Abstract
AbstractDesigning and developing high‐efficiency multifunctional catalysts materials is a significant challenge. In this view, we synthesized Graphene Quantum Dots (gQDs)/Gadolinium Manganese Oxide (GMO) nanostructures for photocatalytic dye degradation and hydrogen peroxide sensing. The structural, optical, composition, and morphology properties of the gQDs/GMO nanostructures were analyzed by using various analytical tools. The gQDs/GMO catalyst shows higher degradation efficiency compared to pure catalysts under visible light irradiation which is due to the large surface area, lower band gap, small amount of hydrogen peroxide (H2O2), and synergetic effect of gQDs/GMO. Furthermore, we extensively investigate the nonenzymatic H2O2 sensing and the gQDs/GMO catalytic materials show higher sensing behavior. From our results, the gQDs embedded in gadolinium‐modified manganese oxide (gQDs/GMO) serve as an efficient photocatalyst material for environmental pollutant degradation under visible light irradiation with and the sensitive electrocatalyst for nonenzymatic H2O2 sensing applications.
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