Novel porous Co₃O₄ nanosheets (NSs) were synthesized on the flexible carbon cloth (CC) substrate by a facile hydrothermal method and applied to construct a non-enzymatic sensor for glucose detection. The sensor is based on the electro-catalytic oxidation of glucose on the surface of Co₃O₄ NSs. Since this particular nanostructure can provide large surface area and more active sites, the Co₃O₄ NSs non-enzymatic sensor exhibits excellent analytical performance, such as a high sensitivity (8506 μA mM⁻¹ cm⁻²), a fast response time (less than 6 s), low detection limit of 1 μM, good selectivity, and long-term stability. The results suggest that the porous Co₃O₄ NSs have great potential applications in the development of sensors for enzyme-free detection of glucose.

通过一种简便的水热法在碳纤维布（CC）的基底上合成了新型的多孔Co ₃ O ₄纳米片（NSs），并将其用于构建用于葡萄糖检测的非酶传感器。该传感器基于Co ₃ O ₄ NSs表面葡萄糖的电催化氧化。由于这种特殊的纳米结构可以提供较大的表面积和更多的活性位，因此Co ₃ O ₄ NSs非酶传感器表现出出色的分析性能，例如高灵敏度（8506μAmM ^-1  cm ^-2），响应时间短（小于6 s），1μM的低检测限，良好的选择性和长期稳定性。结果表明，多孔Co ₃ O ₄ NSs在无酶葡萄糖检测传感器的开发中具有巨大的潜在应用前景。