395. Graphene in Electrochemical Sensors: A Full Comparison

The theoretical foundation of single-layer carbon dates back to the early work of physicist Philip Wallace in 1947. Decades passed before the scientific community fully understood the potential of this two-dimensional carbon allotrope. It was not until 2004 that researchers at the University of Manchester successfully isolated individual atomic layers using mechanical exfoliation. This breakthrough earned Konstantin Novoselov and Andre Geim the 2010 Nobel Prize in Physics and ignited a global race to commercialize the material. Today, researchers focus heavily on the application of single-layer carbon and its derivatives within advanced electrochemical sensors. These sensing devices rely on the unparalleled electrical and physical properties of the carbon lattice to detect minute trace chemical elements.\n\nThe material functions as an ideal component for electrochemical sensors due to its massive specific surface area and exceptional charge carrier mobility. The single atomic layer of carbon atoms provides an exposed plane where electrochemical reactions can occur with unprecedented sensitivity. Traditional sensor modifiers often struggle to maintain stability while simultaneously offering high conductivity at room temperature. Carbon in its two-dimensional form overcomes these limitations by facilitating rapid electron transfer between the analyte and the electrode surface. Scientists utilize these characteristics to engineer detection platforms capable of identifying specific biomolecules or environmental pollutants at microscopic concentrations. The integration of this nanomaterial into