Thermodynamic Origin of the Photostability of the Two-Dimensional Perovskite PEA2Pb(I1- x Br x )4
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The two-dimensional (2D) mixed halide perovskite PEA2Pb(I1-x Br x )4 exhibits high phase stability under illumination as compared to the three-dimensional (3D) counterpart MAPb(I1-x Br x )3. We explain this difference using a thermodynamic theory that consider... ...
