1.

Record Nr.

UNINA9910825897003321

Autore

Walde Sebastian

Titolo

AlN base layers for UV LEDs / / Sebastian Walde

Pubbl/distr/stampa

Göttingen : , : Cuvillier Verlag, , [2021]

©2021

ISBN

3-7369-6451-X

Edizione

[1st ed.]

Descrizione fisica

1 online resource (157 pages)

Collana

Innovationen mit Mikrowellen und Licht. Forschungsberichte aus dem Ferdinand-Braun-Institut, Leibniz-Institut für Höchstfrequenztechnik ; ; v.66

Disciplina

621.32

Soggetti

LED lighting

Lingua di pubblicazione

Inglese

Formato

Materiale a stampa

Livello bibliografico

Monografia

Nota di contenuto

Intro -- Introduction and Motivation -- CHAPTER 1  Experimental methods -- 1.1 Heteroepitaxial growth of AlN on sapphire -- 1.2 AlN templates as UV LED base layers -- 1.3 State of research -- CHAPTER 2 Experimental methods -- 2.1 Sample fabrication -- 2.2 Characterisation methods -- 2.3 Method for light extraction simulations -- CHAPTER 3 High temperature annealing of MOVPE grown AlN -- 3.1 Annealing of 350 nm thick AlN -- 3.2 Annealing of layer thickness series -- 3.3 Variation of the annealing parameters -- CHAPTER 4 Nanopatterned sapphire substrates -- 4.1 Light extraction simulations of nanopatternedinterface -- 4.2 Growth on sapphire nanopillars -- 4.3 Growth on sapphire nanoholes -- CHAPTER 5 UVC LED performance on the developed AlN templates -- Conclusion -- APPENDIX A.