Multicolor adjustable light-emitting organic eutectic heterojunction composite material as well as preparation and application thereof
A composite material and heterojunction technology, which is applied in the field of multi-color tunable luminescent organic eutectic heterojunction composite materials and its preparation, achieves the effects of mild preparation conditions, simple and fast operation, avoiding blindness and phase separation
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[0038] In a specific embodiment, the preparation method of the multi-color tunable light-emitting organic eutectic heterojunction micro-nano composite material of the present invention includes the following steps:
[0039] 1) dissolving DMA in a solvent to obtain a DMA solution;
[0040] 2) dissolving TFP in a solvent to obtain a TFP solution;
[0041] 3) dissolving TCNB in a solvent to obtain a TCNB solution;
[0042] 4) Take a certain amount of the TFP solution described in the above step 2) and add it to a certain amount of the DMA solution in the above step 1) to obtain a DMA-TFP mixed solution;
[0043] 5) Take a certain amount of the TCNB solution described in the above step 3) and add it to a certain amount of the DMA solution in the above step 1) to obtain a DMA-TCNB mixed solution;
[0044] 6) Mixing the DMA-TFP mixed solution obtained in the above step 4) with the DMA-TCNB mixed solution obtained in the above step 5) according to a certain ratio;
[0045] 7) Ta...
Embodiment 1
[0052] The preparation of organic eutectic, concrete steps are as follows:
[0053] Get 9,10-dimethyl anthracene powder (DMA, chemical formula C 16 h 14 ) was dissolved in acetonitrile to make a concentration of DMA solution of 8mM; get tetrafluoroterephthalonitrile powder (TFP, chemical formula C 8 f 4 N 2 ) was dissolved in acetonitrile to make a TFP solution with a concentration of 8mM; then the DMA solution and the TFP solution were mixed at a ratio of 1:1; 100uL of the above-mentioned mixed solution was quickly dropped on the glass substrate with a syringe, and placed in the In the solvent atmosphere of the anti-solvent isopropanol, the solvent on the surface of the glass substrate evaporates slowly, and DMA-TFP eutectic is obtained on the glass substrate.
Embodiment 2
[0055] The preparation of organic eutectic, concrete steps are as follows:
[0056] Get 9,10-dimethyl anthracene powder (DMA, chemical formula C 16 h 14 ) was dissolved in acetonitrile to make a concentration of 8mM DMA solution; get 1,2,4,5-tetracyanobenzene powder (TCNB, chemical formula C 10 h 2 N 4 ) was dissolved in acetonitrile to make a TCNB solution with a concentration of 8mM; then the DMA solution and the TCNB solution were mixed at a ratio of 1:1; 100uL of the above-mentioned mixed solution was quickly dropped on a glass substrate with a syringe, and placed on a glass substrate containing In the solvent atmosphere of the anti-solvent isopropanol, the solvent on the surface of the glass substrate evaporates slowly, and DMA-TCNB eutectic is obtained on the glass substrate.
[0057] Embodiment 1, the material fluorescence picture that embodiment 2 prepares is as figure 1 shown by figure 1 It can be seen that the DMA-TFP co-crystal is a green-emitting rod-shaped c...
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