The 2020 UV emitter roadmap

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dc.contributor.authorAmano, Hiroshi
dc.contributor.authorCollazo, Ramón
dc.contributor.authorSanti, Carlo De
dc.contributor.authorEinfeldt, Sven
dc.contributor.authorFunato, Mitsuru
dc.contributor.authorGlaab, Johannes
dc.contributor.authorHagedorn, Sylvia
dc.contributor.authorHirano, Akira
dc.contributor.authorHirayama, Hideki
dc.contributor.authorIshii, Ryota
dc.contributor.authorKashima, Yukio
dc.contributor.authorKawakami, Yoichi
dc.contributor.authorKirste, Ronny
dc.contributor.authorKneissl, Michael
dc.contributor.authorMartin, Robert
dc.contributor.authorMehnke, Frank
dc.contributor.authorMeneghini, Matteo
dc.contributor.authorOugazzaden, Abdallah
dc.contributor.authorParbrook, Peter J.
dc.contributor.authorRajan, Siddharth
dc.contributor.authorReddy, Pramod
dc.contributor.authorRömer, Friedhard
dc.contributor.authorRuschel, Jan
dc.contributor.authorSarkar, Biplab
dc.contributor.authorScholz, Ferdinand
dc.contributor.authorSchowalter, Leo J.
dc.contributor.authorShields, Philip
dc.contributor.authorSitar, Zlatko
dc.contributor.authorSulmoni, Luca
dc.contributor.authorWang, Tao
dc.contributor.authorWernicke, Tim
dc.contributor.authorWeyers, Markus
dc.contributor.authorWitzigmann, Bernd
dc.contributor.authorWu, Yuh-Renn
dc.contributor.authorWunderer, Thomas
dc.contributor.authorZhang, Yuewei
dc.date.accessioned2022-02-03T15:09:45Z
dc.date.available2022-02-03T15:09:45Z
dc.date.issued2020-09-15
dc.date.updated2022-02-01T11:32:54Z
dc.description.abstractSolid state UV emitters have many advantages over conventional UV sources. The (Al,In,Ga)N material system is best suited to produce LEDs and laser diodes from 400 nm down to 210 nm—due to its large and tuneable direct band gap, n- and p-doping capability up to the largest bandgap material AlN and a growth and fabrication technology compatible with the current visible InGaN-based LED production. However AlGaN based UV-emitters still suffer from numerous challenges compared to their visible counterparts that become most obvious by consideration of their light output power, operation voltage and long term stability. Most of these challenges are related to the large bandgap of the materials. However, the development since the first realization of UV electroluminescence in the 1970s shows that an improvement in understanding and technology allows the performance of UV emitters to be pushed far beyond the current state. One example is the very recent realization of edge emitting laser diodes emitting in the UVC at 271.8 nm and in the UVB spectral range at 298 nm. This roadmap summarizes the current state of the art for the most important aspects of UV emitters, their challenges and provides an outlook for future developments.en
dc.description.sponsorshipDFG, 43659573, SFB 787: Halbleiter - Nanophotonik: Materialien, Modelle, Bauelementeen
dc.identifier.eissn1361-6463
dc.identifier.issn0022-3727
dc.identifier.urihttps://depositonce.tu-berlin.de/handle/11303/16290
dc.identifier.urihttp://dx.doi.org/10.14279/depositonce-15065
dc.language.isoenen
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/en
dc.subject.ddc530 Physikde
dc.subject.otherultravioleten
dc.subject.otherlight emitting diodesen
dc.subject.otherInGaNen
dc.subject.otherUV-LEDen
dc.subject.otherAlGaNen
dc.titleThe 2020 UV emitter roadmapen
dc.typeArticleen
dc.type.versionpublishedVersionen
dcterms.bibliographicCitation.articlenumber503001en
dcterms.bibliographicCitation.doi10.1088/1361-6463/aba64cen
dcterms.bibliographicCitation.issue50en
dcterms.bibliographicCitation.journaltitleJournal of Physics D: Applied Physicsen
dcterms.bibliographicCitation.originalpublishernameIOPen
dcterms.bibliographicCitation.originalpublisherplaceBristolen
dcterms.bibliographicCitation.volume53en
tub.accessrights.dnbfreeen
tub.affiliationFak. 2 Mathematik und Naturwissenschaften::Inst. Festkörperphysik::FG Experimentelle Nanophysik und Photonikde
tub.affiliation.facultyFak. 2 Mathematik und Naturwissenschaftende
tub.affiliation.groupFG Experimentelle Nanophysik und Photonikde
tub.affiliation.instituteInst. Festkörperphysikde
tub.publisher.universityorinstitutionTechnische Universität Berlinen

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