China Petroleum Chemical Corporation

North China Electric Power University

Petroleum Engineering Research Institute, Sinopec

Xuepeng Liu

Wei Liu

Chen Wang

Cheng Liu

Yong Ding

Qichun Wang

Shidong Ding

Qian Tao

Songyuan Dai

Shiming Zhou

Molang Cai

A multiphase particle has a multiphase structure comprising a first phase and a second phase and has an average particle size of 0.1-100 mm. The multiphase particle has a high bulk strength and a good interface binding power with the hardened cement and is particularly suitable for the toughening application of the hardened cement.

Multiphase particle, manufacturing process and use thereof

The present disclosure provides a method for preparing a perovskite quantum dot film by one-step crystallization, and belongs to the field of perovskite quantum dot material technology. The present disclosure uses adamantanemethylamine and hydrohalic acid as ligands, first mixes a cesium halide, a lead halide, and the ligands with a solvent to obtain a precursor solution, then deposits the precursor solution on a substrate, and then heats the substrate to obtain the CsPbXperovskite quantum dot film. The present disclosure uses adamantanemethylamine and hydrohalic acid as the ligands, which can quickly coat the perovskite, complex with the CsPbXperovskite, and directly form the perovskite quantum dot via a strong steric effect. Further, the present disclosure is simple and inexpensive, can directly obtain a high-quality perovskite quantum dot film with a thickness of more than 500 nm by one-step crystallization.

Method for preparing CsPbX3 perovskite quantum dot film by one-step crystallization

Growing community of inventors

Beijing, China

Xuepeng Liu