NDLI: Space charge and light generation in SrS:Ce thin film electroluminescent devices

Content Provider	IEEE Xplore Digital Library
Author	Neyts, K. Soininen, E.
Copyright Year	1963
Abstract	Transient light and charge-voltage measurements on SrS and SrS:Ce thin film electroluminescent devices have been carried out with triangular voltage bursts after illumination. The observations indicate that the trailing edge emission is due to electrons which are emitted from the anodic interface as soon as the field there changes sign and recombine effectively with ionized Ce atoms. From charge-voltage measurements the space charge in the phosphor layer is estimated to be two times higher for the Ce doped sample. Due to this sample charge the field in the phosphor layer of the SrS:Ce devices decreases dramatically from the cathodic toward the anodic interface. If the field at the anodic interface is close to zero, efficient light emission will arise from recombination of electrons with ionized Ce atoms in this region.<>
Sponsorship	IEEE Electron Devices Society
Starting Page	1086
Ending Page	1092
Page Count	7
File Size	722080
File Format	PDF
ISSN	00189383
Volume Number	42
Issue Number	6
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1995-06-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Space charge Transistors Current measurement Electron emission Spontaneous emission Atomic layer deposition Phosphors Thin film devices Electroluminescent devices Voltage
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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