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Electroluminescence from ZnS:MnCl2 thin film devices co-doped with MgF2 or MgS

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Material Research Innovations

Abstract

 We report a red shift in the light emission from thin film electroluminescent devices consisting of ZnS co-doped with MgF2 and MnCl2 as the phosphor semiconductors and Ta2O5 films as insulators. The electroluminescence spectrum shows two peaks at ∼615 nm and at ∼670 nm. The devices have a threshold of about 110 V under 50 Hz a.c driving voltage and show brightness over ∼100 cd/m2 at 160 V. The devices are compared with MgS co-doped devices which show green shifted light emission.

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Authors and Affiliations

  1. School of Physics, University of New South Wales, Sydney 2052, Australia Fax: +61-29385-6060, e-mail: d.haneman@unsw.edu.au, , , , , , AU

    J. Yuan & D. Haneman

  2. School of Chemistry, University of New South Wales, Sydney 2052, Australia, , , , , , AU

    B. Gong

Authors
  1. J. Yuan
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  2. D. Haneman
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  3. B. Gong
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Additional information

Received: 28 August 1998 / Reviewed and accepted: 28 September 1998

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Yuan, J., Haneman, D. & Gong, B. Electroluminescence from ZnS:MnCl2 thin film devices co-doped with MgF2 or MgS. Mat Res Innovat 2, 223–226 (1999). https://doi.org/10.1007/s100190050089

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  • DOI: https://doi.org/10.1007/s100190050089

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