Abstract
The fabrication of electrode material with unique physiochemical properties is significant to enhance electrochemical performance. In this work, we synthesized praseodymium vanadate (PrVO4) through green deep eutectic solvents (DES) by the solvothermal approach and explored it as an electrochemical sensor for furaltadone (FLD) detection. The as-prepared PrVO4 was characterized by using appropriate microscopic and spectrophotometric techniques. The modification of the electrode on PrVO4 showed excellent electrochemical performance due to its high conductivity, active sites, and fast electron transfer ability. The PrVO4-modified electrode displayed a dynamic linear range (0.008–91 μM), trace-level detection limit (0.002 μM), high sensitivity (4.276 μA µM–1 cm–2), and strong selectivity for FLD detection under optimum experimental conditions. The practical applicability of PrVO4 modified electrode was successfully investigated for the effective determination of FLD in pond water, human urine, and fish samples, revealing its potential application for real samples analysis. This work provide applicable guidelines for the design and development of DES-based electrode materials for the electrochemical sensor application.
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