Controlling the morphology of a zinc ferrite-based aerogel by choice of solvent

Preston Brown, Deóis Ua Cearnaigh, Emily K. Fung, Louisa J. Hope-Weeks

Research output: Contribution to journalArticle

9 Scopus citations

Abstract

Zinc ferrite-based aerogels were prepared by the epoxide addition method. The effects of changing the reaction solvent were investigated. The porosity of the resultant materials was investigated by gas adsorption techniques while the microstructure of the aerogels was investigated by scanning electron microscopy and transmission electron microscopy. The solvent in which the gels were formed was found to have a profound impact on the surface morphology of the aerogels and the size of the nanoparticles therein. The aerogels were further analyzed by thermal gravimetric analysis and powder X-ray diffraction. After annealing at 350 °C, the porous material is found to maintain its nanocrystalline properties.

Original languageEnglish
Pages (from-to)104-111
Number of pages8
JournalJournal of Sol-Gel Science and Technology
Volume61
Issue number1
DOIs
StatePublished - Jan 2012

Keywords

  • Areogel
  • Sol-gel
  • Zinc ferrite

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