Abstract
Benzimidazole is a widely used compound exhibits intriguing networking capabilities. In this study, we synthesized and characterized mesoporous silica nanocomposites loaded with benzimidazole on reduced graphene oxide (GOSB). We investigated the impact of these composites on the long-term corrosion rate control of steel surfaces in aqueous solutions. The novel material's formation and behavior in the aqueous solution were assessed through comprehensive multi-technique analyses. The corrosion inhibition efficiency of GOSB was found to be remarkably high, with values of 98.07% and 99.29% determined from electrochemical impedance spectroscopy and potentiodynamic polarization studies, respectively. The superior protection observed on the steel surface in the aqueous GOSB solution can be attributed to the synergistic effects of two distinct surface layers and solution-based mechanisms. The interaction between the d-π* orbitals of the steel surface and benzimidazole molecules within GOSB emerges as the primary contributor to the formation of the protective layer. This straightforward solution-based approach opens up new avenues for future research in the realm of industrial corrosion prevention and coating.
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