Efficiency- and lifetime-limiting effects of commercially available UVC LEDs: a review Article Swipe
Grigory Onushkin
,
Jan Ruschel
,
Francesco Piva
,
Matteo Buffolo
,
Jens Raß
,
Lynn Davis
,
Nicola Trivellin
,
Carlo De Santi
,
W.D. van Driel
,
Matteo Meneghini
·
YOU?
·
· 2025
· Open Access
·
· DOI: https://doi.org/10.1088/2515-7647/adebcb
YOU?
·
· 2025
· Open Access
·
· DOI: https://doi.org/10.1088/2515-7647/adebcb
This review is aimed at providing an overview of the technologies of currently-available UVC LEDs, on the challenges that these devices have to face, and on the peculiar features that these modern solid-state emitters exhibit. In particular, this paper is aimed at serving as a bridge between device developers and system manufacturers, by increasing awareness of the differences, both in terms of reliability and operation, that AlGaN-based UVC LEDs show with respect to their visible InGaN/GaN-based counterparts. In this view, this work reports performance and lifetime figures of both commercially-available and research-grade LEDs, showing their limitations in terms of temperature- and current-dependency of the emission spectrum. Both catastrophic and gradual processes that lead to device degradation are discussed, with a particular focus on the kinetics that device properties exhibit during prolonged operation. Moreover, also package-related degradation processes are investigated, which stand-out due to the peculiar structures and materials required to sustain both high-energy UV photons and high localized self-heating, while maximizing the optical efficiency of the LEDs. Ultimately, the data reported within this paper should help the final user in predicting and mitigating degradation effects, while also serving as a reference to manufacturers for the improvement of next generation devices.
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Metadata
- Type
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- Language
- en
- Landing Page
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- OA Status
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- References
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- OpenAlex ID
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All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W4411986701Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.1088/2515-7647/adebcbDigital Object Identifier
- Title
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Efficiency- and lifetime-limiting effects of commercially available UVC LEDs: a reviewWork title
- Type
-
reviewOpenAlex work type
- Language
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enPrimary language
- Publication year
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2025Year of publication
- Publication date
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2025-07-03Full publication date if available
- Authors
-
Grigory Onushkin, Jan Ruschel, Francesco Piva, Matteo Buffolo, Jens Raß, Lynn Davis, Nicola Trivellin, Carlo De Santi, W.D. van Driel, Matteo MeneghiniList of authors in order
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https://doi.org/10.1088/2515-7647/adebcbPublisher landing page
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YesWhether a free full text is available
- OA status
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goldOpen access status per OpenAlex
- OA URL
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https://doi.org/10.1088/2515-7647/adebcbDirect OA link when available
- Concepts
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Limiting, Light-emitting diode, Optoelectronics, Materials science, Environmental science, Engineering physics, Engineering, Mechanical engineeringTop concepts (fields/topics) attached by OpenAlex
- Cited by
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0Total citation count in OpenAlex
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74Number of works referenced by this work
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10Other works algorithmically related by OpenAlex
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| abstract_inverted_index.to | 23, 73, 114, 143, 150, 192 |
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| abstract_inverted_index.while | 160, 186 |
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| abstract_inverted_index.device | 48, 115, 127 |
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| abstract_inverted_index.figures | 87 |
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| abstract_inverted_index.emission | 105 |
| abstract_inverted_index.emitters | 34 |
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| abstract_inverted_index.features | 29 |
| abstract_inverted_index.kinetics | 125 |
| abstract_inverted_index.lifetime | 86 |
| abstract_inverted_index.overview | 8 |
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| abstract_inverted_index.Moreover, | 133 |
| abstract_inverted_index.awareness | 55 |
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| abstract_inverted_index.materials | 148 |
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| abstract_inverted_index.current-dependency | 102 |
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| abstract_inverted_index.commercially-available | 90 |
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| institutions_distinct_count | 10 |
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| citation_normalized_percentile.is_in_top_1_percent | False |
| citation_normalized_percentile.is_in_top_10_percent | False |