Perovskite solar cell
A solar cell and perovskite technology, applied in circuits, photovoltaic power generation, electrical components, etc., can solve problems such as reducing photoelectric conversion efficiency and reducing short-circuit current of solar cells, achieving high photoelectric conversion efficiency, large short-circuit current, and simple process Effect
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[0021] The present invention will be further explained below in combination with specific embodiments.
[0022] 1) Clean the ITO glass substrate: ultrasonically clean the substrate in glass detergent, deionized water, acetone, and isopropanol for 10 minutes, then dry it with nitrogen, and treat it in an ultraviolet ozone cleaner for 15 minutes;
[0023] 2) Preparation of nickel oxide layer: spin-coat nickel oxide solution on the cleaned ITO glass substrate with a coater at a speed of 4000rpm for 240°C, then heat anneal in a nitrogen atmosphere for 15min at an annealing temperature of 150°C, and then Put it in the air for thermal annealing for 60min, the annealing temperature is 300℃;
[0024] 3) Preparation of the active layer: transfer the substrate to a nitrogen glove box, spin-coat tin-containing perovskite solution with a homogenizer at a speed of 2000rpm for 60s, then immediately drip chlorobenzene solution for extraction, and chlorobenzene solution The spin coating spee...
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