Microwave-assisted synthesis and characterisation of uniform LaPO<inf>4</inf> nanorods
Lanthanum phosphate (LaPO 4 ) phosphor materials with one-dimensional (1D) nanorods and nanoparticles were successfully synthesised from LaCl 3 ·7H 2 O and Na 3 PO 4 ·12H 2 O with pH adjusted at the range 1-6 using 37% HNO 3 by the microwave radiation at 180 W for 60min. X-ray diffraction patterns...
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| Main Authors: | , , , |
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| Format: | Journal |
| Published: |
2017
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| Online Access: | https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84879988804&origin=inward http://cmuir.cmu.ac.th/jspui/handle/6653943832/42699 |
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| Institution: | Chiang Mai University |
| Summary: | Lanthanum phosphate (LaPO 4 ) phosphor materials with one-dimensional (1D) nanorods and nanoparticles were successfully synthesised from LaCl 3 ·7H 2 O and Na 3 PO 4 ·12H 2 O with pH adjusted at the range 1-6 using 37% HNO 3 by the microwave radiation at 180 W for 60min. X-ray diffraction patterns indicated that the as-synthesised products were hexagonal LaPO 4 nanostructures. Scanning electron microscopy and transmission electron microscopy analyses showed that these products were nanoparticles, short and long nanorods, controlled by pH of the precursor solutions. Asymmetric stretching and bending vibrations of the PO 4 groups were detected using Fourier transform-infrared spectroscopy. A possible formation mechanism of LaPO 4 phosphor materials with 1D nanorods and nanoparticles was also proposed according to the experimental results. © 2012 Taylor & Francis. |
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