From Plates to Spheres: Tuning the Vanadyl Phosphate Morphology by Intercalation of Nitrosyl Oxide

• Published in: Synthesis and reactivity in inorganic, metal-organic, and nano-metal chemistry Vol. 44; no. 9; pp. 1231 - 1233
• Main Authors: de Miranda, José C. V., Dantas, Deyse de S., Dantas, João E. T. S., Pereira, Francisco C., de Farias, Robson F.
• Format: Journal Article
• Language: English
• Published: Taylor & Francis 21-10-2014
• Subjects: Intercalation; morphology; Nanostructure; nitrosyl oxide; Nitrosyls; Phosphates; Scanning electron microscopy; spheres; Synthesis; Tuning; vanadyl phosphate; X-rays
• ISSN: 1553-3174; 1553-3182
• DOI: 10.1080/15533174.2013.799490

The lamellar matrix VOPO
4
.2H
2
O was used to the intercalation of nitrosyl (NO) ligand. The vanadyl phosphate matrix, as well as the prepared intercalated compound (VOPO
4
.NO.H
2
O), were characterized by infrared spectroscopy, thermogravimetry, X-ray difractometry, and SEM microscopy. The X-ray diffraction patterns shown that the VOPO
4
.NO.H
2
O synthesis occurs with a decrease in the lamellar distance in comparison with VOPO
4
.2H
2
O. The SEM micrographs obtained for VOPO
4
.2H
2
O and VOPO
4
.NO.H
2
O shown that microstructure of vanadyl phosphate is flat square whereas the compound VOPO4.NO.H2O exhibits spheroid grains.