Matsui, TYokoyama, TNegami, TSekiguchi, TSaliba, MGratzel, MSegawa, H2018-11-082018-11-082018-11-08201810.1246/cl.180211https://infoscience.epfl.ch/handle/20.500.14299/150150WOS:000433634300035Effect of Rubidium for Thermal Stability of Triple-cation Perovskite Solar Cellstext::journal::journal article::research article