Views: 3 Author: Site Editor Publish Time: 2018-01-30 Origin: Site
Flexible perovskite solar cell efficiency over 17%
Telecommunications, Xi'an Jiaotong University, discovered a simple way to achieve high-quality perovskite film. Inverse plane heterojunction perovskite solar cell with an optoelectronic conversion efficiency of up to 19.44% has been obtained.
It is understood that the researchers prepared perovskite film through spin-coating, using ammonium thiocyanate post-treatment, perovskite film after decomposition, recrystallization process, resulting in larger grains and better crystallinity. A less defective perovskite film. The method is applied to the flexible cells, and the high efficiency inversion plane heterojunction perovskite flexible cells with photoelectric conversion efficiency of 17.04% are realized, which is one of the highest flexible thin film solar cells in the world.
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