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Improve the luminescence efficiency of fluorescent luminescence materials

Improve the luminescence efficiency of fluorescent luminescence materials

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Improve the luminescence efficiency of fluorescent luminescence materials

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  • Time of issue:2020-10-30
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Currently, the light-emitting materials used in ORGANIC light-emitting diodes are usually fluorescent and phosphorescent materials, but the former has limited luminous efficiency and the latter requires heavy metals with scarce resources, resulting in higher costs. In contrast, organic free radical materials are cheap organic compounds that reduce costs by maximizing the efficiency of the conversion of electricity to light.

 

The research was supported by the National Natural Science Foundation of China, the Key RESEARCH and Development Program of the Ministry of Science and Technology and the 973 Program, the Visiting Scholar Program of China Scholarship Council and the Yingying Project of Jilin University. The importance of the research is mainly on science confirms the light-emitting free radicals is bifilar mode, a new principle of electroluminescence, and can realize the light emitting device quantum efficiency of 100%, but there are a certain distance from the actual production and life, still need to expand the light-emitting materials of free radical system, realize the different colors of light and the light stability of free radical.

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