铂纳米作为典型的金属纳米材料,具有良好的选择性、稳定性和导电性,同时其

As a typical metal nanomaterial, platinum nanometers have good selectivity, stability and electrical conductivity. At the same time, their anti-oxidation and electrocatalytic capabilities are also strong, and they play an important role in electrochemistry. Modification of the drill nanoparticles to the surface of the electrode can increase the surface area of ​​the electrode and enhance the electrocatalytic oxidation activity. For commonly used methods for preparing platinum nanoparticles modified electrodes, such as electrochemical deposition method, ultrasonic electrodeposition method, Step Functions electrodeposition, diamond-lead electrochemical co-deposition method, chemical in-situ one-step reduction method and potentiostatic method, etc. Discussions were conducted to compare the advantages and disadvantages of these methods for preparing modified electrodes, and summarize the application of nanoparticle modified electrodes in biological detection, chemical detection and life.

铂纳米作为典型的金属纳米材料,具有良好的选择性、稳定性和导电性,同时其抗氧| 化性和电催化能力也较强,在电化学中发挥着重要作用。将钻纳米颗粒修饰到电极表| 面后,可增加电极的表面积,使电催化氧化活性增强。对常用的制备铂纳米颗粒修饰电极的方法,如电化学沉积法、超声波电沉积法、Step Functions 法电沉积、钻-铅电 化学共沉积法、化学原位一步还原法和恒电位法等,进行了讨论,比较这几种方法制 备修饰电极的优缺点,并归纳-纳米颗粒修饰电极在生物检测、化学检测及生活方面的应用。

As a typical metal nanomaterial, platinum nanoparticle has good selectivity, stability and conductivity, as well as strong anti oxygen and electrocatalytic ability, which plays an important role in electrochemistry. The surface area of the electrode can be increased and the activity of electrocatalytic oxidation can be enhanced after the nanoparticles are modified on the surface of the electrode. The common methods of preparing platinum nanoparticles modified electrode, such as electrochemical deposition, ultrasonic electrodeposition, step functions electrodeposition, drill lead electrochemical co deposition, chemical in situ one-step reduction and potentiostatic method, were discussed. The advantages and disadvantages of these methods were compared, The applications of nanoparticle modified electrode in biological detection, chemical detection and life were summarized.<br>