Temperature-dependent Mn2+ emission in codoped CsPb2 (BrCl)5 perovskite nanocrystals
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We prepared codoped CsPb2(BrCl)5 nanocrystal (NC) films by varying the Cu/Mn molar ratio using a facile two-step solution method. The Mn2+ emission peak is studied in the temperature range of 80-300 K. Strong electron-optical-phonon coupling causes an anomalou... ...
