A visible light enhanced TiCT/silicon nanowire array heterojunction broadband photodetector based on leaky mode resonance.

Silicon-based broadband photodetectors (BBPDs) are extensively utilized in both the civilian and military fields due to their advanced fabrication processes and superior optoelectronic properties. However, most silicon-based BBPDs exhibit significantly reduced response in the visible range compared to the near-infrared band, which limits their further application in advanced optoelectronic systems. In this study, a visible-light-enhanced TiCT MXene/Si NW heterojunction BBPD is constructed by employing a small diameter silicon nanowire (Si NW) array.