Preparation, characterization and photoluminescence of nanocrystalline calcium molybdate
Nanocrystalline calcium molybdate was successfully synthesized from Ca(NO3)2 and Na2MoO4 in ethylene glycol using a microwave radiation method. Body-centered tetragonal structured calcium molybdate with narrow nanosized distribution was detected using XRD, SAED and TEM. A diffraction pattern was als...
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| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
2014
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| Online Access: | http://www.scopus.com/inward/record.url?eid=2-s2.0-67649270499&partnerID=40&md5=85d3a994fa4626996f4f8aa2722f715e http://cmuir.cmu.ac.th/handle/6653943832/5845 |
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| Institution: | Chiang Mai University |
| Language: | English |
| Summary: | Nanocrystalline calcium molybdate was successfully synthesized from Ca(NO3)2 and Na2MoO4 in ethylene glycol using a microwave radiation method. Body-centered tetragonal structured calcium molybdate with narrow nanosized distribution was detected using XRD, SAED and TEM. A diffraction pattern was also simulated and was found to be in accordance with those obtained from the experiment and JCPDS standard. Raman and FTIR spectra show the Mo-O prominent stretching bands in the [MoO4]2- tetrahedrons at 879.59 and 743-895 cm-1, respectively. Photoluminescence emission of CaMoO4 was detected at 477 nm, caused by the annihilation of a self-trapped excitons from the [MoO4]2- excited complex. © 2009 Elsevier B.V. All rights reserved. |
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