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Synthesis of strontium oxide nanoparticlesby probe sonication method: Its photocatalytic activity and electrochemical sensor studies by K.B. Kusuma; M. Manju; C.R. Ravikumar; N. Raghavendra; T. Naveen Kumar; M.R. Anilkumar; H.P. Nagaswarupa; T.R. Shashi Shekhar; H.C. Ananda Murthy; K.U. Aravind is a Engineering article available to read on EtoBox.

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In this paper, we report on the synthesis of strontium oxide nanoparticles (SONPs) using a novel probe sonication method. Powder X-ray diffraction (PXRD) was used to characterize the physicochemical properties of the prepared materials, which confirmed that the average SrO crystallite size was 43 nm. The Kubelka-Monk function of diffuse reflectance spectroscopy (DRS) was used to confirm the average energy gap of SONPs (4.06 eV). SONPs have been successfully used in conjunction with inventive photocatalysts to remove dyes such as Methylene Blue (MB) and Acid Green (AG). MBand AG dyes were used as standard dyes to investigate the photocatalytic properties of NPs when exposed to UV light and sunlight.These nanometal oxides photodegrade methylene blue (87.70%) and acid green (71.20%) dyes with remarkable efficiency when exposed to UV light. These nanometal oxides demonstrated superior sensitivity when paracetamol was used as an analyte in cyclic voltammetry tests at various scan speeds (10 mV/s to 50 mV/s). As a result, SONPs may be useful in photocatalytic activity and electrochemical sensor applications.

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Author

K.B. Kusuma; M. Manju; C.R. Ravikumar; N. Raghavendra; T. Naveen Kumar; M.R. Anilkumar; H.P. Nagaswarupa; T.R. Shashi Shekhar; H.C. Ananda Murthy; K.U. Aravind

Publisher

Elsevier BV

Published

2023

Language

EN

Field

Engineering (Physical Sciences)