Room temperature ferromagnetism and enhanced photocatalytic activity of ZnO:Ga nanorods

In the present report, we represent on synthesis of pristine ZnO and ZnO:Ga nanorods by a simple and economical hydrothermal method. Comprehensive structural analyses revealed that the Ga dopant ions were effectively penetrated the ZnO parent matrix. Morphological analysis illustrated that the synth...

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Bibliographic Details
Published in:Applied physics. A, Materials science & processing Materials science & processing, 2021, Vol.127 (1), Article 64
Main Authors: Poornaprakash, B., Subramanyam, K., Vattikuti, S. V. Prabhakar, Kumar, Mirgender, Kim, Y. L., Mallem, Siva Pratap Reddy
Format: Article
Language:English
Subjects:
Applied physics
Aqueous solutions
Catalytic activity
Characterization and Evaluation of Materials
Condensed Matter Physics
Dopants
Dyes
Economic analysis
Ferromagnetism
Hysteresis loops
Light irradiation
Machines
Manufacturing
Materials science
Nanorods
Nanotechnology
Optical and Electronic Materials
Photocatalysis
Photoluminescence
Physics
Physics and Astronomy
Processes
Room temperature
Surfaces and Interfaces
Thin Films
Ultraviolet radiation
Zinc oxide
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Summary:In the present report, we represent on synthesis of pristine ZnO and ZnO:Ga nanorods by a simple and economical hydrothermal method. Comprehensive structural analyses revealed that the Ga dopant ions were effectively penetrated the ZnO parent matrix. Morphological analysis illustrated that the synthesized samples belonged to one-dimensional nanostructures such as nanorods. Optical studies revealed the substitution of the Ga dopant into the host lattice and reduction of the optical bandgap. Enhanced luminescence characteristics were observed in the pristine ZnO nanorods through photoluminescence spectroscopic analysis. Magnetic hysteresis loops indicated that both, the pristine ZnO and ZnO:Ga nanorods, exhibited strong ferromagnetic characteristics. Photocatalytic studies revealed that the ZnO:Ga nanorods exhibited enhanced photocatalytic activity than the pristine ZnO, by degrading methyl orange (MO) in aqueous media under UV light irradiation.
ISSN:0947-8396
1432-0630
DOI:10.1007/s00339-020-04201-1