MORPHOLOGICAL AND OPTOSTRUCTURAL STUDIES ON HYDRAZINE HYDRATE ASSISTED Zr(SeO3)2 NANOPARTICLES
Zirconium diselenite (Zr(SeO3)2) nanoparticles have been prepared by precipitation method using ZrO(NO3)2.xH2O and SeO2 with Hydrazine hydrate and vary the temperature. The obtained samples were characterised by using XRD, FTIR, FESEM and optical analysis. The XRD study shows the orthorhombic crysta...
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| Autores principales: | , , , , |
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| Lenguaje: | English |
| Publicado: |
Sociedad Chilena de Química
2013
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| Materias: | |
| Acceso en línea: | http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-97072013000200026 |
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| Sumario: | Zirconium diselenite (Zr(SeO3)2) nanoparticles have been prepared by precipitation method using ZrO(NO3)2.xH2O and SeO2 with Hydrazine hydrate and vary the temperature. The obtained samples were characterised by using XRD, FTIR, FESEM and optical analysis. The XRD study shows the orthorhombic crystalline structure and particle sizes is found to be 78.06, 42.13 and 27.17 nm for 0.25:1, 0.5:1 and 0.75:1M respectively. FTIR results are confirmed the Zr(SeO3)2 at 885 cm-1, 739 cm-1 and 491 cm-1. FESEM images provide different shapes such as cubic and hexagonal of Zr(SeO3)2. Maximum absorption is found around 387 nm and the percentage of optical absorption is increased in the entire visible region when the molar concentration of zirconium decreases. The average band gap energy of the samples are found to be 3.95±2 eV. It is observed that the optical absorption is higher in the hydrazine hydrate assisted samples. |
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