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The photoluminescent polarization properties of organic halide perovskites are of great importance for the fundamental understanding and for device fabrication, while limited relevant work has been published. In this work we investigate the fluorescence polarization properties of the CH3NH3PbI3, CH3NH3PbI3−xClx, and CH3NH3PbBr3 perovskites which have been used in some of the highly efficient solar...
Study of the emission behavior of organometal halide perovskites CH3NH3PbBr3 as function of excitation intensity by using photoluminescence (PL) and time-resolved photoluminescence (TRPL) techniques reveals the photo-activated mobile ion can evidently impact carrier dynamics in the minutes time scale. We observe that PL intensity and PL decay exhibit excitation intensity dependent reductions in the...
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