Facile Fabrication of Single Crystalline Ceria Nanoparticles for Photo-Responsive Applications

Abstract:

The present investigation is about fabrication of single-crystalline ceria (CeO₂) nanoparticle by a hydrothermal route. High surface area CeO₂ was synthesized with transformation of morphology from nanofibers to nanocubes in response to processing conditions. A steady variation of average nanocrystallite size ca. in the range 3.0-16.9 nm and a range of band gap energy from 2.6 to 2.9 eV were measured. The surface area of the nanoparticles varied in the range 16.0136.1 m²/g and the variation in surface area is attributed to the nature of packing of particles. The ceria nanofibers could generate 870.5 µmol of H₂ in 3 h of irradiation.

• Periodical: Materials Science Forum (Volume 734)
• Pages: 127-137
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.734.127
• Online since: December 2012
• Authors: D.P. Das, Armita Dash, B.K. Mishra
• Keywords: Bandgap, Ceria, Cotton Fiber, Nanocubes, Nanoparticle, Porous Material

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