Preparation method of polythiophene nanospheres produced in hole passing through manner
A technology of polythiophene and spherical body is applied in the field of preparation of polythiophene spherical body, which can solve the problems of affecting exciton diffusion and freely movable carrier migration, affecting the photoelectric conversion efficiency of organic solar cells, etc., and achieves the effect of simple operation.
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Embodiment 1
[0025] Example 1 Add 0.8 mg of polybutylthiophene to 4 mL of solvent anisole to prepare a polythiophene solution with a concentration of 0.2 mg / mL. Stir at 80 ℃ for at least 6 hours to reach a completely dissolved state. The polythiophene solution appears light yellow. The completely dissolved polythiophene solution is naturally cooled to room temperature. At this time, the polythiophene solution appears dark red. Add the polythiophene solution cooled to room temperature into a 2 mL syringe, and control the pressure on the syringe piston through a flow rate regulator to make The polythiophene solution passes through the 0.22 μm porous film at a macro flow rate of 0.25 mL / s, as shown in the attached file. figure 1 As shown, the structure of the polythiophene linear nanofibers is transformed into a spherical body after passing through the porous film.
Embodiment 2
[0026] Example 2 Add 0.8 mg of polybutylthiophene copolydodecylthiophene to 4 mL of solvent anisole to prepare a polythiophene solution with a concentration of 0.2 mg / mL, and stir at 80 ℃ for at least 6 h to reach a completely dissolved state. The thiophene solution is light yellow. The completely dissolved polythiophene solution is naturally cooled to room temperature. At this time, the polythiophene solution appears reddish. Add the polythiophene solution cooled to room temperature into a 2 mL syringe and apply it to the syringe through a flow regulator. The pressure on the piston causes the polythiophene solution to pass through the 0.22 μm porous membrane at a macro flow rate of 0.25 mL / s, as shown in the attachment figure 1 As shown, the structure of the polythiophene linear nanofibers is transformed into a spherical body after passing through the porous film, as shown in the attached figure 2 Shown.
Embodiment 3
[0027] Example 3 Add 1.2 mg of polybutylthiophene copolydodecylthiophene to 4 mL of solvent anisole to prepare a polythiophene solution with a concentration of 0.3 mg / mL. Stir at 80 ℃ for at least 6 h to reach a completely dissolved state. The thiophene solution is light yellow. The completely dissolved polythiophene solution is naturally cooled to room temperature. At this time, the polythiophene solution appears reddish. Add the polythiophene solution cooled to room temperature into a 2 mL syringe and apply it to the syringe through a flow regulator. The pressure on the piston causes the polythiophene solution to pass through the 0.22 μm porous membrane at a macro flow rate of 0.25 mL / s, as shown in the attachment figure 1 As shown, the structure of the polythiophene linear nanofibers is transformed into a spherical body after passing through the porous film.
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