Non-enzymatic Glucose Sensor Based on Graphene Oxide/ZnO Nanoarrays
LIANG Xu1, HAN Lu1, LEI Yajing1, LI Wen1, HUANG Ruibin2, CHEN Rongsheng1, NI Hongwei1, ZHAN Weiting1,*
1 The State Key Laboratory for Refractories and Metallurgy, Key Laboratory for Ferrous Metallurgy and Resource Utilization of Ministry of Education, Wuhan University of Science and Technology, Wuhan 430081, China 2 The First Affiliated Hospital of Nanchang University, Nanchang 330006, China
Abstract: Graphene oxide/ZnO nanorod arrays (GO/ZnO NRs) were prepared on the surface of stainless steel by microwave hydrothermal synthesis as an enzyme-free glucose sensor electrode. The morphology, organization and structure of the electrode were characterized by scanning electron microscope, X-ray diffractometer, transmission electron microscope, etc., and the electrode was subjected to current-time (I-t) through electrochemical workstation under light and non-light conditions. I-t curve tests were used to analyzed the photoelectrochemical performance of GO/ZnO NRs under different graphene oxide (GO) deposition conditions, and photoelectrochemical glucose sensing tests were performed on the electrode under enzyme-free conditions. The results show that the addition of GO transform the disordered nanoparticle/rod morphology of ZnO into an one-dimensional array of directional growth. With the increase of GO content, the vertical accumulation of ZnO(200) crystal planes is suppressed, while the crystal planes (100) and ( 101) are gradually accumulated. Thus, the morphology of ZnO NRs grow from the original sharp tip to a flat tip. The obtained GO/ZnO NRs have high detection sensitivity for glucose, low detection limit and good detection range.
作者简介: 梁旭,2018年6月毕业于济南大学,获得工程学士学位。同年进入武汉科技大学学习至今,主要从事ZnO和CuO纳米材料领域的研究。 詹玮婷,武汉科技大学副教授。武汉科技大学本硕博连读,2012年获得材料与冶金博士学位。2013年7月加入武汉科技大学省部共建耐火材料与冶金国家重点实验室工作至今,多年来从事纳米结构的设计与构筑、多功能高效抗菌材料、光催化纳米材料合成和生物功能化研究等方面的工作。发表相关的学术论文30余篇,被Electrochemistry Communications、Applied Surface Science、Journal of the Electrochemical Society、Ceramics International、Journal of Materials Science、《功能材料》等国内外重要学术期刊收录,申请国家发明专利8项,已授权7项。
引用本文:
梁旭, 韩露, 雷雅京, 黎雯, 黄瑞滨, 陈荣生, 倪红卫, 詹玮婷. 基于氧化石墨烯/ZnO纳米阵列的无酶葡萄糖传感器[J]. 材料导报, 2022, 36(13): 21010061-6.
LIANG Xu, HAN Lu, LEI Yajing, LI Wen, HUANG Ruibin, CHEN Rongsheng, NI Hongwei, ZHAN Weiting. Non-enzymatic Glucose Sensor Based on Graphene Oxide/ZnO Nanoarrays. Materials Reports, 2022, 36(13): 21010061-6.
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