An electrochemical sensor is established using an iron titanate (FeTiO) modified glassy carbon electrode (GCE) to detect nitrofurazone. Various microscopic and spectroscopic analysis was performed to reveal the properties of the prepared FeTiO hexagonal nanoplates. The FeTiO/GCE presents enhanced electrochemical response to nitrofurazone at the peak reduction potential of - 0.471 V with a larger peak current than the bare GCE due to high electrical conductivity, enhanced specific surface area, and abundant active sites. The superior nitrofurazone detection performance includes the low limit of detection of 0.002 μM and the sensitivity of 0.551 µA µM cm in the linear concentration range of 0.01-162.2 μM. The reproducibility and selectivity studies of the FeTiO/GCE show excellent results with a relative standard deviation of < 5%. The practicability of FeTiO/GCE is confirmed by monitoring nitrofurazone in actual samples. This work demonstrates that perovskite-type FeTiO has great potential in real-world sample analysis, and provides a new way to develop high-performance electrochemical sensors.
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