ACS Appl Mater Interfaces. 2019 Mar 20;11(11):10856-10861. doi: 10.1021/acsami.9b00803. Epub 2019 Mar 6.
A novel NiO-decorated flexible buckypaper (NiO-BP) was fabricated by a simple and scalable vacuum filtration method for electrochemical detection of glucose. The NiO-BP consists of two layers: one side is composed of purified single-walled carbon nanotubes, serving as the supporting layer, whereas the other side comprises NiO-loaded single-walled carbon nanotubes, serving as the catalyst layer. The morphology and structure of NiO-BP were characterized by scanning electron microscopy, transmission electron microscopy, X-ray diffraction and Raman spectroscopy. The fabricated NiO-BP was applied to the electrochemical detection of glucose. Under optimized conditions, the sensor exhibited a wide linear range of 0.1-9 mM for the determination of glucose with high sensitivity (2701 μA mM cm) and a short response time (<2.5 s). The present work reveals that the buckypaper with a unique double-layer structure is promising for wearable biosensors.
一种新型的 NiO 修饰的柔性巴基纸（NiO-BP）通过简单且可扩展的真空过滤方法制备，用于葡萄糖的电化学检测。NiO-BP 由两层组成：一侧由纯化的单壁碳纳米管组成，作为支撑层，另一侧由负载 NiO 的单壁碳纳米管组成，作为催化剂层。通过扫描电子显微镜、透射电子显微镜、X 射线衍射和拉曼光谱对 NiO-BP 的形貌和结构进行了表征。所制备的 NiO-BP 被应用于葡萄糖的电化学检测。在优化条件下，该传感器对葡萄糖的测定具有较宽的线性范围（0.1-9 mM），灵敏度高（2701 μA mM cm），响应时间短（<2.5 s）。本工作表明，具有独特双层结构的巴基纸有望用于可穿戴生物传感器。
