Facile Fabrication of NiO-Decorated Double-Layer Single-Walled Carbon Nanotube Buckypaper for Glucose Detection

ACS Applied Materials & Interfaces
Tianxiang ZhuXinluo Zhao

Abstract

A novel NiO-decorated flexible buckypaper (NiO-BP) was fabricated by a simple and scalable vacuum filtration method for electrochemical detection of glucose. The NiO-BP consists of two layers: one side is composed of purified single-walled carbon nanotubes, serving as the supporting layer, whereas the other side comprises NiO-loaded single-walled carbon nanotubes, serving as the catalyst layer. The morphology and structure of NiO-BP were characterized by scanning electron microscopy, transmission electron microscopy, X-ray diffraction and Raman spectroscopy. The fabricated NiO-BP was applied to the electrochemical detection of glucose. Under optimized conditions, the sensor exhibited a wide linear range of 0.1-9 mM for the determination of glucose with high sensitivity (2701 μA mM-1 cm-2) and a short response time (<2.5 s). The present work reveals that the buckypaper with a unique double-layer structure is promising for wearable biosensors.

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Citations

Mar 19, 2020·Journal of Materials Chemistry. B, Materials for Biology and Medicine·Nian YangCailing Xu
Jan 9, 2020·Mikrochimica Acta·Chuantao HouZonghua Wang
Aug 15, 2019·Journal of Materials Chemistry. B, Materials for Biology and Medicine·Friederike SchlüterFabio Rizzo
Oct 30, 2020·Chemical Communications : Chem Comm·Ming WeiXuping Sun
Dec 2, 2020·Materials Science & Engineering. C, Materials for Biological Applications·Yuanyuan LiLiqiang Luo
Feb 7, 2021·Materials Science & Engineering. C, Materials for Biological Applications·Tianxiang ZhuXinluo Zhao
Feb 26, 2021·Journal of Colloid and Interface Science·Khaled M AminWolfgang Ensinger
Apr 21, 2021·Nanoscale Research Letters·Ahmet AykaçMustafa Erol

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