BiOCl sheets with tetragonal structure have been succesfully synthesized via a hydrothermal route using BiCl3 as the starting materials. The samples are characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FTIR) and photoluminescence (PL) spectrum. The diameter and thickness of the BiOCl sheets can be adjusted by controlling the hydrothermal temperature and growth time. And BiOCl nanosheets can be obtained. PL spectrum of the BiOCl sheets shows blue light and green light emission, indicating potential application in optical devices.

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