为了优化基于无机钙钛矿太阳能电池,刘生忠团队采用镧系元素卤化物来改变电子传输层/钙钛矿界面并形成梯度能带,其可以抑制钙钛矿界面和内部的电荷复合。最终,器件获得了高达10.88%的效率,这是基于CsPbIBr2钙钛矿太阳能电池的最高效率。
Waqas Siddique Subhani Kai Wang Minyong Du Xiuli Wang Shengzhong (Frank) Liu. Interface‐Modification‐Induced Gradient Energy Band for Highly Efficient CsPbIBr2 Perovskite Solar Cells. Advanced energy materials.
Doi.org/10.1002/aenm.201803785.
https://onlinelibrary.wiley.com/doi/full/10.1002/aenm.201803785