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High External Photoluminescence Quantum Yield in Tin Halide Perovskite Thin Films
Isabella Poli1, Guan-Woo Kim1, E Laine Wong1
1Center for Nano Science and Technology @PoliMi, Istituto Italiano di Tecnologia, via G. Pascoli 70/3, 20133 Milan, Italy.
Abstract:
We show that pristine thin films made of tin halide perovskite have external photoluminescence quantum yield comparable to that of lead halide perovskite, i.e., the material in use to prepare state-of-the-art perovskite solar cells.

