Method for using chemical vapor deposition method to prepare perovskite film solar cell
A vapor deposition method and a technology for solar cells, applied in the field of solar cells, can solve the problem of high cost and achieve the effects of less grain boundaries, large grains and good uniformity
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[0028] The present invention will be further elaborated below through specific examples.
[0029] The present invention prepares perovskite thin-film solar cells through the following steps:
[0030] (1) Pretreating the substrate;
[0031] The substrate is FTO conductive glass. In this embodiment, the FTO conductive glass is produced by HARTFORD GLASS, USA, and has a sheet resistance of 8 ohms.
[0032] First, use an argon ion thinner to work for 10 minutes at 1KV (kilovolt) voltage and 75° incident angle to reduce the surface roughness of the FTO bottom; secondly, immerse the substrate in acetone in sequence, including Three percent polyethylene glycol monooctylphenyl ether (TritonX-100) in deionized water (Milipore, 18 MΩ-cm), and sonicated for 30 minutes in each of the above solutions; Rinse with deionized water and sonicate in isopropanol for 30 minutes; finally wash the substrate with deionized water, sonicate in deionized water for 30 minutes, and finally dry it with a...
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