Interruptible perovskite type organic halide thin-film solar cell photo-anode preparing method
A solar cell, organic halide technology, applied in circuits, photovoltaic power generation, electrical components, etc., can solve the problems of complex operation, low battery efficiency, and high equipment cost
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[0021] Example 1
[0022] (1) Preparation of dense zinc oxide layer
[0023] Zn(CH 3 COO) 2 Dissolve in ethanol, after magnetic stirring for 0.5 hours, add DEA (the molar ratio is CH 3 COOH: Zn(CH 3 COO) 2 :DEA=66:1:1), after stirring for 10 minutes, a zinc ion precursor sol is prepared.
[0024] Spin coating: drop the zinc ion precursor sol on the FTO glass, spin coating at a speed of 3500r / min for 30 seconds; sinter the spin-coated film at 200-500°C for 30 minutes; prepare a dense zinc oxide film.
[0025] (2) Preparation of multi-porous zinc oxide layer
[0026] Electrodeposition solution configuration: Zn(NO 3 ) 2 And C 6 H 12 N 4 The aqueous solution is mixed with the solution and stirred to obtain the electrochemical solution (molar ratio is Zn(NO 3 ) 2 : C 6 H 12 N 4 : H 2 O=1:1:5556).
[0027] At 25°C, a multi-porous zinc oxide film was prepared on the above-prepared dense zinc oxide layer. The deposition voltage was -1V and the deposition time was 1800s. The electrochemically de...
Example Embodiment
[0032] Example 2
[0033] (1) Preparation of dense zinc oxide layer
[0034] Zn(CH 3 COO) 2 Dissolve in ethanol, after magnetic stirring for 0.5 hours, add DEA (the molar ratio is CH 3 COOH: Zn(CH 3 COO) 2 :DEA=66:1:1), after stirring for 10 minutes, a zinc ion precursor sol is prepared.
[0035] Spin coating: drop the zinc ion precursor sol on the FTO glass, spin coating at a speed of 3500r / min for 30 seconds; sinter the spin-coated wafer at 200-500°C for 30 minutes; prepare a dense zinc oxide layer.
[0036] (2) The preparation and assembly process of solar cells
[0037] Refer to the preparation and assembly process of the solar cell in Example 1.
Example Embodiment
[0038] Example 3
[0039] (1) Preparation of zinc oxide multi-level porous layer
[0040] Electrodeposition solution configuration: Zn(NO 3 ) 2 And C 6 H 12 N 4 The aqueous solution is mixed with the solution and stirred to obtain the electrochemical solution (molar ratio is Zn(NO 3 ) 2 : C 6 H 12 N 4 : H 2 O=1:1:5556).
[0041] Prepare a multi-porous zinc oxide film on a flexible transparent conductive substrate at 25°C. The deposition voltage is -1V and the deposition time is 1800s. The electrochemically deposited laminate film is fired at 130°C for 1 hour to obtain the multi-porous zinc oxide Floor.
[0042] (2) The preparation and assembly process of solar cells
[0043] Refer to the preparation and assembly process of the solar cell in Example 1.
[0044] Attached figure 1 A schematic diagram showing the structure of a perovskite-type organic halide thin film solar cell with a transparent conductive substrate ( figure 1 The schematic diagram of the thin film referred to in 1), dens...
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