Development of Palladium on Bismuth Sulfide Nanorods as a Bifunctional Nanomaterial for Efficient Electrochemical Detection and Photoreduction of Hg(II) Ions
Source abstract
Abstract
A nanocomposite containing palladium nanoparticles embedded on bismuth sulfide nanorods (Pd@Bi2S3) was synthesized based on a solvothermal method. The structural features, composition, and morphology were characterized by XRD, FT-IR, FE-SEM-EDS, FE-TEM, HAADF-STEM, XPS, N2 physisorption, and UV–vis. Further electrochemical measurements by EIS, CV, DPV, and LSV techniques were done. It revealed that Pd@Bi2S3/GCE were exploited as electrochemical sensors for the detection of toxic mercuric ions (Hg2+), which provides a wide linear range of 0.049–445 μM, excellent sensitivity of 1.17 μA μM–1 cm–2, and detection limit of 13.5 nM. The modified electrode has also been successfully applied for the detection of Hg2+ in sea fish, river fish, and water samples. The Pd@Bi2S3/GCE signifies a robust, usability, and highly effective method for trace level detection of Hg2+ ions. Furthermore, these Pd@Bi2S3 bifunctional catalysts were discovered to have good photoreduction activity for Hg2+ ions upon the visible-light irradiation.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Electrochemical Analysis and Applications · Electrochemical sensors and biosensors · Advanced Chemical Sensor Technologies
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Chemistry, National Taiwan University, No. 1, Section 4, Roosevelt Road, Taipei 10617, Taiwan
Institute of Atomic and Molecular Sciences, Academia Sinica, No. 1, Section 4, Roosevelt Road, Taipei 10617, Taiwan
Department of Chemical Engineering and Biotechnology, National Taipei University of Technology, Taipei 10608, Taiwan
Funding
Ministry of Science and Technology, Taiwan
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