Ruhaimi, A. H. and Ab. Aziz, M. A. (2021) Spherical CeO2 nanoparticles prepared using an egg-shell membrane as a bio-template for high CO2 adsorption. Chemical Physics Letters, 779 (NA). pp. 1-8. ISSN 0009-2614
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Official URL: http://dx.doi.org/10.1016/j.cplett.2021.138842
Abstract
A spherical-like mesoporous cerium oxide (CeO2-BT) was prepared through biotemplating method using egg-shell membrane (ESM) as a template. The CeO2-BT has shown a smaller nanoparticle size (30–34 nm) and larger surface area (26.52 m2/g) compared to CeO2 prepared through thermal decomposition method (CeO2-TD). The CeO2-BT has also shown a lattice expansion with the high defect site and oxygen vacancies as evidenced by the Williamson-Hall (W-H) plot. These enhancements have resulted in excellent CO2 uptake of CeO2-BT (1.412 mmol/g), being 12-fold higher than that of CeO2-TD at 1 bar and 25 °C.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | biotemplating, CO2 adsorption, eggshell membrane |
| Subjects: | T Technology > TP Chemical technology |
| Divisions: | Chemical and Energy Engineering |
| ID Code: | 96563 |
| Deposited By: | Narimah Nawil |
| Deposited On: | 28 Jul 2022 06:34 |
| Last Modified: | 28 Jul 2022 06:34 |
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