The 1D transition metal tetra-chalcogenides, NbTe4, with inherent structural and optical anisotropy, has been used to develop a polarization-sensitive photodetector. The NbTe4 flakes-based device displays pronounced anisotropic photodetection properties with a dichroic ratio of 1.16 at 671 nm and 1.25 at 1064 nm. It also demonstrates a significant photothermoelectric effect, enabling a broad spectral response from the visible to near-infrared spectrum (532-1064 nm).
- Huahu Luo
- Fafa Wu
- Guowei Yang
