Improved reverse bias stability in p–i–n perovskite solar cells with optimized hole transport materials and less reactive electrodes

Fangyuan Jiang, Yangwei Shi, Tanka Raj Rana, Daniel Morales, Isaac E. Gould, Declan P. McCarthy, Joel A. Smith, M. Greyson Christoforo, Muammer Y. Yaman, Faiz Mandani, Tanguy Terlier, Hannah Contreras, Stephen Barlow, Aditya D. Mohite, Henry J. Snaith, Seth R. Marder, J. D. MacKenzie, Michael D. McGehee, David S. Ginger