A method for preparing electron transport layer of perovskite battery by spraying method
A technology of electron transport layer and perovskite battery, which is applied in circuits, electrical components, photovoltaic power generation, etc., can solve the problems of weak battery performance and complex equipment, and achieve the effect of simple equipment, low temperature and short production cycle
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Embodiment 1
[0054] Mix the isopropanol required for the reaction, about 5nm titanium dioxide nano-powder and polyethylene glycol in a mass ratio of 1000:5:2, stir magnetically for about 2 hours until the solution is uniformly mixed, transfer it to a 1000ml sand mill jar Keep at 2600r / min for 5 hours, centrifuge the obtained mixed solution at low speed after the reaction, and take the upper layer mixed solution as the slurry required for spraying for later use;
[0055] Using FTO as the substrate, spray a layer of titanium dioxide slurry, in which the distance between the sample stage and the nozzle is 27cm; the moving track of the nozzle is left and right purge, and the stride forward and backward is 5cm each time; the purge air pressure is 4 atmospheres; the slurry extraction speed 10ml / s and single purge time 5-30s;
[0056] The FTO glass deposited with the titanium dioxide electron transport layer was placed in an oven to dry, and kept at 70° C. for 2 hours to obtain a dense titanium d...
Embodiment 2
[0059] Mix the isopropanol required for the reaction, titanium dioxide nanopowder of about 25nm, and polyethylene glycol in a mass ratio of 1000:5:2, stir magnetically for about 2 hours, until the solution is uniformly mixed, and transfer it to a 1000ml sanding tank. Keep it at 2600r / min for 5 hours, centrifuge at low speed after the reaction is over, and take the upper layer mixture as the slurry required for spraying;
[0060] Using FTO as the substrate, spray a layer of titanium dioxide slurry, in which the distance between the sample stage and the nozzle is 27cm; the moving track of the nozzle is left and right purge, and the stride forward and backward is 5cm each time; the purge air pressure is 4 atmospheres; the slurry extraction speed 10ml / s and single purge time 5-30s;
[0061] The FTO glass deposited with the titanium dioxide electron transport layer was placed in an oven to dry, and kept at 70° C. for 2 hours. Finally, other layer materials needed to form the perov...
Embodiment 3
[0064] Mix the isopropanol required for the reaction, about 50nm titanium dioxide nanopowder and polyethylene glycol in a mass ratio of 1000:5:2, stir magnetically for about 2 hours until the solution is uniformly mixed, transfer it to a 1000ml sand mill jar Keep it at 2600r / min for 5 hours, centrifuge at low speed after the reaction is over, and take the upper layer mixture as the slurry required for spraying;
[0065] Using FTO as the substrate, spray a layer of titanium dioxide slurry, in which the distance between the sample stage and the nozzle is 27cm; the moving track of the nozzle is left and right purge, and the stride forward and backward is 5cm each time; the purge air pressure is 4 atmospheres; the slurry extraction speed 10ml / s and single purge time 5-30s;
[0066] The FTO glass deposited with the titanium dioxide electron transport layer was placed in an oven to dry, and kept at 70° C. for 2 hours. Finally, other layer materials needed to form the perovskite sol...
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