二维<strong>CdO</strong>纳米棒的制备及其用于葡萄糖传感器的可行性

doi:10.11901/1005.3093.2020.036

材料研究学报

2021, Vol. 35

Issue (1): 53-58 DOI: 10.11901/1005.3093.2020.036

研究论文

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二维CdO纳米棒的制备及其用于葡萄糖传感器的可行性

王永鹏, 贾治豪, 刘梦竹(

)

吉林化工学院吉林 132022

Feasibility of Electrospun 2-Dimensional CdO Nanorods for Application in Glucose Sensors

WANG Yongpeng, JIA Zhihao, LIU Mengzhu(

)

Jilin Institute of Chemical Technology, Jilin 132022, China

引用本文:

王永鹏, 贾治豪, 刘梦竹. 二维CdO纳米棒的制备及其用于葡萄糖传感器的可行性[J]. 材料研究学报, 2021, 35(1): 53-58.
Yongpeng WANG, Zhihao JIA, Mengzhu LIU. Feasibility of Electrospun 2-Dimensional CdO Nanorods for Application in Glucose Sensors[J]. Chinese Journal of Materials Research, 2021, 35(1): 53-58.

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摘要:

以聚乙烯吡咯烷酮(PVP)为模板采用静电纺丝法并结合高温煅烧制备出二维CdO纳米棒，用SEM、TGA、DSC、FT-IR及XRD等手段对产物的形貌和结构进行了表征。结果表明，所得纳米棒为纯度较高的CdO，呈互相粘连的二维平面薄膜和多孔结构形貌。这种形貌的生成与聚合物的熔融分解有关。用这种材料修饰玻碳电极并检测了对葡萄糖的电氧化性能，结果表明：与普通CdO粉(末修饰的)玻碳电极相比，修饰过的电极表现出较强的响应性和抗干扰性。其原因是，CdO的二维纳米棒状形貌增大了比表面积，从而使其活性提高。将二维CdO纳米棒用于葡萄糖传感器，具有可行性。

关键词 ：材料合成与加工工艺, 氧化镉纳米棒, 静电纺丝, 葡萄糖传感器, 二维纳米结构

Abstract：

2-dimensional CdO nanorods were fabricated by electrospinning technique with poly(vinyl pyrrolidone) (PVP) as template and subsequently calcinated. SEM, TGA, DSC, FT-IR and XRD were used to characterize the morphology and structure of the as-prepared nanorods. The results show that the CdO nanorods is highly purified with a special morphology, namely, the nanorods stick together to form a porous film. The special morphology is related to the melting of PVP polymer during calcination. The prepared CdO nanorods were subsequently used to modify a glassy carbon electrode and then, with which the direct electrocatalytic oxidation of glucose was investigated. Results show that the CdO nanorods modified electrode has a better response to glucose and stronger resistance to the interference from AA, UA and ethanol rather than the electrode modified with CdO powder. The improved performance can be ascribed to the 2-dimensional CdO nanorods morphology, which enhanced the specific surface area, thereby enhancing the activity of electrode, facilitating the oxidation of glucose. So that, the fabricated CdO nanorods have the possibility of application as glucose sensor.

Key words： synthesizing and processing technics for materials cadmium oxide nanorods electrospinning glucose sensor two-dimensional nano structure

收稿日期: 2020-02-06

ZTFLH:

O69

基金资助:吉林省教育厅“十三五”科学技术项目(JJKH20190831KJ);吉林市科技创新发展计划(201831765)

作者简介: 王永鹏，男，1986年生，博士，副教授

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https://www.cjmr.org/CN/10.11901/1005.3093.2020.036 或 https://www.cjmr.org/CN/Y2021/V35/I1/53

图1 PVP/Cd(CH3COO)2复合纳米纤维煅烧前、煅烧后和纯CdO粉末的扫描电镜(SEM)照片

图2 纳米棒的生成原理示意图

图3 纯PVP纳米纤维和PVP/Cd(CH3COO)2复合纳米纤维的TGA曲线和DSC曲线

图4 PVP/Cd(CH3COO)2复合纳米纤维及其在600℃煅烧4 h 后的红外光谱

图5 纯CdO粉末和PVP/Cd(CH3COO)2复合纳米纤维高温煅烧后的XRD谱图

图6 CdO-powder-GCE和CdO-NRs-GCE在0.1 mol/L NaOH中的循环伏安曲线

图7 CdO-NRs-GCE在不同溶液中的循环伏安曲线

图8 CdO-powder-GCE电极和CdO-NRs-GCE电极在0.40 V条件下对0.1 mol/L NaOH溶液连续添加3 mmol/L葡萄糖、0.1 mmol/L抗坏血酸、0.1 mmol/L尿酸、10 mmol/L乙醇后的抗干扰分析测试曲线

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