Synthesis and Characterize of Porous Aluminum Oxide Nanoparticles

Volume 18 No 1 (2020)

Anwar H. Ali Al-Fouadi, Randa Kamel Hussain

DOI: 10.14704/nq.2020.18.1.NQ20115

Abstract

Polyvinyl alcohol (PVA) surfactant and calcination effect on the properties of the alumina powder were investigated. A sol-gel method used to prepare porous alumina from nano alumina that synthesized from colloidal. Among the phases appeared, the XRD analysis evidenced α -phase predominated. The bonding FTIR characterization showed a formation alumina hydroxide referring to the O–H stretching vibration peak. The variation of microstructure texture and the particle morphology were observed by FESEM. The pore size, pore volume, surface area and particle size were determined by BET analysis: 69.22nm, 0.012cm3/g, 0.626m2/g and 9.57nm respectively. The calcination (at 400 °C) of mesoporousalumina showed a decreasing of the pores size and increasing the surface area.

Keywords

Sol-gel, Alumina Porosity, Polyvinyl Alcohol Surfactant, Surface Area, Mesoporosity.

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