Journal
INTERNATIONAL JOURNAL OF MODERN PHYSICS B
Volume 37, Issue 11, Pages -Publisher
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S0217979223501084
Keywords
SnO2 nanoparticles; cyclic voltammetry; differential pulse voltammetry; dopamine
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In this study, SnO2 nanoparticles were successfully prepared using Nelumbo nucifera leaves extract as a reducing agent. The synthesized material showed enhanced electrochemical sensing performance for dopamine detection compared to the bare electrode.
In this investigation, SnO2 nanoparticles are prepared through environmental benign method using Nelumbo nucifera (lotus leaf) leaves extract as a reducing agent without any other reagents. The phase formation and the morphology of the as-synthesized SnO2 nanoparticles are characterized by X-ray diffraction (XRD) and scanning electron microscopy (SEM). The nanoparticle size is obtained using selected area diffraction patterns of transmission electron microscope (TEM). The synthesized material modified glassy carbon electrode (GCE) is used for electrochemical detection of the dopamine (DA). In cyclic voltammetry (CV), the modified GCE shows effective electrochemical sensing performance than the bare GCE electrode. The limit of detection (LOD) and limit of quantification (LOQ) of DA were calculated by differential pulse voltammetry (DPV). Aforementioned material has high sensitivity and selectivity towards DA oxidation through electrochemical sensing.
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