Abstract
The rapid development of electrochemical sensors holds great promise to serve as a next-generation point of care safety devices. However, the practical performances of electrochemical sensors are cruelly limited by stability, selectivity and sensitivity. These issues have been well addressed by introducing rational designs into the modified electrode for achieving the required performances. Herein, we demonstrate the gadolinium oxide nanorods embedded on the graphene aerogel (GdO NRs/GA) for highly selective electrochemical detection of carbendazim (CDM). The GdO NRs/GA nanocomposite was characterized using X-ray diffraction, Raman spectroscopy, X-ray photoelectron spectroscopy , field emission gun scanning electron microscope, transmission electron microscope with elemental mapping and energy dispersive spectrometer. The GdO NRs/GA modified electrode shows a much improved electrochemical performance compared to those of the other electrodes. Interestingly, the GdO NRs are strongly anchored in the GA matrix, which provides a more sufficient pathway for the rapid electron and ion transportation. On the basis of these findings, our proposed sensor achieves a wide detection range from 0.01 to 75 µM with a correlation coefficient o...Continue Reading
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Feb 7, 2021·Journal of Hazardous Materials·Thangavelu Kokulnathan An-Ni-Sung
Feb 25, 2021·ACS Applied Materials & Interfaces·Thangavelu KokulnathanReem Darwesh
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