Journal
NEW JOURNAL OF CHEMISTRY
Volume 41, Issue 15, Pages 7020-7027Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7nj00436b
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- DST Purse phase II University of Madras
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We have developed the facile solvothermal decomposition route to fabricate a single phase zinc bismuthate (ZnBi38O60) binary composite nanostructure. Interestingly, the proposed technique provides a new pathway to synthesize similar multi compound oxide materials. The prepared ZnBi38O60 was characterized by different analytical techniques. Typical crystalline phase and chemical composition were confirmed using X-ray diffraction (XRD) and X-ray photoelectron spectra. Unique nanobundle morphology of the ZnBi38O60 was confirmed by field emission scanning electron microscopy (FE-SEM) and high resolution transmission electron microscopy (HR-TEM). A glassy carbon electrode modified using ZnBi38O60 nanobundles as the electrocatalyst was used to qualitatively and quantitatively determine 4-nitrophenol (4-NP) using cyclic voltammetry (CV) and differential pulse voltammetry (DPV). The modified electrode exhibits better sensitivity (1.024 mu A mu M-1 cm(-2)) and limit of detection (LOD) 35 x 10(-9) M. Thereby it can be concluded that ZnBi38O60 nanobundles could be another choice of electrocatalyst for 4-NP determination and can be extended to various nitro containing analytes.
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