The invention discloses a method for
processing and preparing a
hole transport layer of an
organic solar cell, and relates to the technical field of solar cells, and the method comprises the following steps: S1, preparing a
nickel oxide hole transport layer film, and cleaning the
nickel oxide film with deionized water; s2, preparing a to-be-adjusted liquid, and measuring the initial pH value of the to-be-adjusted liquid; s3, calculating the volume of the required
sodium hydroxide aqueous solution, and adding a proper amount of the
sodium hydroxide aqueous solution into the to-be-adjusted liquid in the step S2 to adjust the pH value of the solution to a proper range; s4, uniformly spreading the solution in the step S3 on the surface of the cleaned
nickel oxide hole transport layer thin film, and soaking for 1-15 minutes to ensure sufficient reaction; s5, the
nickel oxide hole
transport layer thin film is washed with deionized water, redundant
sodium hydroxide aqueous solution is removed, then the washed thin film is dried, and aftertreatment is completed; according to the invention, the problem of disordered arrangement of the
ionic liquid at the interface is solved, and the performance and stability of the
perovskite device are improved.