One-step Hydrothermal Synthesis of CuS/MoS Composite for Use As an Electrochemical Non-enzymatic Glucose Sensor

Overview

Journal Heliyon

Specialty Social Sciences

Date 2024 Feb 5

PMID 38312675

Authors

Krishna Prasad Sharma

Miyeon Shin

Ganesh Prasad Awasthi

Soonhwan Cho

Changho Yu

Affiliations

Soon will be listed here.

Abstract

Early diagnosis may be crucial for the prevention of chronic diabetes mellitus. For that herein, we prepared a CuS/MoS composite for a non-enzymatic glucose sensor through a one-step hydrothermal method owing to the synergetic effect of CuS/MoS. The surface morphology of CuS/MoS was studied by Field Emission Scanning Electron Microscopy (FESEM) and Cs-corrected Scanning Transmission Electron Microscopy (Cs-STEM). The crystallinity and surface composition of CuS/MoS were analyzed by X-ray Diffraction (XRD) and X-ray Photoelectron Spectroscopy (XPS) respectively. The working electrode was prepared from CuS/MoS electrocatalyst, and for that dispersed solution of electrocatalyst was used to fabricate the material-loaded glassy carbon electrode (GC). CuS/MoS composite shows the viability of electrocatalyst to oxidize glucose in an alkaline solution with sensitivity and detection limit of 252.71 μA mM cm and 1.52 μM respectively. The proposed glucose sensor showed reasonable stability and potential selectivity during electrochemical analysis. Accordingly, the CuS/MoS composite has potential as a viable material for glucose sensing in diluted human serum.

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