BiOCl nanoring and synthetic method thereof

The invention belongs to the field of nanometer materials, and specifically discloses a BiOCl nanoring and a synthetic method thereof. The synthetic method comprises the following steps: (1) subjecting an aqueous solution containing Bi3+, Cl- and polyethylene glycol to a reaction under heating so as to obtain a BiOCl nanosheet; and (2) etching the BiOCl nanosheet in an acid fluid. The synthetic method provided by the invention can obtain the BiOCl nanoring, and fills the blank of synthesis of the BiOCl nanoring; meanwhile, the BiOCl nanoring obtained by using the synthetic method provided by the invention has higher photocatalytic activity compared with a conventional BiOCl nanoring with a non-porous center. Moreover, the synthetic method provided by the invention has simple steps and is easy to control; and the BiOCl nanoring obtained by using the synthetic method provided by the invention has regular morphology, high scientific research values and high photocatalytic application values. 本发明属于纳米材料领域，具体公开了种Bi