Citation:
Shengbiao Zheng, Liang Li, Nini Zhang, Ruimin Bao, Ruizhang Hu, Jing Tang. Metal-Organic Framework-Derived Materials Modified Electrode for Electrochemical Sensing of Tert-Butylhydroquinone: A Recommended Comprehensive Chemistry Experiment for Translating Research Results[J]. University Chemistry,
;2024, 39(7): 345-353.
doi:
10.3866/PKU.DXHX202310096
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This paper presents a comprehensive chemistry experiment that translates a research result into undergraduate laboratory teaching. The experiment focuses on the synthesis of a highly sensitive electrochemical sensor for tert-butylhydroquinone (TBHQ) using ZIF-67 metal-organic framework (MOF) materials as a foundation. ZIF-67 MOF material was synthesized in solution at room temperature, followed by the preparation of Co nanoparticles and nitrogen-doped carbon nanotubes (Co/NCNTs) composite material through reduction atmosphere pyrolysis. The glass-carbon electrode was then modified with this material to investigate its detection capability for TBHQ, a common antioxidant component in edible oil. The morphology, structure, and elemental composition of the prepared materials were characterized using Scanning Electron Microscope (SEM), X-ray diffraction (XRD), Transmission Electron Microscope (TEM) and Energy Dispersive X-Ray Spectrometer (EDX). This experiment offers readily available reagents, simple operation, and a high success rate, providing students with comprehensive training in scientific research procedures, familiarity with the concept of metal-organic framework materials, and an understanding of structure-property relationships. It not only enhances students’ comprehensive laboratory skills but also cultivates their interest in scientific research and expands their perspectives.
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