Junke Jiang, Chidozie K. Onwudinanti, Ross A. Hatton, Peter A. Bobbert, Shuxia Tao. Stabilizing Lead-Free All-Inorganic Tin Halide Perovskites by Ion Exchange. J. Phys. Chem. C, 2018, 122 (31), pp 17660–17667. [link]