The double-layer devices (ITO/PEDOT/Polymer/Ba/Al) were fabricated. They held low onset voltage (about 4 V). The peaks of electroluminescence (EL) were 494 and 604 nm, and then their maximum brightness values were 598 cd?

• 应用旋转涂膜的方法制作Pa和Pc的双层器件(ITO/PEDOT/Polymer/Ba/Al),电致发光波长分别为494和604nm,器件均具有较低的启动电压(4V左右),分别在24和15V时达到最大亮度598和203cd?