Electronic structure of Black Phosphorous upon laser excitation revealed by Time- and Angle-Resolved Photoemission Spectroscopy

Black phosphorous is an intriguing two-dimensional material which possesses a variety of interesting physical properties such as high quality 2DEG and tunable band gap. Investigating how Light-matter interaction can modify its electronic structure is an important topic. Here I will present our experimental results on electronic structure of black phosphorous upon laser excitation by using time- and angle-resolved photoemission spectroscopy.