Recently much attention has been paid to the use of semiconducting electroluminescencepolymers to fabricate light-emitting diodes(LEDs)due to the significant processing,mechanical advantages,size(large area)advantages...Recently much attention has been paid to the use of semiconducting electroluminescencepolymers to fabricate light-emitting diodes(LEDs)due to the significant processing,mechanical advantages,size(large area)advantages and broad spectral range(colour).This note reports that a typical conjugated polymer poly(N-vinylcarbazole)(PVK)doped with 1,1.4,4-terapheny 1-1.3-butadiene(TPB)functions as a holetransporting material and emitting layer for the polymer EL device,and that a展开更多
Since Burroughes et al. and Braun et al. reported the electroluminescence (EL) from poly(p-phenylene vinylene) (PPV) device, polymer materials have been used as the emitting layer of EL device with 4% quantum efficien...Since Burroughes et al. and Braun et al. reported the electroluminescence (EL) from poly(p-phenylene vinylene) (PPV) device, polymer materials have been used as the emitting layer of EL device with 4% quantum efficiency, and a few studies on conjugated polymer diodes emitting blue light have been reported. Because of having wider band gaps, the organic polymer is easier to realize the blue emission than inorganic semiconductors.展开更多
基金Project supported by the National Natural Science Foundation of China.
文摘Recently much attention has been paid to the use of semiconducting electroluminescencepolymers to fabricate light-emitting diodes(LEDs)due to the significant processing,mechanical advantages,size(large area)advantages and broad spectral range(colour).This note reports that a typical conjugated polymer poly(N-vinylcarbazole)(PVK)doped with 1,1.4,4-terapheny 1-1.3-butadiene(TPB)functions as a holetransporting material and emitting layer for the polymer EL device,and that a
基金the National Natural Science Foundation of China and the "863" Porject.
文摘Since Burroughes et al. and Braun et al. reported the electroluminescence (EL) from poly(p-phenylene vinylene) (PPV) device, polymer materials have been used as the emitting layer of EL device with 4% quantum efficiency, and a few studies on conjugated polymer diodes emitting blue light have been reported. Because of having wider band gaps, the organic polymer is easier to realize the blue emission than inorganic semiconductors.
