NDLI: Development of MgO–Y$_{2}$O$_{3}$ Composite Nanopowder by Pechini Sol–Gel Method: Effect of Synthesis Parameters on Morphology, Particle Size, and Phase Distribution

Content Provider	SpringerLink
Author	Ghorbani, S. Razavi, R. Sh. Loghman Estarki, M. R. Alhaji, A.
Copyright Year	2017
Abstract	MgO–Y$_{2}$O$_{3}$ composite nanopowder was synthesized from Pechini method. Several experiments were conducted to examine the effects of the molar ratio of citric acid (CA) to transition metals (TM) calcination temperature and the pH value on the morphology, phases, and specific surface area of the samples. As-synthesized MgO–Y$_{2}$O$_{3}$ composite nanopowder were characterized by X-ray diffraction, field-emission scanning electron microscope (FESEM), transmission electron microscope, BET, thermal gravimetric–differential thermal analysis and Fourier transform infrared analysis. FESEM analysis revealed that the sample with the pH value of 1 and CA:TM = 10:1, had good homogeneity, and a spherical morphology with the particle size of 19.5 nm, while by increasing the pH up to 7 and 12, the particle size increased to 28.5 and 30.9 nm respectively. By increasing the mole ratio of CA to TM, the particle size and the specific surface area of MgO–Y$_{2}$O$_{3}$ composite nanopowder has reduced and by increasing the pH from 1 to 7 and 12, the particle size and the specific surface area of MgO–Y$_{2}$O$_{3}$ composite nanopowder has increased.
Starting Page	1523
Ending Page	1539
Page Count	17
File Format	PDF
ISSN	10407278
Journal	Journal of Cluster Science
Volume Number	28
Issue Number	3
e-ISSN	15728862
Language	English
Publisher	Springer US
Publisher Date	2017-01-17
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Magnesia Yttria Nanocomposite Sol–Gel Catalysis Inorganic Chemistry Physical Chemistry Nanochemistry
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Biochemistry Chemistry Materials Science

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