Designing highly active material to fabricate high-performance glucose sensor was great importance for diabetes treatment. In this work, we develop a novel nanocomposite composed of multilevel nanostructure with ultrathin Cu_xO nanoflakes anchored on Cu₂O nanowires, directly on Cu foil and its application as non-enzymatic glucose sensor. Due to more active sites endowed by the ultrathin Cu_xO nanoflakes, the as-prepared Cu_xO nanoflakes/Cu₂O nanowires@Cu nanoarray exhibit high sensitivity (3.59 mA mM⁻¹ cm⁻²), low detection limit (0.69 μM), high selectivity, fast amperometric response (~ 2 s) and excellent reliability in human serum. And the sensitivity of ultrathin Cu_xO nanoflakes/Cu₂O nanowires@Cu nanoarray was 1.9-fold than that of Cu₂O nanowires@Cu nanoarray. Such novel multilevel nanoarray synthesized by convenient method provides a facile way to design metal oxide nanomaterial for promising non-enzymatic glucose sensor.

设计高活性材料以制造高性能葡萄糖传感器对糖尿病治疗非常重要。在这项工作中，我们开发组成的纳米复合材料的新的多级纳米结构与超薄铜_X ö纳米片锚定对Cu ₂ ö纳米线，直接在Cu箔及其作为非酶葡萄糖传感器的应用程序。由于超薄的Cu _x O纳米薄片赋予了更多的活性位点，因此制备的Cu _x O纳米薄片/ Cu ₂ O纳米线@Cu纳米阵列表现出高灵敏度（3.59 mA mM ^-1  cm ^-2）），低检测限（0.69μM），高选择性，快速安培响应（〜2 s）和在人血清中的出色可靠性。和超薄Cu的灵敏度_X ø纳米薄片/ Cu的₂ ö纳米线@铜纳米阵列是比Cu 1.9倍₂ ö纳米线@铜纳米阵列。通过方便的方法合成的这种新型多级纳米阵列为设计用于有前景的非酶葡萄糖传感器的金属氧化物纳米材料提供了简便的方法。