AlGaN ultraviolet micro-LEDs

Pengfei  Tian; Xinyi Shan; Shijie Zhu; Enyuan Xie; Jonathan J. D. McKendry; Erdan Gu; Martin D. Dawson

doi:10.1109/JQE.2022.3159854

AlGaN ultraviolet micro-LEDs

Pengfei Tian, Xinyi Shan, Shijie Zhu, Enyuan Xie, Jonathan J. D. McKendry, Erdan Gu, Martin D. Dawson

Research output: Contribution to journal › Review article › peer-review

37 Citations (Scopus)

76 Downloads (Pure)

Abstract

AlGaN-based UV LEDs have proven to have broad applications in many fields including sterilization, disinfection, purification, and phototherapy, but the performance still needs to be further improved. Benefiting from advantages such as better current spreading, lower self-heating effect and higher light extraction efficiency achieved by the reduced LED size, UV micro-LEDs are expected to improve quantum efficiency and thus can expand more potential applications. In this article, performance enhancement techniques and applications of UV micro-LEDs will be reviewed, providing an outlook for further development of AlGaN-based UV-LEDs. The micro-LED format offers possibilities to address fundamental issues that UV LEDs confront in general, but also demonstrates specific characteristics and performance advantages opening up new areas of application including high-speed optical communication, time-resolved fluorescence lifetime measurement, optical pumping, direct writing and charge management.

Original language	English
Article number	3300214
Pages (from-to)	1-14
Number of pages	15
Journal	IEEE Journal of Quantum Electronics
Volume	58
Issue number	4
DOIs	https://doi.org/10.1109/JQE.2022.3159854
Publication status	Published - 28 Jul 2022

Keywords

AlGaN UV micro-LED
optical communication
mask-free photolithography
time-resolved fluorescence
charge management

Access to Document

10.1109/JQE.2022.3159854

Tian-etal-JQE-2022-AlGaN-ultraviolet-micro-LEDsAccepted author manuscript, 3.55 MBLicence: Strath_1

QuantIC - The UK Quantum Technology Hub in Quantum Imaging
Dawson, M. (Principal Investigator), Jeffers, J. (Co-investigator) & Strain, M. (Co-investigator)
EPSRC (Engineering and Physical Sciences Research Council)
1/12/19 → 31/05/25
Project: Research
Light-controlled manufacturing of semiconductor structures: a platform for next generation processing of photonic devices
Martin, R. (Principal Investigator), Dawson, M. (Co-investigator), Edwards, P. (Co-investigator), Skabara, P. (Co-investigator) & Watson, I. (Co-investigator)
EPSRC (Engineering and Physical Sciences Research Council)
1/07/17 → 31/07/22
Project: Research
UK Quantum Technology Hub in Quantum Enhanced Imaging (Quantic)
Birch, D. (Principal Investigator), Dawson, M. (Principal Investigator), Dawson, M. (Principal Investigator), Strain, M. (Principal Investigator), Chen, Y. (Co-investigator), Gu, E. (Co-investigator), Li, D. (Co-investigator), Strain, M. (Co-investigator), Watson, I. (Co-investigator), Jeffers, J. (Researcher), Oppo, G.-L. (Researcher) & Yao, A. (Researcher)
EPSRC (Engineering and Physical Sciences Research Council), HORIBA Jobin Yvon IBH Ltd
1/10/14 → 31/10/19
Project: Research

Cite this

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title = "AlGaN ultraviolet micro-LEDs",

abstract = "AlGaN-based UV LEDs have proven to have broad applications in many fields including sterilization, disinfection, purification, and phototherapy, but the performance still needs to be further improved. Benefiting from advantages such as better current spreading, lower self-heating effect and higher light extraction efficiency achieved by the reduced LED size, UV micro-LEDs are expected to improve quantum efficiency and thus can expand more potential applications. In this article, performance enhancement techniques and applications of UV micro-LEDs will be reviewed, providing an outlook for further development of AlGaN-based UV-LEDs. The micro-LED format offers possibilities to address fundamental issues that UV LEDs confront in general, but also demonstrates specific characteristics and performance advantages opening up new areas of application including high-speed optical communication, time-resolved fluorescence lifetime measurement, optical pumping, direct writing and charge management.",

keywords = "AlGaN UV micro-LED, optical communication, mask-free photolithography, time-resolved fluorescence, charge management",

author = "Pengfei Tian and Xinyi Shan and Shijie Zhu and Enyuan Xie and McKendry, {Jonathan J. D.} and Erdan Gu and Dawson, {Martin D.}",

year = "2022",

month = jul,

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doi = "10.1109/JQE.2022.3159854",

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journal = "IEEE Journal of Quantum Electronics",

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T1 - AlGaN ultraviolet micro-LEDs

AU - Tian, Pengfei

AU - Shan, Xinyi

AU - Zhu, Shijie

AU - Xie, Enyuan

AU - McKendry, Jonathan J. D.

AU - Gu, Erdan

AU - Dawson, Martin D.

PY - 2022/7/28

Y1 - 2022/7/28

N2 - AlGaN-based UV LEDs have proven to have broad applications in many fields including sterilization, disinfection, purification, and phototherapy, but the performance still needs to be further improved. Benefiting from advantages such as better current spreading, lower self-heating effect and higher light extraction efficiency achieved by the reduced LED size, UV micro-LEDs are expected to improve quantum efficiency and thus can expand more potential applications. In this article, performance enhancement techniques and applications of UV micro-LEDs will be reviewed, providing an outlook for further development of AlGaN-based UV-LEDs. The micro-LED format offers possibilities to address fundamental issues that UV LEDs confront in general, but also demonstrates specific characteristics and performance advantages opening up new areas of application including high-speed optical communication, time-resolved fluorescence lifetime measurement, optical pumping, direct writing and charge management.

AB - AlGaN-based UV LEDs have proven to have broad applications in many fields including sterilization, disinfection, purification, and phototherapy, but the performance still needs to be further improved. Benefiting from advantages such as better current spreading, lower self-heating effect and higher light extraction efficiency achieved by the reduced LED size, UV micro-LEDs are expected to improve quantum efficiency and thus can expand more potential applications. In this article, performance enhancement techniques and applications of UV micro-LEDs will be reviewed, providing an outlook for further development of AlGaN-based UV-LEDs. The micro-LED format offers possibilities to address fundamental issues that UV LEDs confront in general, but also demonstrates specific characteristics and performance advantages opening up new areas of application including high-speed optical communication, time-resolved fluorescence lifetime measurement, optical pumping, direct writing and charge management.

KW - AlGaN UV micro-LED

KW - optical communication

KW - mask-free photolithography

KW - time-resolved fluorescence

KW - charge management

U2 - 10.1109/JQE.2022.3159854

DO - 10.1109/JQE.2022.3159854

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AlGaN ultraviolet micro-LEDs

Abstract

Keywords

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Projects

QuantIC - The UK Quantum Technology Hub in Quantum Imaging

Light-controlled manufacturing of semiconductor structures: a platform for next generation processing of photonic devices

UK Quantum Technology Hub in Quantum Enhanced Imaging (Quantic)

Cite this