Probing the Carrier Dynamics in Metal-halide Perovskites for Light Emission Applications

Guichuan Xing

Institute of Applied Physics and Materials Engineering, University of Macau, Avenida da Universidade, Taipa, Macao SAR, China.

Email: gcxing@um.edu.mo

Abstract: The development of high-efficiency, stable and low-cost luminescent materials and devices is one of the most effective ways to achieve efficient use of energy, and is an important guarantee for our country's transition to a low-carbon economy. Metal-halide perovskites possess the advantages of both inorganic and organic materials, and have great potential for low-cost, large-area, flexible display and lighting applications. The core of the work of perovskite light-emitting devices is the carrier dynamics of the functional layer under the driving of electric/optical field. Therefore, the detection, understanding and manipulation the carrier dynamics in perovskite by tailoring the materials’ dimensionality and size are the key scientific issues in this field. In this report, we’ll introduce our recent discoveries on the excellent luminescent properties of metal-halide perovskites, the detection and regulation of carrier dynamics, research works on performance optimization of light-emitting devices and development of new luminescent applications.

Bio:

Guichuan Xing

Prof. Guichuan Xing is a professor in the Institute of Applied Physics and Materials Engineering at the University of Macau (UM). He received his Ph.D. in Physics from National University of Singapore in 2011 and then worked as research fellow in the Division of Physics & Applied Physics at Nanyang Technological University (Singapore) from 2009 to 2016. He joined UM in 2016. His research interests lie in ultrafast laser spectroscopy, nano optoelectronics, perovskite for light harvesting and light emission. He has published more than 300 peer-reviewed journal papers with citation over 30,000 times.