Chemical method for preparing dye-sensitized solar cell slurry
A technology for solar cells and dye sensitization, applied in the field of preparation of dye-sensitized solar cell paste, can solve the problems of low output of P25 type titanium dioxide, complicated process of terpineol-based paste, easy introduction of impurities, etc. Large-scale industrial production, the realization of large-scale industrial production, the effect of simple process
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specific Embodiment approach 1
[0019] Specific implementation mode 1: In this implementation mode, dye-sensitized solar cell slurry is prepared according to the following steps:
[0020] 1. Weigh 10g of P25 powder, disperse it into 40ml of deionized water, add 2.5ml of glacial acetic acid (analytical purity 99.5 wt.%), and stir evenly;
[0021] 2. After sealing the mixed solution with plastic wrap, put it in a constant temperature box to raise the temperature to 90°C and keep it warm for 12 hours;
[0022] 3. Put the reacted mixed solution into a drying oven and dry at a constant temperature of 60°C;
[0023] 4. Weigh 0.5g of the modified powder, disperse it into 0.6ml of deionized water, and ultrasonicate for 5min;
[0024] 5. Slowly add 2ml of alcohol solution containing 0.1wt.% hydrochloric acid to make the titanium dioxide colloid into a viscous colloid;
[0025] 6. Use the screen printing method to coat a layer of slurry on the cleaned conductive glass, tear off the tape after natural drying, put it in
specific Embodiment approach 2
[0032] Specific implementation mode 2: In this implementation mode, dye-sensitized solar cell slurry is prepared according to the following steps:
[0033] 1. Weigh 10g of P25 powder, disperse it into 40ml of ethanol (analytical pure), add 2.5ml of glacial acetic acid (analytical pure 99.5 wt.%), and stir evenly;
[0034] 2. After sealing the mixed solution with plastic wrap, put it in a constant temperature box to raise the temperature to 80°C and keep it warm for 12 hours;
[0035] 3. Put the reacted mixed solution into a drying oven and dry at a constant temperature of 60°C;
[0036] 4. Weigh 0.5g of the modified powder, disperse it into 0.6ml of deionized water, and ultrasonicate for 5 minutes;
[0037] 5. Slowly add 2ml of alcohol solution containing 0.1wt.% hydrochloric acid to make the titanium dioxide colloid into a viscous colloid;
[0038] 6. Use the screen printing method to coat a layer of slurry on the cleaned conductive glass, tear off the tape after natural d
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