Abstract
This study describes a simple, high-yield, rapid, and inexpensive route for the synthesis of cubic shape-like cerium oxide nanocubes (CeO2 NCs) using different urea concentrations (0.5, 1.0, and 2.0 g) by the hydrothermal method. The synthesized nanocubes (NCs) are labeled as CeO2 NCs-0.5, CeO2 NCs-1.0, and CeO2 NCs-2.0, corresponding to 0.5, 1.0, and 2.0 g of urea, respectively. The synthesized NCs were characterized by FT-IR, UV-visible, XRD, XPS, SEM and HR-TEM analysis. The synthesized NCs were cubic in shape with average sizes of 12, 12, and 13 nm for the CeO2 NCs-0.5, CeO2 NCs-1.0, and CeO2 NCs-2.0, respectively, obtained by the XRD analysis. The catalytic activity of the CeO2 NCs was studied for the purpose of obtaining the reduction of malachite green (MG) in the presence of sodium borohydride (NaBH4) at room temperature.
Highlights
Environmental pollution is one of the most serious problems facing human beings and other life forms due to the increasing population, industrialization, and urbanization[1]
CeO2 is an effective catalyst for the removal of organic dyes from effluents because ceria hops between Ce3+ and Ce4+ valence states containing oxygen vacancies that allow NCs to act as regenerative catalysts[32]
In this study we synthesized CeO2 NCs using urea (CH4N2O), as capping and reducing agent, urea was known as carbamide and it is soluble in water
Summary
Environmental pollution is one of the most serious problems facing human beings and other life forms due to the increasing population, industrialization, and urbanization[1]. The ceria nanocubes (CeO2 NCs) were synthesized via the one-pot hydrothermal method using different concentrations of urea.
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