SYNTHESIS OF FACETTED GAMMA ALUMINA NANOPARTICLES FROM WASTE BEVERAGE ALUMINIUM CANS FOR POTENTIAL CATALYST SUPPORT APPLICATIONS

Rozita Yahaya*, Ismail Zainol, Anwar Ul-Hamid, Hasliza Bahruji, Raja Mazuir Raja Ahsan Shah, Muhammad Hafiz Jasinih Jasri, Radiah Salleh

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

Green synthesis of gamma alumina (γ-Al2O3) nanoparticles (NPs) with facetted and cubeoctahedral morphologies was undertaken from waste (beverage aluminium cans) via precipitation technique and calcination at the temperature of 1000oC. The structural properties of γ-Al2O3 were determined with a combination of techniques including BET surface area, field emission scanning electron microscopy (FESEM) with energy dispersive x-ray spectroscopy (EDX), transmission electron microscopy (TEM) and x-ray powder diffraction (XRD). XRD analysis confirmed the formation of γ-Al2O3 NPs by comparing with the standard of γ-Al2O3 structure. The BET surface area measured was 129 m2/g. High-resolution transmission electron microscopy (HRTEM) analysis provided evidence of surface-enhanced contrast in facetted γ-Al2O3 NPs structures similar to the commercial γ-Al2O3 NPs.

Original languageEnglish
Pages (from-to)78-87
Number of pages10
JournalMalaysian Journal of Microscopy
Volume17
Issue number2
StatePublished - 20 Dec 2021

Bibliographical note

Publisher Copyright:
© Malaysian Journal of Microscopy (2021). All rights reserved.

Keywords

  • Green synthesis
  • TEM
  • XRD
  • waste aluminium cans
  • γ-Al2O3 nanoparticles

ASJC Scopus subject areas

  • Pathology and Forensic Medicine
  • Histology
  • Instrumentation

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