Synthesis of Faceted Gamma Alumina Nanoparticles from Waste Beverage Aluminium Cans for Potential Catalyst Support Applications

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

    Research output: Contribution to journalArticlepeer-review

    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 1000 oC. 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
    Article number8
    JournalMalaysian Journal of Microscopy
    Volume 17
    Issue number2
    Publication statusPublished - 20 Dec 2021

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