A method for preparing poly-3-hexylthiophene aligned ordered film by solution deposition
A technology of hexylthiophene and solution deposition, which is applied in the field of preparation of poly-3-hexylthiophene orientation ordered film by solution deposition
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Embodiment 1
[0035] (1) Measure 30 ml of toluene and 5 ml of 1,3,5-trimethylbenzene, and mix toluene and 1,3,5-trimethylbenzene to prepare a mixed solvent. The volume percentage of toluene in the mixed solvent is 85.7%;
[0036] (2) Weigh 35 mg of P3HT with a molecular weight of 87,000 and a regularity of 98.5%, and then add the mixed solvent in step (1) to dissolve P3HT to form a solution with a concentration of 1 mg / ml;
[0037] (3) Deposit the P3HT solution prepared in step (2) on the surface of the moving substrate by means of a solution oriented deposition device. The temperature of the substrate is 30°C, and the moving speed of the substrate is 50 μm / s. After the solution is dried, an oriented ordered film of P3HT is obtained . .
[0038] image 3 It is the polarized absorption spectrum diagram of the P3HT aligned ordered film in Example 1 of the present invention. Among them, 1 is the absorption spectrum of the film whose orientation direction is perpendicular to the polarized li...
Embodiment 2
[0042] (1) Measure 5 ml of toluene and 5 ml of 1,3,5-trimethylbenzene, mix toluene and 1,3,5-trimethylbenzene to prepare a mixed solvent, and the volume percentage of toluene in the mixed solvent is 50%;
[0043] (2) Weigh 60 mg of P3HT with a molecular weight of 30000-40000 and a regularity of 99%, and then add the mixed solvent in step (1) to dissolve P3HT to form a solution with a concentration of 6.0 mg / ml;
[0044] (3) Deposit the P3HT solution prepared in step (2) on the surface of the moving substrate by means of a solution oriented deposition device. The temperature of the substrate is 50°C, and the moving speed of the substrate is 150 μm / s. After the solution is dried, an oriented ordered film of P3HT is obtained . The experimental results show that the dichroism of the obtained P3HT film is 1.41, which proves that the molecules in the film are oriented.
Embodiment 3
[0046] (1) Measure 9 ml of toluene and 11 ml of cumene, and mix the toluene and cumene to prepare a mixed solvent. The volume percentage of toluene in the mixed solvent is 45%;
[0047] (2) Weigh 40 mg of P3HT with a molecular weight of 68,000 and a regularity of 99%, and then add the mixed solvent in step (1) to dissolve P3HT to form a solution with a concentration of 2.0 mg / ml;
[0048] (3) Deposit the P3HT solution prepared in step (2) on the surface of the moving substrate by means of a solution oriented deposition device. The temperature of the substrate is 20°C, and the moving speed of the substrate is 50 μm / s. After the solution is dried, an oriented ordered film of P3HT is obtained . The experimental results show that the dichroism of the obtained P3HT film is 1.65, which proves that the molecules in the film are oriented.
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Abstract
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