Role of oriented ceria nanoparticles in the decomposition of carbonized sucrose
Source abstract
Abstract
Cuboidal ceria nanoparticles have been used to enhance the rate of decomposition of carbonized sucrose. Pure sucrose has been subjected to pyrolysis under the nitrogen atmosphere at 500 °C to obtain carbonized sucrose. Ceria nanocuboids have been prepared by hydrothermal method. The transmission electron microscopy analysis shows formation of cuboids with sizes ranging from 10 to 40 nm. The X-ray diffraction and selected area electron diffraction studies show FCC structure of ceria. The line profile analysis of atomic rows on the surface of a typical ceria nanocuboid imaged along <011> zone axis has been presented. Temperature-dependent decomposition of carbonized sucrose has been studied by treating known amount of the material in a Thermogravimetric Analyzer (TGA). The weight loss observed in the case of pure carbonized sucrose and the one mixed with about 9% ceria nanocuboids, have been analyzed using FTIR spectra of the samples before and after TG treatment. Enhanced weight-loss, in the case of ceria mixed carbonized sucrose, has been explained as due to redox ability of ceria, owing to active {100} and {110} facets.
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Research context
OpenAlex topics: Advanced Nanomaterials in Catalysis · Electrochemical sensors and biosensors · Enzyme Catalysis and Immobilization
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References (39)
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