Balanced Photodetection in One-Step Liquid-Phase-Synthesized CsPbBr₃ Micro-/Nanoflake Single Crystals

Here, we reported a low-cost and high-compatibility one-step liquid-phase synthesis method for synthesizing high-purity CsPbBr₃ micro-/nanoflake single crystals. On the basis of the high-purity CsPbBr₃, we further prepared a low-dimensional photodetector capable of balanced photodetection, involving both high external quantum efficiency and rapid temporal response, which is barely realized in previously reported low-dimensional photodetectors.