Abstract:Lead halide perovskite nanocrystals (LHPs) are emerging with enormous potential for high‐performance optoelectronics. Regrettably, most of the reported lead halide nanocrystal‐based photodetectors (LHP‐PDs) focus on six‐faceted hexahedron (cube/platelet) shapes and encounter issues of interface recombination of the photogenerated electron‐hole pairs and low carrier migration efficiency. Herein, a vertical heterojunction photodetector with type‐I band alignment based on high‐quality polyhedral orthorhombic CsPb… Show more
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