Improved brightness, efficiency, and stability of sputter deposited alternating current thin film electroluminescent ZnS:Mn by codoping with potassium chloride

Autor:	Karen Elizabeth Waldrip, John Lewis, S. S. Sun, Mark Davidson, Paul H. Holloway, Q. Zhai
Rok vydání:	2000
Předmět:	Materials science Physics and Astronomy (miscellaneous) business.industry Doping Inorganic chemistry Nucleation Phosphor Electroluminescence Grain size Electroluminescent display Sputtering Optoelectronics Thin film business
Zdroj:	Applied Physics Letters. 76:1276-1278
ISSN:	1077-3118 0003-6951
DOI:	10.1063/1.126007
Popis:	Electroluminescent ZnS:Mn thin films have been codoped with KCl via an ex situ deposition and diffusion process. The brightness, efficiency, and stability of sputter deposited ZnS:Mn alternating current thin film electroluminescent devices have been greatly improved over untreated devices. Potassium chloride doping is shown to have a modest fluxing effect on the grain size of ZnS:Mn films, particularly in the region of the film where nucleation occurs. However, improved electroluminescence is postulated to be strongly influenced by doping control of electric fields and injected charge.
Databáze:	OpenAIRE
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