383-28-8Relevant articles and documents
Stimuli-responsive cyclometalated platinum complex bearing bent molecular geometry for highly efficient solution-processable OLEDs
Wei, Zhenhua,Zhang, Kai,Kim, Chan Kyung,Tan, Shuai,Wang, Shaojie,Wang, Lin,Li, Jun,Wang, Yafei
, p. 493 - 496 (2021)
Smart materials, such as stimuli-responsive luminescence, have attracted much attentions due to their potential application in semiconductor filed. In this context, platinum complexes of (dfppy-DC)Pt(acac) and (dfppy-O-DC)Pt(acac) were prepared and charac
Synthesis method and application of diphenyl sulfone-based double-chromophore thermally activated delayed fluorescent materials
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Paragraph 0019-0020, (2019/11/29)
The invention discloses thermally activated delayed fluorescent materials containing double chromophores, and an application thereof in solution-processible organic electroluminescent devices. A carbazole-diphenyl sulfone blue light-emitting chromophore used as a terminal group and a triphenylamine-anthraquinone orange red light-emitting chromophore used as a central core are connected in non-conjugated and conjugated manners to construct the double-chromophore thermally activated delayed fluorescent materials. The materials are beneficial for separating the spatial distribution of the highestoccupied orbits and the lowest empty orbits of molecules to obtain a small energy gap between a single state and a triple state; and the intramolecular energy transfer of the materials changes with the connection mode, and dual emission of the single molecules is achieved. The double-chromophore thermally activated delayed fluorescent materials can be used as the luminescent layer material of a solution-processible organic electroluminescent diode to make the devices have a maximum external quantum efficiency of 3.96%.
Organic white light material with thermal activation delay and aggregation-induced emission performance and synthetic method and application thereof
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Paragraph 0048; 0049; 0050; 0051, (2016/10/09)
The invention provides an organic white light material with the terminal activation delay and aggregation-induced emission performance and a synthetic method and application thereof. The general molecular formula of the white light material is Ar-Ar1-Ar2, wherein Ar is a phenothiazine electron-donating substituent group, Ar1 is a strong electron-withdrawing group, and Ar2 is an aromatic fused ring or heterocyclic aromatic substituent group except phenothiazine. The synthetic method of the material is simple, the thermal performance, luminous efficiency and white light color purity of an end product can be adjusted through connection of different aromatic fused ring or heterocyclic aromatic groups, the white light material has the thermal activation delay and aggregation-induced emission properties, the glass transition temperature is high, and the emission performance is excellent. The obtained white light material is a light emitting layer applied to preparing a non-doped OLED device, the illumination brightness is high, the stability is good, and the practicability requirement can be met.