Excitation Wavelength Dependent Reversible Photoluminescence Peak in Iodide Perovskites

26 Dec 2018 Qarony Wayesh Hossain Mohammad Kamal Hossain Mohammad Ismail Ma Sainan Zeng Longhui Yu Kin Man Knipp Dietmar Salleo Alberto Sun Huarui Yip Cho Tung Tsang Yuen Hong

Halide perovskites have indisputably exceptional optical and electronic properties, which are attractive for next-generation optoelectronic device technologies. We report on a reversible photoluminescence (PL) peak in iodide-based organic-inorganic lead halide perovskite materials under a two-photon absorption (TPA) process, while tuning the excitation wavelength... (read more)

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