Synthesis of Oxygen Vacancy‐Enriched POM Heterostructure with Enhanced Metal–Support Interactions via Supercritical Anti‐Solvent Method for Ultratrace Cysteine Analysis
Wei‐Guang Xiong,
Chang‐Yong Li,
Ai‐Zheng Chen
et al.
Abstract:This study introduces a novel polyoxometalate (POM) heterostructure designed to address challenges in ultratrace analysis and sensor stability. Supercritical anti‐solvent and hydrothermal methods are employed to fabricate a composite that enhances stability, sensitivity, and selectivity for cysteine (Cys) detection. The optimization of inter‐component interactions and improved dispersibility contributes to superior stability and longevity. These preparation techniques increase the total oxygen vacancy density,… Show more
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