Aza-phenanthro-fluorene derivative and preparation method thereof as well as electrically-induced fluorescence luminescent device
A technology of fluorene derivatives and phenanthroline, applied in the field of organic light-emitting materials, can solve the problems of device instability and low luminous efficiency, and achieve the effects of improving device efficiency, reducing the degree of red shift, and suppressing π-π stacking
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[0032] The present invention provides an azaphenanthrofluorene derivative, a preparation method, and an electroluminescent light emitting device. In order to make the purpose, technical scheme and effect of the present invention clearer and clearer, the present invention will be described in further detail below. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.
[0033] This embodiment provides an azaphenanthrofluorene derivative, the general structure of which is as follows:
[0034] , Where Ar 1 And Ar 2 All are carbazole groups.
[0035] Where the Ar 1 And Ar 2 One of the following combinations:
[0036] Ar 1 =Ar 2 = At this time, the azaphenanthrofluorene derivative is: 9,9'-diphenyl-azaphenanthrofluorene (abbreviated as DPPhF);
[0037] Ar 1 = , Ar 2 = At this time, the azaphenanthrofluorene derivative is: 9-phenyl-9'-(9-phenylcarbazolyl)-azaphenanthrofluorene (abbrevi...
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