Abstract:The mechanochromic luminescence (MCL) properties of crystallized powders of composites based on the 3D perovskite MAPbBr3 and one layered (2D) halide perovskite (HP) are reported for three 2D HPs selected for their distinct emission properties: (PEA)2PbBr4 (n=1) narrow emission (HE), (EDBE)PbBr4 (m=2) broad emission (LE) and (BA)2PbBr4 (n=1) dual emission (HE and LE). All composites exhibit sensitive MCL due to the activation of the 3D component emission through energy transfer (ET) from multilayered perovskit… Show more
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