Deep-Ultraviolet Light-Emitting Diodes

Compact solid-state deep-ultraviolet (DUV) light-emitting diodes (LEDs) go far beyond replacing conventional DUV sources such as mercury lamps. DUV LEDs enable new applications for air, water, and surface sterilization and decontamination, bioagent detection and identification, UV curing, and biomed...

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Veröffentlicht in:	IEEE transactions on electron devices 2010-01, Vol.57 (1), p.12-25
Hauptverfasser:	Shur, M.S., Gaska, R.
Format:	Artikel
Sprache:	eng
Schlagworte:	Aluminum gallium nitride Charge carrier processes Gallium nitride Light emitting diodes Light-emitting diodes (LEDs) migration-enhanced chemical vapor deposition Optical superlattices Strain Substrates ultraviolet (UV) radiation water purification
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Beschreibung
Zusammenfassung:	Compact solid-state deep-ultraviolet (DUV) light-emitting diodes (LEDs) go far beyond replacing conventional DUV sources such as mercury lamps. DUV LEDs enable new applications for air, water, and surface sterilization and decontamination, bioagent detection and identification, UV curing, and biomedical and analytical instrumentation. We review materials growth, device physics, design, fabrication, and performance of DUV LEDs with wavelength ranging from 210 to 365 nm, describe prototype systems for water purification and sterilization, and discuss other emerging applications and systems using DUV LEDs.
ISSN:	0018-9383 1557-9646
DOI:	10.1109/TED.2009.2033768