@article{Uhlik_2021, author = "D. Han and Q. Yuan and Z. Slanina and X. Tang and S. Yi and D.-Y. Zhou and F. Uhlik and L. Feng", title = "Enhancing Built-In Electric Field and Defect Passivation through Gradient Doping in Inverted CsPbI 2 Br Perovskite Solar Cells", year = 2021, journal = "RRL Solar", volume = 5, number = 1, pages = "2000629", month = "Jan", doi = "10.1002/solr.202000629" }