Simultaneous formation of cathode interfacial layer and active layer and its application in reverse non-fullerene organic solar cells
A cathode interface layer, solar cell technology, applied in the field of solar cells
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Embodiment 1
[0038] In this example, reverse non-fullerene organic solar cells were prepared according to the following method:
[0039] Add 10 mg of polyvinylpyrrolidone (molecular weight: 3500) into 1 mL of chlorobenzene, and stir overnight at 40° C. to obtain a PVP solution. Add 10mg PBDB-T and 10mg IT-M to 1mL chlorobenzene, stir at 40°C for 8h, then add 0.01mL (0.5% by mass) of the above PVP solution and 0.005mL diiodooctane, and continue stirring at 40°C for 30min, that is to obtain a mixture.
[0040] The above mixed solution was spin-coated on the glass covered with ITO, and then annealed at 100° C. for 10 min. at about 10 - 4 Under the pressure of Pa, 10nm molybdenum trioxide and 100nm aluminum electrode are evaporated to obtain a solar cell, and the structural diagram of the cell is as follows figure 1 Shown in a.
Embodiment 2
[0048] In this example, reverse non-fullerene organic solar cells were prepared according to the following method:
[0049] Add 10 mg of polyvinylpyrrolidone (molecular weight: 3500) into 1 mL of chlorobenzene, and stir overnight at 40° C. to obtain a PVP solution. Add 10mg PBDB-TF and 10mg IT-4F to 1mL chlorobenzene, stir at 40°C for 8h, then add 0.005mL (0.25% by mass) of the above PVP solution and 0.005mL diiodooctane, and continue stirring at 40°C for 30min, that is to obtain a mixture.
[0050] The above mixed solution was spin-coated on the glass covered with ITO, and then annealed at 100° C. for 10 min. at about 10 - 4 Under the pressure of Pa, 10nm molybdenum trioxide and 100nm aluminum electrode are evaporated to obtain a solar cell, and the structural diagram of the cell is as follows figure 1 As shown in c.
Embodiment 3
[0058] In this example, reverse non-fullerene organic solar cells were prepared according to the following method:
[0059] Add 10 mg of polyvinylpyrrolidone (molecular weight: 3500) into 1 mL of chlorobenzene, and stir overnight at 40° C. to obtain a PVP solution. Add 10mg PBDB-TCl and 10mg IT-4F to 1mL chlorobenzene, stir at 40°C for 8h, then add 0.005mL (0.25% by mass) of the above PVP solution and 0.005mL diiodooctane, and continue stirring at 40°C for 30min, that is to obtain a mixture.
[0060] The above mixed solution was spin-coated on the glass covered with ITO, and then annealed at 100° C. for 10 min. at about 10 - 4 Under the pressure of Pa, 10nm molybdenum trioxide and 100nm aluminum electrode are evaporated to obtain a solar cell, and the structural diagram of the cell is as follows figure 1 Shown in e.
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