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2D Bi2O2Se has shown great potential in photodetector from visible to infrared (IR) owing to its high mobility, ambient stability, and layer‐tunable bandgaps. However, for the terahertz (THz) band with longer wavelength and richer spectral information, there are few reports on the research of THz detection based on 2D materials. Herein, an antenna‐assisted Bi2O2Se photodetector is constructed to achieve...
In article number 2009554, Man Luo, Peng Wang, Zhiming Huang, and co‐workers demonstrate a room‐temperature 2D Bi2O2Se photodetector with ultrafast (476 ns) and ultralow noise (0.2 pW Hz−1/2) for broadband detection. In the infrared regions, the nonequilibrium carriers result from photo‐induced electron‐hole pairs in Bi2O2Se. While in the THz region, the nonequilibrium electrons are injected from...
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