MOF-derived MoS2@Co3S4 nanoparticles modified with Ag as efficient sensor for glucose determination
Source abstract
Abstract
In the present study, one-step hydrothermal route was utilized to synthesize pristine and Ag-doped MoS 2@Co 3S 4 hollow polyhedrons from zeolitic imidazolate framework-67 (ZIF-67). The obtained structure was then used to achieve a modified electrode for glucose (GL) determination. The Ag /MoS 2@Co 3S 4 nanohybrid was examined by XRD, TEM, FESEM, and EDX. The influence of co-presence of MoS 2, Co 3S 4 and Ag on the electrochemical activities of MoS 2@Co 3S 4 and Ag /MoS 2 @ Co 3S 4 was also explored. The amperometric response of Ag /MoS 2@Co 3S 4 modified glassy carbon electrode (GC electrode) in GL oxidation exhibited two linear ranges of (0.2 −30 µM and 50 µM – 1 mM) with limit of detection (LOD) of 0.05 µM. Compared to MoS 2/GC and MoS 2@Co 3S 4/GC electrodes, the Ag/MoS 2@Co 3S 4 /GC electrode displayed superior electrocatalytic activity for GL oxidation which can be assigned to the synergistic effect of Ag NPs. Examination of the effect of intrusive ions on the determination of analyte revealed the stability, reproducibility, and selectivity of sensor in GL determination. Accordingly, the Ag/MoS 2@Co 3S 4 could be an effective platform for GL determination.
Source: expertdata · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Electrochemical sensors and biosensors · Conducting polymers and applications · Advanced Nanomaterials in Catalysis
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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