Enhanced optical path and electron diffusion length enable high-efficiency perovskite tandems

Bin Chen, Se-Woong Baek, Yi Hou, Erkan Aydin, Michele de Bastiani, Benjamin Scheffel, Andrew H. Proppe, Ziru Huang, Mingyang Wei, Ya-Kun Wang, Eui-Hyuk Jung, Thomas Allen, Emmanuel Van Kerschaver, F Pelayo García de Arquer, Makhsud I. Saidaminov, Sjoerd Hoogland, Stefaan De Wolf, E. Sargent