Preparation method of high stability organic thin film solar cell coated with carbon skeleton
A solar cell, high-stability technology, applied in circuits, photovoltaic power generation, electrical components, etc., can solve problems such as the influence of water and oxygen erosion on the stability of organic thin-film solar cells, the uneven film formation of the anode buffer layer, and the limitation of device efficiency, etc. To achieve the effect of increasing the resistance to water and oxygen, improving the efficiency of transmission to the electrode, and reducing the probability of recombination
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Embodiment 1
[0033] Clean the substrate composed of transparent substrate 1 and transparent conductive cathode ITO 2 whose surface roughness is less than 1 nm, and dry it with nitrogen gas after cleaning; spray graphene oxide dispersion on the surface of transparent conductive cathode ITO 2, and its volume ratio The composition is: graphene oxide aqueous dispersion 15% (concentration is 2mg / ml), methanol 15%, ethanol 70%, graphene oxide dispersion consists of graphene oxide dispersion + others). And the formed film was subjected to a high-temperature thermal reduction reaction (200 °C, 60 min) to generate a graphene cathode skeleton layer 3 (50 nm); a zinc oxide cathode buffer layer 4 was spin-coated on the graphene cathode skeleton layer 3 (5000 rpm , 40 s), and the prepared film was baked (200 ℃, 60 min), and the PTB7:PCBM (1:1.5, 10 mg / ml) photoactive layer 5 was prepared on the cathode buffer layer 4 by spin coating (1200 rpm, 40 s), dry under nitrogen atmosphere for two hours; spin-co...
Embodiment 2
[0035]Clean the substrate composed of transparent substrate 1 and transparent conductive cathode ITO 2 whose surface roughness is less than 1 nm, and dry it with nitrogen gas after cleaning; spray graphene oxide dispersion on the surface of transparent conductive cathode ITO 2, and its volume ratio The composition is: graphene oxide water dispersion 15% (concentration is 2mg / ml), methanol 60%, ethanol 25%. And the formed film was subjected to a high-temperature thermal reduction reaction (200 °C, 60 min) to generate a graphene cathode skeleton layer 3 (50 nm); a zinc oxide cathode buffer layer 4 was spin-coated on the graphene cathode skeleton layer 3 (5000 rpm , 40 s), and the prepared film was baked (200 ℃, 60 min), and the PTB7:PCBM (1:1.5, 10 mg / ml) photoactive layer 5 was prepared on the cathode buffer layer 4 by spin coating (1200 rpm, 40 s), dry for two hours under a nitrogen atmosphere; spin-coat PEDOT:PSS (15nm) on the surface of the photoactive layer 5 to prepare an ...
Embodiment 3
[0037] Clean the substrate composed of transparent substrate 1 and transparent conductive cathode ITO 2 whose surface roughness is less than 1 nm, and dry it with nitrogen gas after cleaning; spray graphene oxide dispersion on the surface of transparent conductive cathode ITO 2, and its volume ratio The composition is: graphene oxide water dispersion 30% (concentration is 2mg / ml), methanol 15%, ethanol 55%. And the formed film was subjected to a high-temperature thermal reduction reaction (200 °C, 60 min) to generate a graphene cathode skeleton layer 3 (50 nm); a zinc oxide cathode buffer layer 4 was spin-coated on the graphene cathode skeleton layer 3 (5000 rpm , 40 s), and the prepared film was baked (200 ℃, 60 min), and the PTB7:PCBM (1:1.5, 10 mg / ml) photoactive layer 5 was prepared on the cathode buffer layer 4 by spin coating (1200 rpm, 40 s), dry for two hours under a nitrogen atmosphere; spin-coat PEDOT:PSS (15nm) on the surface of the photoactive layer 5 to prepare an...
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