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Photodetectors based on two‐dimensional (2D) van der Waals heterostructures (vdWHs) have demonstrated great potential in modern nanotechnologies across a wide range of applications. However, due to the severe interface recombination of the photogenerated electron–hole pairs and various absorption edges of constituent layers, they would suffer from low carrier collection efficiency, and the spectral...
Two‐dimensional (2D) materials have unique structural and optoelectronic properties and have very important applications in energy, environment, and high‐performance optoelectronic sensing. Among them, the nonlinear optical properties and related applications are hot research fields. Herein, a novel 2D Bi2Te3–FeTe2 heterostructure is successfully prepared by Fe3+ induction and site‐selective overgrowth...
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