Abstract

AbstractIn this work, we present a multifunctional device based on a heterojunction active layer formed between the halide perovskite and chalcogenide quantum dots. The device is demonstrated with an integration of proof‐of‐concept functions, including a voltage controllable multicolor light‐emitting diode, an efficient energy harvesting device, and a photosensitive detector. The concept of the heterojunction active layer provides a feasible route to design efficient multifunctional devices in the future.

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