Phys.org  May 8, 2024 Black arsenic as 2-dimensional van der Waals layered material is a promising candidate for electronic and photonic applications because of tunable bandgap layers, high carrier mobility, and anisotropic transport feature. However, the potential of black arsenic for engineering nanophotoelectronic devices in the range from visible to near-infrared wavelength has not been reported. Researchers in China used black arsenic in visible–infrared detectors at the range from 520 to 1,550 nm, exhibiting a photoresponsivity of 0.4 A·W−1 and a detective of 1.37 × 108 Jones… read more. Open Access TECHNICAL ARTICLE