University of Electronic Science and Technology of China

Junwei Chu

Yang Wang

Jie Xiong

Miao Zhang

Yanrong Li

Xinrui Chen

Gaofeng Rao

Yuqing Liu

Chujun Yin

Chunyang Wu

Xianfu Wang

Chaoyi Yan

Liping Dai

Chuanhui Gong

Jianwen Huang

Wanli Zhang

A method for preparing an ultrathin two-dimensional (2D) monocrystalline nanosheet, the method including: 1) placing BiXpowder where X=I, Br, or Cl in a crucible, and putting the crucible on a first heating zone of a furnace disposed at a gas inlet of a quartz tube; placing substrates covered with metal sheets on a second heating zone of the furnace disposed at a gas outlet of the quartz tube; 2) vacuumizing the quartz tube; pumping Ar gas into the quartz tube until the air pressure is 101.325 kPa; pumping a carrier gas into the quartz tube; and 3) heating and maintaining the second heating zone; heating the first heating zone for BiXevaporation until producing chemical reaction between BiXand the metal sheets, and preparing ultrathin 2D nanosheets on the substrates simultaneously; and cooling the substrate naturally to 15-30&#xb0; C.

Method for preparing ultrathin two-dimensional nanosheets and applications thereof

Growing community of inventors

Chengdu, China

Junwei Chu