Hole-Transporting Material

High-Performance and Environmentally Stable Planar Heterojunction Perovskite Solar Cells Based on a Solution-Processed Copper-Doped Nickel Oxide Hole-Transporting Layer

Jong H. Kim, Po-Wei Liang, Spencer T. Williams, Namchul Cho, Chu-Chen Chueh, Micah S. Glaz, David Ginger, Alex K. -Y. Jen