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 language | English |
|---|---|
| Pages (from-to) | 78-87 |
| Number of pages | 10 |
| Journal | Malaysian Journal of Microscopy |
| Volume | 17 |
| Issue number | 2 |
| State | Published - 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