Study On Thermal Properties Of Carbon Nanotube Transparent Conductive Films And Their Applications In OLEDs

Nanoaterials have excellent electrical,optical and magnetic properties.Carbon nanotubes can be thought of as sheets of graphene bent into a cylindrical shape.The carbon nanotubes have good conductivity and high optical transparency,which make the carbon nanotube transparent conductive film have relatively low surface resistance,thus replacing the relatively expensive and fragile indium tin oxide(ITO)thin films,and carbon nanotubes as transparent electrodes have been widely applied in organic light-emitting diodes(OLED),pholovoltaic devices,display devices,thin film transistors and touch-screen devices,and slowly replace existing metal oxide materials recently.In this article,the homogeneous dispersions were prepared by mixture of conducting polymer PEDOT:PSS and carbon nanotubes and the transparent conductive films of carbon nanoubes were prepared by spraying.Then,the resistance of film surface is improved through a series of post processing technologies,the main factors affecting the performance of the film in the acid treatment process are analyzed by different post-processing techniques.Because the carbon nanotube films have excel lent thermal conductiveity,fast heating speed with 6.1°C·s-1,excellcent optical transparency and uniform temperature distribution.Therefore,the heating performance of the thin film was explored,the fitting formula was obtained through fitting the cooling curve of distilled water and described in detail in this article.Finally,compared with OLED based devices based on ITO,although there are certain disparity in the luminescent intensity of OLED devices made from carbon nanotube conducting thin films as electrode,carbon nanotube films has great potential in flexibility.