The substantial role of TiO2 in bimetallic alloy nanoparticle arrangement: electrocatalytic determination of glucose at Ni-Co@TiO2@GCE

IF 2.8 4区工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

Journal of Materials Science: Materials in Electronics Pub Date : 2024-08-05 DOI:10.1007/s10854-024-13272-2

Muhammad Tariq, Muhammad Saqib, Abdur Rahim, Duncan S. Sutherland

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Abstract

Herein, we investigate glucose detection on Ni-Co supported on TiO₂. The polyol method is used for the synthesis of Ni-Co@TiO₂ nanocomposites (NCs). The morphological and structural properties of Ni-Co@TiO₂ NCs is examined by TEM, SEM, EDX, XRD, while the electrocatalytic properties of Ni-Co@TiO₂@GCE is monitored using voltammetry and amperometry. The Ni-Co@TiO₂@GCE exhibts tremendous electrocatalytic activity towards glucose at a working potential of + 0.45 V. The Ni-Co@TiO₂@GCE shows an excellent response in a wide linear range (0.2–12 mM) with a low limit of detection (0.044 µM), superior sensitivity (2950 µA/mM cm⁻²), stable, and selective response in the presence of interfering species (such as ascorbic acid, uric acid, acetaminophen, NaClz, fructose, xylose, lactose and maltose) within short time o (< 2 s). The Ni-Co@TiO₂@GCE is also applied for determination of glucose in a real blood sample of a diabetic patient.

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TiO2 在双金属合金纳米粒子排列中的重要作用：Ni-Co@TiO2@GCE 对葡萄糖的电催化测定

在此，我们研究了在 TiO2 上支撑的 Ni-Co 的葡萄糖检测。我们采用多元醇法合成了 Ni-Co@TiO2 纳米复合材料（NCs）。我们利用 TEM、SEM、EDX 和 XRD 观察了 Ni-Co@TiO2 纳米复合材料的形态和结构特性，并利用伏安法和安培法监测了 Ni-Co@TiO2@GCE 的电催化特性。在 + 0.45 V 的工作电位下，Ni-Co@TiO2@GCE 对葡萄糖表现出巨大的电催化活性。044 µM），灵敏度极高（2950 µA/mM cm-2），在干扰物（如抗坏血酸、尿酸、对乙酰氨基酚、NaClz、果糖、木糖、乳糖和麦芽糖）存在的情况下，也能在短时间（2 秒）内做出稳定的选择性反应。Ni-Co@TiO2@GCE 还被用于测定糖尿病患者真实血样中的葡萄糖。

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来源期刊

Journal of Materials Science: Materials in Electronics 工程技术-材料科学：综合

CiteScore

5.00

自引率

7.10%

发文量

1931

审稿时长

2 months

期刊介绍： The Journal of Materials Science: Materials in Electronics is an established refereed companion to the Journal of Materials Science. It publishes papers on materials and their applications in modern electronics, covering the ground between fundamental science, such as semiconductor physics, and work concerned specifically with applications. It explores the growth and preparation of new materials, as well as their processing, fabrication, bonding and encapsulation, together with the reliability, failure analysis, quality assurance and characterization related to the whole range of applications in electronics. The Journal presents papers in newly developing fields such as low dimensional structures and devices, optoelectronics including III-V compounds, glasses and linear/non-linear crystal materials and lasers, high Tc superconductors, conducting polymers, thick film materials and new contact technologies, as well as the established electronics device and circuit materials.