Biosynthesis of silver-doped nickel oxide nanoparticles and evaluation of their photocatalytic and cytotoxicity properties

In the present study, Ag-doped nickel oxide nanoparticles (NiO-NPs) were synthesized through a sol–gel method using of Cydonia oblonga plant extract as a new green stabilizing agent and employed Ni(NO 3 ) 2 ·6H 2 O and AgNO 3 as nickel and silver sources, respectively. The synthesized Ag-doped NiO-N...

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Bibliographic Details
Published in:Applied physics. A, Materials science & processing Materials science & processing, 2020-06, Vol.126 (6), Article 480
Main Authors: Ghazal, Samaneh, Akbari, Alireza, Hosseini, Hasan Ali, Sabouri, Zahra, Forouzanfar, Fatemeh, Khatami, Mehrdad, Darroudi, Majid
Format: Article
Language:English
Subjects:
Applied physics
Biosynthesis
Catalytic activity
Characterization and Evaluation of Materials
Condensed Matter Physics
Cytotoxicity
Machines
Manufacturing
Materials science
Nanoparticles
Nanotechnology
Nickel oxides
Optical and Electronic Materials
Photocatalysis
Photodegradation
Physics
Physics and Astronomy
Processes
Rhodamine
Silver
Sol-gel processes
Spectrophotometry
Stabilizers (agents)
Surfaces and Interfaces
Thin Films
Toxicity
Ultraviolet radiation
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Summary:In the present study, Ag-doped nickel oxide nanoparticles (NiO-NPs) were synthesized through a sol–gel method using of Cydonia oblonga plant extract as a new green stabilizing agent and employed Ni(NO 3 ) 2 ·6H 2 O and AgNO 3 as nickel and silver sources, respectively. The synthesized Ag-doped NiO-NPs have been calcinated at 400 °C. Formation of Ag-doped NiO-NPs was confirmed by the means of XRD, FESEM/EDAX, FTIR, TGA/DTG, UV–Vis spectrophotometry, and VSM techniques, and effect of silver diluent doping on the photocatalytic properties of NiO-NPs was investigated. The XRD results have indicated that the size of Ag-doped NiO-NPs has increased as the Ag concentration had been raised. The obtained particle size in optimized conditions (Ag-doped 3%) has been reported to be about 9.24 nm. In the following, the photocatalytic activity of Ag-doped NiO-NPs has investigated the degradation of Rhodamine B (RhB) dye, and according to the obtained results, about 75% of RhB degraded under UV-light after 200 min. The cytotoxicity effect of Ag-doped NiO-NPs on PC12 cell lines has been investigated by MTT assay, and the results showed that Ag-doped NiO-NPs inhibited cancer cells (IC 50 ̴ 35 µg/ml). Graphic abstract
ISSN:0947-8396
1432-0630
DOI:10.1007/s00339-020-03664-6