. Their photoluminescent (PL) spectra are similar and the wavelengths at the highest intensities were detected over the range of 445-450 nm. |
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