Ultrasound synthesis of lead halide perovskite nanocrystals
We report the ultrasound-induced synthesis of APbX3 perovskite nanocrystals with a wide range of compositions, where A = CH3NH3, Cs, or HNCHNH3 (formamidinium), and X = Cl, Br, or I. Ultrasonic irradiation accelerates dissolution of the precursors (AX and PbX2) in toluene, and the dissolution rate determines the growth rate of the nanocrystals. We fabricated high-sensitivity photodetectors by homogenously spin coating the uniform size nanocrystals on large-area silicon oxide substrates.
Publication Source (Journal or Book title)
Journal of Materials Chemistry C
Jang, D., Kim, D., Park, K., Park, J., Lee, J., & Song, J. (2016). Ultrasound synthesis of lead halide perovskite nanocrystals. Journal of Materials Chemistry C, 4 (45), 10625-10629. https://doi.org/10.1039/c6tc04213a