New 2D material: Two-dimensional black phosphorus (2D BP)

In this article I want to show some properties of black phosphorus (BP) and some of its applications. In particular, in section I I give an introduction to the topic and some historical notes, in section II the 2D crystal structure of the BP is explained, in section III the optical and electronic properties of the BP are shown, in section IV the biomedical applications of the BP are listed and finally in section V there are the conclusions.