Monolithic Dual-Wavelength AlGaN-Based UV-LEDs with Controllable Spectral Profile
Tai Li,
Bowen Sheng,
Wei Luo
et al.
Abstract:Ultraviolet (UV) light sources with
multiple wavelength
emissions
have many applications in different scenarios. However, there are
rare reports on multiwavelength UV light-emitting diodes (LEDs). In
this paper, through adopting dual-wavelength multiple quantum wells
(MQWs) with a specific structure of an ultrathin AlGaN single quantum
well (SQW) with emission at the UVC range grown on MQWs with emission
at the UVB range, we fabricate a UV-LED with simultaneous emission
at wavelengths of 278 and 307 nm. This d… Show more
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