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Information × Registration Number 0126U001087, R & D request Title Resistive and optical sensors of volatile organic compounds based on the superposition of size effects in nanostructured systems Head Dukarov Serhii V., Кандидат фізико-математичних наук Registration Date 30-01-2026 Organization Karazin University popup.description1 Volatile organic compounds (VOCs) are hazardous substances widely used in industry, occurring as byproducts of industrial processes and potentially as components of chemical munitions. At the same time, many of them are products of human metabolism, making VOCs effective biomarkers of the body's health. Their concentration in exhaled air can serve as a diagnostic tool, and their biogenic nature makes VOCs an indicator of destructive processes in food products, which are important for strategic food reserves. Therefore, the development of VOC sensors has multifaceted scientific and practical significance. Current electrochemical sensors typically require heating, which limits their application. A promising approach is the use of nanostructured materials capable of exhibiting new physical effects and providing accurate and energy-efficient VOC detection in various environments. The goal of the project is to establish the physical mechanisms by which volatile organic compounds (ammonia, acetone, ethanol, and etc.) influence the electrical resistance, capacitance, and photoluminescence properties of semiconductor thin-film layers (CuI, CuO, Cu2O, and CuO/Cu2O) with internal nanotuning elements. A consequence of the fundamental aspect of the research will be the development of film VOC sensors capable of operating at room temperature and based on the synergistic use of size and structural factors. The sensors are expected to have a detection limit of 0.05 ppm and can be integrated into flexible (resistive detection) and fiber optic (optical detection) technologies. popup.nrat_date 2026-01-30 Close