Development of novel UV LED technology using cathodoluminescence inspection

Learn how Cathodoluminescence can be used to develop and produce efficient UV LED devices

In this application note you will learn

  • Challenges of growing efficient bulk UV LEDs
  • Performing inspection with conventional optical microscopy techniques
  • Benefits of using cathodoluminescence for studying UV LED devices

Excerpt from note:

Ultraviolet LEDs have many interesting applications. UVA/UVB/UVC LEDs can act as compact and affordable pump light sources for various spectroscopy applications in lifescience, materials science, medicine, environmental monitoring, and sensing. Additionally, UVA LEDs are used for UV curing (resins, adhesives etc.), lithography, 3D printing and more; UVB LEDs are used in skin treatment, tanning, and plant lighting to name a few applications. UVC LEDs are employed for ultraviolet germicidal irradiation (UVGI) in which the UVC emission is used to kill or inactivate pathogens for disinfection of laboratory equipment, air, water, and/or food. As such it can be an effective weapon in battling infectious diseases [1].

Compared to low-and mid-pressure mercury based UV lamps, LED systems are more flexible, compact, have a faster on-off time, can handle more on-off cycles, and are environmentally more friendly as they do not contain mercury. In this note we will focus on UVC LED materials.

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