Facile synthesis of single crystal of two-dimensional mixed-halide copper-based perovskites with tunable band gaps and their capability of exfoliation and reversible thermochromism.
The optoelectronic properties of lead-based halide perovskites can be enhanced through B-site engineering. Here, we studied the B-site alloying of MAPbBr3 thin films with copper (Cu2+). The alloyed perovskite thin...
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