S. Majumder, B. Saha, S. Dey, K. Bagani, M. Roy, S. Jana, Satyendra Kumar, Sangam Banerjee
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引用次数: 2
Abstract
In this manuscript we have successfully synthesized a large scale 3D dendritic α-Fe2O3 hierarchical structure via a hydrothermal reaction. The crystallinity, composition, purity, morphology of the synthesized α-Fe2O3 are characterized by powder X-ray diffraction (PXRD), field emission scanning electron microscopic (FESEM), energy dispersive X-ray spectroscopic (EDS). FESEM image reveals that the individual α-Fe2O3 dendrite consists of a long central trunk with secondary and tertiary branches. For electrochemical H2O2 sensing we have carried out cyclic voltammetry (CV), amperometric i-t measurement. It has been found that the current density vs. H2O2 concentration calibration curve is linear in nature. The present study reveals that the dendritic α-Fe2O3 hierarchical structure exhibits very sensitive electrochemical sensing capability towards H2O2 reduction.
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