IJFANS International Journal of Food and Nutritional Sciences

ISSN PRINT 2319 1775 Online 2320-7876

SYNTHESIS AND CHARACTERIZATION OF POLYOXOMETALATES FOR CATALYSIS

Main Article Content

*Dr Kusumadevi S

Abstract

Polyoxometalates (POMs) are a unique class of inorganic compounds characterized by metal-oxygen clusters that exhibit remarkable structural and electronic properties, making them highly effective catalysts in various chemical transformations. This study focuses on the synthesis and characterization of POMs, emphasizing their potential applications in catalysis. The synthesis of POMs typically involves the selection of suitable metal precursors, such as tungsten, molybdenum, and vanadium, combined with acidic or alkaline conditions to facilitate the formation of desired polyoxometalate structures. Precipitation reactions, followed by filtration and purification, yield pure POMs suitable for subsequent analysis. Characterization techniques employed include X-ray crystallography, infrared spectroscopy, nuclear magnetic resonance (NMR), and cyclic voltammetry. X-ray crystallography provides detailed structural insights, while infrared spectroscopy identifies functional groups and bonding environments. NMR allows for the examination of the local chemical environment of specific metal centers, and cyclic voltammetry elucidates the redox behavior of the POMs, which is crucial for their catalytic activity.

Article Details