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SPECIAL ISSUE ON SPECTRAL SENSING RESEARCH FOR WATER MONITORING APPLICATIONS & FRONTIER SCIENCE AND TECHNOLOGY FOR CHEMICAL, BIOLOGICAL AND RADIOLOGICAL DEFENSE (VOL. 2) – Frontier Session; EDITED BY J. JENSEN AND D. WOOLARDNo Access

PROGRESS IN HIGH EFFICIENCY UV LED RESEARCH FOR REAGENTLESS BIOAGENT DETECTION AND WATER PURIFICATION

MEREDITH L. REED

U.S. Army Research Laboratory, Sensors and Electron Devices Directorate, Adelphi, MD, USA

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GREGORY A. GARRETT

U.S. Army Research Laboratory, Sensors and Electron Devices Directorate, Adelphi, MD, USA

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ANAND V. SAMPATH

U.S. Army Research Laboratory, Sensors and Electron Devices Directorate, Adelphi, MD, USA

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U.S. Army Research Laboratory, Sensors and Electron Devices Directorate, Adelphi, MD, USA

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CHARLES J. COLLINS

U.S. Army Research Laboratory, Sensors and Electron Devices Directorate, Adelphi, MD, USA

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MICHAEL WRABACK

U.S. Army Research Laboratory, Sensors and Electron Devices Directorate, Adelphi, MD, USA

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Sensor Electronic Technology, Inc., 1195 Atlas Road, Columbia, SC, USA

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Sensor Electronic Technology, Inc., 1195 Atlas Road, Columbia, SC, USA

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Sensor Electronic Technology, Inc., 1195 Atlas Road, Columbia, SC, USA

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Sensor Electronic Technology, Inc., 1195 Atlas Road, Columbia, SC, USA

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Sensor Electronic Technology, Inc., 1195 Atlas Road, Columbia, SC, USA

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Sensor Electronic Technology, Inc., 1195 Atlas Road, Columbia, SC, USA

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Sensor Electronic Technology, Inc., 1195 Atlas Road, Columbia, SC, USA

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https://doi.org/10.1142/S0129156408005254Cited by:1 (Source: Crossref)

Abstract

We present material and device characterization of 280 nm semiconductor ultraviolet light emitting diodes. These devices exhibit low series resistance, wavelength stability with increasing current, and have a half-life in excess of 570hrs, depending upon the injection current. Time-resolved photoluminescence studies of these materials prior to fabrication have been correlated with the device performance. We also discuss the potential for use in water purification.

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References

Y. Bilenkoet al., Jap. J. Appl. Phys. 44, L98 (2005), DOI: 10.1143/JJAP.44.L98. Crossref, Web of Science, Google Scholar
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R. Gaska and J. Zhang, Proc. SPIE 6037, 603706 (2005), DOI: 10.1117/12.638266. Crossref, Google Scholar
Brighter LEDs improve water purification rates, Compoundsemiconductor.net, November 14, 2005 . Google Scholar
Lupal, Myron, UV Offers Reliable Disinfection, http://www.cwqa.com/html/UV_Article.htm . Google Scholar
http://www.s-et.com/ . Google Scholar
R. S. Qhalid Fareedet al., Migration enhanced MOCVD (MEMOCVD TM) buffers for increased carrier lifetime in GaN and AlGaN epilayers on sapphire and SiC substrate 2(7), 2095 (2005). Google Scholar
G. A. Garrettet al., Physica Status Solidi (c) 3(6), 2125 (2006), DOI: 10.1002/pssc.200565448. Crossref, Google Scholar

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Vol. 18, No. 01

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