Inteface controlled conduction in a blue-light emitting SrS: Cu, Cl electroluminescent phosphor

Yun-Hi Lee, Kyeong Sik Shin, Jung ho Park, Byeong Kwon Ju, Myung Hwan Oh

Research output: Contribution to journalArticle

Abstract

The leakage current mechanism of the electron beam evaporated SrS:Cu, Cl films was investigated as functions of electric field and temperature. The activation energy and interfacial barrier height of electronic conduction for Al-SrS:Cu, Cl-In2O3:Sn-glass structures were determined by analyzing direct current-voltage characteristics of these structures. We observed in this study that postannealing of the SrS:Cu, Cl films in H2S atmosphere leads to a reduction of leakage current as well as an increase of interfacial barrier height for the leakage current flowing in these films, regardless of the polarity of applied voltage. On the basis of this observation, we suggest that surface modification induced by the postannealing in H2S atmosphere may improve the electrical properties of the SrS:Cu films.

Original languageEnglish
Pages (from-to)236-239
Number of pages4
JournalJournal of Applied Physics
Volume88
Issue number1
Publication statusPublished - 2000 Jul 1

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phosphors
conduction
leakage
atmospheres
electric potential
polarity
direct current
electrical properties
electron beams
activation energy
electric fields
glass
electronics
temperature

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Physics and Astronomy (miscellaneous)

Cite this

Inteface controlled conduction in a blue-light emitting SrS : Cu, Cl electroluminescent phosphor. / Lee, Yun-Hi; Shin, Kyeong Sik; Park, Jung ho; Ju, Byeong Kwon; Oh, Myung Hwan.

In: Journal of Applied Physics, Vol. 88, No. 1, 01.07.2000, p. 236-239.

Research output: Contribution to journalArticle

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