Synthesis and Characterization of CexZr1-xO2 using Supercritical Water

Content Provider	Semantic Scholar
Author	Golmohammadi, Morteza Nasiri, H.
Copyright Year	2020
Abstract	Research subject: Due to the public attention to the environmental issues as well as strict environmental regulations, eco-friendly methods for synthesis of nanoparticles have received considerable attention in recent years. Research approach: In the present study, a mixed oxide nanoparticle containing cerium and zirconium (Cex-Zr1-xO2) was fabricated the in supercritical water (SCW) medium. The synthesized nanoparticles were characterized by various techniques, including X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), and transmission electron microscopy (TEM). Main results: Results demonstrated that fine nanoparticles with mean size of 13±3 nm, with high crystallinity, and with appropriate size distribution and surface area were synthesized by SCW. Moreover, an oxygen storage capacity (OSC) as high as 1.25 mmol O2/g was estimated for Cex-Zr1-xO2 nanoparticles through temperature programmed reduction in hydrogen (H2-TPR). According to the obtained results, the Cex-Zr1-xO2 nanoparticles could be a suitable candidate for catalysts of oxidation processes as well as three-way catalyst for control of automotive exhaust gases. key words Nanoparticle Catalyst Supercritical water Mixed oxide
Starting Page	3
Ending Page	12
Page Count	10
File Format	PDF HTM / HTML
Volume Number	3
Alternate Webpage(s)	https://arcpe.modares.ac.ir/article-38-36751-fa.pdf%20
Alternate Webpage(s)	https://arcpe.modares.ac.ir/article-38-36751-fa.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article