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Non-Enzymatic Glucose Sensor Based on a Copper Oxide Nanoflowers Electrode Decorated with Pt Nanoparticles

백금 나노입자가 분산된 3차원 산화구리 나노구조체 기반의 글루코스 검출용 비효소적 전기화학 센서 개발

  • Song, Min-Jung (Department of Nano Convergence Engineering, Seokyeong University)
  • 송민정 (서경대학교 나노융합공학과)
  • Received : 2018.02.23
  • Accepted : 2018.03.16
  • Published : 2018.10.01

Abstract

An electrochemical glucose sensor with enzyme-free was fabricated using Pt nanoparticles (Pt NPs) decorated CuO nanoflowers (CuO NFs). 3-D CuO nanoflowers film was directly synthesized on Cu foil by a simple hydrothermal method and Pt NPs were dispersed on the petal surface of CuO NFs through electrochemical deposition. This prepared sample was noted to Pt NPs-CuO NF. Morphology of the Pt NPs-CuO NFs layer was analyzed using scanning electron microscopy (SEM) and energy-dispersive X-ray spectroscopy (EDS). The electrochemical properties and sensing performances were investigated using cyclic voltammetry (CV) and chronoamperometry (CA) under alkaline condition. The sensor exhibited a high sensitivity, wide liner range and fast response time. Its excellent sensing performance was attributed to the synergistic effect of the Pt NPs and CuO nanostructure.

Keywords

CuO nanoflowers;Pt nanoparticles;non-enzymatic glucose sensor;Electrochemical deposition;Hydrothermal method

Acknowledgement

Supported by : 서경대학교

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