Controllable Work Function of Li:Al Alloy Nanolayers for Organic Light-Emitting Devices

The surface of Li:Al nanolayers that were deposited by thermal evaporation of Li:Al alloy sources has been measured by ultraviolet photoelectron spectroscopy, which exhibited huge variation with the Li:Al nanolayer thickness. The hybrid organic light‐emitting devices with the controlled Li:Al nanola...

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Veröffentlicht in:	Advanced engineering materials 2005-11, Vol.7 (11), p.1023-1027
Hauptverfasser:	Kim, Y., Choi, D., Moon, B., Oh, E., Lim, H., Kwon, S., Ha, C.
Format:	Artikel
Sprache:	eng
Schlagworte:	Li-Al alloys Nanolayers Organic LEDs
Online-Zugang:	Volltext
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Beschreibung
Zusammenfassung:	The surface of Li:Al nanolayers that were deposited by thermal evaporation of Li:Al alloy sources has been measured by ultraviolet photoelectron spectroscopy, which exhibited huge variation with the Li:Al nanolayer thickness. The hybrid organic light‐emitting devices with the controlled Li:Al nanolayer surface contacts as an electron‐injecting layer showed linearly varied charge transport and turn‐on voltages with the work function of the nanolayer surfaces.
ISSN:	1438-1656 1527-2648
DOI:	10.1002/adem.200500151