A polymer solar battery and its making method
A solar cell and polymer technology, applied in circuits, photovoltaic power generation, electrical components, etc., can solve problems such as unfavorable large-scale industrial production, difficult to accurately control, high process requirements, etc., to increase photoelectric conversion efficiency and improve fill factor. , the effect of simple process
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[0023] Example 1 (comparative example), preparation of solar cell without cathode modification layer
[0024] The transparent conductive glass sputtered with ITO (anode) is cleaned by ultrasonic cleaning, deionized water, acetone, and isopropanol in sequence, and then the surface of the substrate is treated with ozone, and then 30nm thick PEDOT:PSS is spin coated as the anode The modified film is dried at 150°C for 10 minutes. A mixed solution of 3 mg / ml MEH-PPV and PCBM 1:4 (mass ratio) was directly spin-coated on the above-mentioned anode-modified substrate at a speed of 1600 revolutions per minute (rpm) as the photoelectric active layer, and then Dry at 50°C for 30 minutes and cool to room temperature naturally; finally, at 5×10 -5 150 nanometer aluminum was deposited under vacuum to serve as the cathode.
[0025] Figure 2 shows the current-voltage curve of the device without light exposure and 100 milliwatts per square centimeter of simulated sunlight. The prepared device unde...
Example Embodiment
[0026] Example 2. Preparation of the solar cell of the present invention
[0027] Accurately measure 50 microliters of 70% diisopropoxy bis(acetylacetone) titanium isopropanol solution (purchased from Alfa Aesar, USA) and add it to 1000 microliters of anhydrous and oxygen-free isopropyl In the alcohol, stir well, let it stand, and filter with a 5 micron filter, set aside.
[0028] The transparent conductive glass sputtered with ITO (anode) is ultrasonically cleaned with detergent, deionized water, acetone, and isopropanol, and then the surface of the substrate is treated with ozone, and then 30nm thick PEDOT:PSS is spin-coated as The anode modified film is dried at 150°C for 10 minutes. A mixed solution of 3 mg / ml MEH-PPV and PCBM 1:4 (mass ratio) was directly spin-coated on the above-mentioned anode-modified substrate at a speed of 1600 revolutions per minute (rpm) as the photoelectric active layer, and then Dry at 50°C for 30 minutes and cool to room temperature naturally. The p...
Example Embodiment
[0030] Example 3.
[0031] The transparent conductive glass sputtered with ITO (anode) is ultrasonically cleaned with detergent, deionized water, acetone, and isopropanol, and then the surface of the substrate is treated with ozone, and then 30nm thick PEDOT:PSS is spin-coated as The anode modified film is dried at 150°C for 10 minutes. A mixed solution of 3 mg / ml MEH-PPV and PCBM 1:4 (mass ratio) was directly spin-coated on the above-mentioned anode-modified substrate at a speed of 1600 revolutions per minute (rpm) as the photoelectric active layer, and then Dry at 50°C for 30 minutes and cool to room temperature naturally. The prepared diisopropoxy bis(acetylacetone) titanium isopropanol solution was directly spin-coated on the top of the photoelectric active layer at a rotation speed of 4000 rpm, and vacuum dried at 80°C for 30 minutes, and then naturally cooled; , In 5×10 -5 150 nanometer aluminum was deposited under vacuum to serve as the cathode.
[0032] The thickness of th...
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