Perovskite solar cell with high fill factor and method for preparing perovskite solar cell
A solar cell and fill factor technology, which is applied to circuits, photovoltaic power generation, electrical components, etc., can solve problems such as the inability to prepare large-area solar cell devices, and achieve the effects of improving photoelectric conversion efficiency, meeting commercial use, and improving efficiency
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[0036] The present invention also provides a method for preparing the above-mentioned high-filling factor perovskite solar cell, which includes the following steps:
[0037] In step S1, the transparent conductive substrate 1 is cleaned by using three methods of ethanol cleaning, acetone ultrasonic cleaning and deionized water ultrasonic cleaning in sequence. A conductive film is provided on the front surface of the transparent conductive substrate 1, and then it is baked by infrared heating. Dry to obtain a dried transparent conductive substrate 1.
[0038] Preferably, the transparent conductive substrate 1 is glass or a flexible substrate; wherein the flexible substrate is a polyphthalimide compound or a polyesterimine compound.
[0039] Preferably, the conductive film is an inorganic conductive polymer or an organic conductive polymer; the inorganic conductive polymer is indium tin oxide, zinc oxide, tin oxide, gold, copper, silver or zinc; the organic conductive polymer is polythi...
Example Embodiment
[0048] Example 1
[0049] Prepare perovskite solar cell, its structure is: transparent conductive substrate / ITO(130nm) / CH3NH3PbI3(400nm) / RbF(3nm) / C60(10nm) / BCP(6nm) / Ag(120nm); the specific process is as follows :
[0050] Step S1, cleaning the transparent conductive substrate pre-engraved with the conductive film, and sequentially cleaning the transparent conductive substrate with ethanol cleaning, acetone ultrasonic cleaning and deionized water ultrasonic cleaning, and then placing it under an infrared lamp after cleaning Drying, wherein the conductive film on the transparent conductive substrate is used as the anode layer of the solar cell, the sheet resistance of the conductive film is 15Ω, and the film thickness is 130nm. The transparent conductive substrate is glass, and the conductive film is indium tin oxide.
[0051] Step S2, the transparent conductive substrate processed in step S1 is treated with ultraviolet ozone for 6 minutes; the PH1000 solution is spin-coated on the t...
Example Embodiment
[0058] Example 2
[0059] Prepare perovskite solar cell, its structure is: transparent conductive substrate / ITO(120nm) / CH3NH3PbI3(400nm) / CsF(3nm) / PCBM(10nm) / BCP(6nm) / Au(100nm); the specific process is as follows :
[0060] Step S1, cleaning the transparent conductive substrate pre-engraved with the conductive film, and sequentially cleaning the transparent conductive substrate with ethanol cleaning, acetone ultrasonic cleaning and deionized water ultrasonic cleaning, and then placing it under an infrared lamp after cleaning Drying, wherein the conductive film on the transparent conductive substrate is used as the anode layer of the solar cell, the sheet resistance of the conductive film is 20Ω, and the film thickness is 120nm. The transparent conductive substrate is glass, and the conductive film is indium tin oxide.
[0061] Step S2, the transparent conductive substrate processed in step S1 is treated with ultraviolet ozone for 6 minutes; the PH1000 solution is spin-coated on the ...
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