Ga-doped ZnO nanorods: The photocatalytic performance of methylene blue under solar irradiation

Al Ghafry, Sulaiman S. A. and Al-Abri, Mohammed Z. and Al Farsi, Basim and Al Marzouqi, Faisal and Al Farsi, Lamia M. and Roslan, Nur Adilah and Supangat, Azzuliani (2022) Ga-doped ZnO nanorods: The photocatalytic performance of methylene blue under solar irradiation. Optical Materials, 126. ISSN 0925-3467, DOI

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Access to clean water is one of the fundamental needs in our rapid lifestyle; a large amount of water pollution recently threatens this right. These contaminants have highlighted as a challenge to the conventional wastewater treatment process. In this article, a rapid microwave-assisted method has used to synthesize pristine and gallium doped ZnO nanorods on the glass substrate. Different levels of doping (0.5%, 1%, 3% and 5% Ga) have been investigated. Results show that the morphological properties of nanorods change significantly with Ga doping from 0.5% to 5%. Comparably, the crystalline size and surface roughness are also Ga content dependent. The existence of Ga in the ZnO lattice confirms the effective Ga-doping of ZnO NRs. The 1% Ga doping sample shows significant enhancement in visible light absorption, the recombination of photo generated charge carriers, and rapid degradation at more than 80% within 60 min compared to the pristine sample.

Item Type: Article
Funders: Ministry of Higher Education Malaysia under the Fundamental Research Grant Scheme[FP078-2018A], Nanotechnology Research Center, Sultan Qaboos University, Oman
Uncontrolled Keywords: Gallium;Doping;Nanorods;Zinc oxide;Photocatalysis
Subjects: Q Science > QC Physics
Divisions: Faculty of Science
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 18 Aug 2022 01:02
Last Modified: 18 Aug 2022 01:02

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