Research Of Oxygen Containing Modification On The Surface Of Diamond Film

The diamond is an excellent functional material. It has outstanding electrochemical features, such as wide potential window in aqueous solutions, low background current, and also has excellent physical property, good chemistry stability. Otherwise it can bear friction and high temperature and has good mechanical functions. The more important thing is that the diamond is consistent of carbon chemical element. So it has better compatibility with organism. The diamond film has very extensive application in many fileds. The diamond film fabricated by CVD makes the dream of using it extensively come true.The high chemical stability of diamond film has its advantage; however it becomes its weakness in practical application. So how to improve the diamond film's surface function is the point of its development.This article introduces the relevant knowledge of diamond film electrode preparation and token, including the growth process of diamond film. Then we study the electrochemical character of diamond film and the mainly modify method of diamond film at present. Lastly, we use the electrochemical oxidation's method to import oxygen in the diamond film, and use the X-ray Photoelectron Spectroscopy (XPS) to examine the surface of diamond film. The property of diamond film after modification has changed, such as the conductance diminishing, wider potential window in aqueous solution. So we can use the modified diamond film to detective some particular materials.