Researchers develop black arsenic visible infrared photodetectors

The crystals of semiconducting black arsenic phosphorus were the subject of experimentation, as the researchers explored its dual-bandwidth detection capabilities (Image: Andreas Battenberg/TUM)

The crystals of semiconducting black arsenic phosphorus were the subject of experimentation, as the researchers explored its dual-bandwidth detection capabilities (Image: Andreas Battenberg/TUM)

In recent years, the structure and electrical and optical properties of two-dimensional layered crystals have attracted widespread attention. Examples of such crystals include black phosphorus – the material used in the research.

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