Graphene perovskite biosensor films represent an advanced sensing technology that combines graphene's exceptional electrical conductivity with perovskite's optoelectronic properties to create highly sensitive biological detection systems. These composite films typically consist of graphene sheets functionalized with perovskite crystals and biorecognition elements that can detect specific biological targets like proteins, DNA, or pathogens. The graphene component provides an excellent electron transport platform with high surface area, while perovskites contribute photoluminescence properties and signal amplification capabilities. When a biological target binds to the recognition elements on the film, it causes measurable changes in electrical conductivity, optical properties, or both, allowing for rapid and sensitive detection. These biosensors excel in medical diagnostics, environmental monitoring, and food safety applications due to their high sensitivity, potentially reaching single-molecule detection levels. The integration of these materials creates synergistic effects where graphene's fast electron transfer and perovskite's strong light absorption and emission work together to enhance sensing performance. Researchers continue to improve these films by optimizing material composition, developing novel fabrication techniques, and incorporating additional functional elements to increase specificity and reduce interference from non-target molecules.
What is the application of graphene perovskite (GP) biosensor film in medical diagnostics?
Last updated: April 27, 2025 • View editorial policy
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