Synthesis of alumina nanoparticles by heat treatment of thermal decomposed aluminium sulfate aerosol droplets

Burcak Ebin*, Sebahattin Gurmen

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Alumina particles were fabricated by thermal decomposition of aluminium sulfate aerosols obtained in ultrasonic atomizer at 800°C in air atmosphere, and then by heat treatment at 600 and 800°C. Energy dispersive spectroscopy (EDS) was performed to determine the chemical composition of prepared structures. The EDS analyses indicate that particles produced by thermal decomposition of aluminium sulfate aerosols have sulfur in their structures and it was removed by heat treatment. Also, size, shape, and surface morphology of samples were characterized by scanning electron microscope (SEM). Images revealed that alumina nanoparticles re-nucleated on the submicron particles by removing of sulphur in the structure, and thus agglomerated 30 - 50 nm sized nanoparticles were obtained in spherical morphology.

Original languageEnglish
Title of host publicationProceedings of the World Powder Metallurgy Congress and Exhibition, World PM 2010
PublisherEuropean Powder Metallurgy Association (EPMA)
ISBN (Print)9781899072194
Publication statusPublished - 2010
EventWorld Powder Metallurgy Congress and Exhibition, World PM 2010 - Florence, Italy
Duration: 10 Oct 201014 Oct 2010

Publication series

NameProceedings of the World Powder Metallurgy Congress and Exhibition, World PM 2010
Volume1

Conference

ConferenceWorld Powder Metallurgy Congress and Exhibition, World PM 2010
Country/TerritoryItaly
CityFlorence
Period10/10/1014/10/10

Keywords

  • Aerosol synthesis
  • Alumina
  • Nanoparticle

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