Physical and technological analysis of the AlGaN-based UVC-LED: an extended discussion focused on cubic phase as an alternative for surface disinfection
Document title: Physical and technological analysis of the AlGaN-based UVC-LED: an extended discussion focused on cubic phase as an alternative for surface disinfection
Journal: Revista mexicana de física
Database: PERIÓDICA
System number: 000460810
ISSN: 0035-001X
Authors: 1
1
2
3
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1
4
5
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Institutions: 1Instituto Tecnológico de Tuxtla Gutiérrez, Tuxtla Gutiérrez, Chiapas. México
2Polish Academy of Sciences, Institute of High-Pressure Physics, Varsovia. Polonia
3Universidad Politécnica de Chiapas, Cuerpo Académico de Energía y sustentabilidad, Tuxtla Gutiérrez, Chiapas. México
4Instituto Politécnico Nacional, Centro de Investigación y de Estudios Avanzados, Ciudad de México. México
5Instituto Politécnico Nacional, Unidad Profesional Interdisciplinaria en Ingeniería y Tecnologías Avanzadas, Ciudad de México. México
Year:
Season: Mar-Abr
Volumen: 68
Number: 2
Country: México
Language: Inglés
Document type: Artículo
Approach: Analítico, teórico
English abstract Crisis in coronavirus times requires understanding the effects on society and establishing efficient mechanisms to prevent infections. The disinfection of personal protection equipment by UVC light remains a key opportunity area. Therefore, this letter presents the main drawbacks and challenges on the fabrication of deep ultraviolet LEDs based on III-nitrides, such as the substrate selection, dislocation reduction, the increase of external quantum efficiency, enhancement of the radiative recombination in the active region, the complications to reach high Al content in AlGaN-based UVC LED avoiding the reduction of the p-doping, replacing the p-GaN contact layer by p-AlGaN without hindering the deposition of ohmic contacts. Furthermore, the cubic phase is suggested as a promising candidate for AlGaN UVC-LEDs applications as is discussed in this work
Disciplines: Física y astronomía
Keyword: Física,
Diodos emisores de luz ultravioleta,
Desinfección,
Eficiencia cuántica externa
Keyword: Physics,
Ultraviolet light-emitting diodes,
Disinfection,
External quantum efficiency
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