基于多壁碳纳米管-铂纳米颗粒纳米复合材料的乙醇生物传感器

Alcohol Biosensor Based on Multi-Walled Carbon Nanotubes/Platinum Nanoparticles Nanocomposite

采用超声法制备了多壁碳纳米管-铂纳米颗粒(MWCNTs-Pt NPs)纳米复合材料,并将其修饰于乙醇生物传感器,表现出良好的检测性能。实验结果表明:传感器最低检测限为0.02 mmol/L,线性范围为0.25 mmol/L^3.00 mmol/L,灵敏度为0.923 32μA/(mmol/L),并且具有高稳定性和良好的重现性。

MWCNTs-PtNPs nano composite was prepared by ultrasonic method,and its modified to ethanol biosensor showed good performance. The experimental results show that the minimum detection limit of the sensor is 0. 02 mmol/L,the linear range is 0.25 mmol/L-3.0 mmol/L,the sensitivity is 0.923 32 μA/（mmol/L）,and has high stability and good reproducibility.