以碳布为载体的钴基碳酸盐硫化氢纳米阵列作为葡萄糖传感的电催化剂

IF 5.3 2区 材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY ACS Applied Nano Materials Pub Date : 2024-10-21 DOI:10.1021/acsanm.4c0557710.1021/acsanm.4c05577
Yujie Tian, Qiaoling Wang, Jianning Niu, Jiayu Liang, Yanfei Geng, Xin Liu, Jianlong Wang and Min Ma*, 
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引用次数: 0

摘要

地球上丰富的过渡金属基纳米材料被认为是最有前途的电化学传感材料之一。开发简便的方法制备过渡金属基催化剂用于非酶葡萄糖传感是电化学领域的一个有吸引力的问题。在本研究中,我们采用碳布(CC)作为自支撑基底,并通过绿色硫化策略开发了基于自支撑铜钴基碳酸盐硫化氢纳米阵列(CuCoS/CC)的非酶电化学葡萄糖平台。与原始催化剂相比,硫化后 CuCoS/CC 的导电性和电催化活性显著增强。所开发的电极具有 12113 μA mM-1 cm-2 的超高灵敏度、0.25-1883.25 μM 的宽线性范围以及 0.29 μM 的低检出限(S/N = 3)。同时,CuCoS/CC 还表现出令人满意的重现性、稳定性和抗干扰性,以及在实际样品分析中的可行性,证明了其在实际应用中的巨大潜力。我们的工作为设计钴基硫化物纳米阵列提供了一种简便的策略,可为开发用于无酶葡萄糖传感的过渡金属基化合物提供启发。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

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CuCo-Based Carbonate Hydrosulfide Nanoarray Supported on Carbon Cloth as Electrocatalysts for Glucose Sensing

Earth-abundant transition-metal-based nanomaterials are recognized as one of the most promising materials for electrochemical sensing. Developing facile methods to prepare transition-metal-based catalysts for nonenzyme glucose sensing is an attractive issue in the electrochemical fields. In this study, we employed carbon cloth (CC) as a self-supporting substrate and developed a nonenzymatic electrochemical glucose platform based on a self-supporting CuCo-based carbonate hydrosulfide nanoarray (CuCoS/CC) via a green sulfurization strategy. In contrast to those of the original catalyst, the electrical conductivity and electrocatalytic activity of CuCoS/CC were significantly enhanced after sulfurization. The developed electrode presented an ultrahigh sensitivity of 12113 μA mM–1 cm–2, a wide linear range of 0.25–1883.25 μM, and a low limit of detection (LOD) of 0.29 μM (S/N = 3). Meanwhile, the CuCoS/CC also exhibited satisfactory reproducibility, stability, and anti-interference together with feasibility in actual sample analysis, proving its excellent potential for real-world applications. Our work provides a facile strategy for designing CuCo-based sulfide nanoarrays and could serve as an inspiration for the development of transition-metal-based compounds for enzyme-free glucose sensing.

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来源期刊
CiteScore
8.30
自引率
3.40%
发文量
1601
期刊介绍: ACS Applied Nano Materials is an interdisciplinary journal publishing original research covering all aspects of engineering, chemistry, physics and biology relevant to applications of nanomaterials. The journal is devoted to reports of new and original experimental and theoretical research of an applied nature that integrate knowledge in the areas of materials, engineering, physics, bioscience, and chemistry into important applications of nanomaterials.
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