Lifetimes and band structure of electroluminescence of ZnS:Mn based cells

Eugeniusz Chimczak; Miroslawa Bertrandt-Zytkowiak

doi:10.1117/12.276216

13 June 1997 Lifetimes and band structure of electroluminescence of ZnS:Mn based cells

Eugeniusz Chimczak, Miroslawa Bertrandt-Zytkowiak

Proceedings Volume 3179, Solid State Crystals in Optoelectronics and Semiconductor Technology; (1997) https://doi.org/10.1117/12.276216
Event: XII Conference on Solid State Crystals: Materials Science and Applications, 1996, Zakopane, Poland

Abstract

Spectral and kinetic properties of the electroluminescent thin film cells containing ZnS:Mn and Cu_xS layers were investigated. The cells were produced by thermal evaporation and chemical dipping. Kinetic measurements indicate that, for high manganese concentration the decay curve can be expanded in two exponentials. These exponentials are due to two kinds of manganese centers. Mn²⁺ ions and Mn²⁺-Mn²⁺ pairs. For low cells exhibit a reach structure in the blue and green spectral regions. Further investigation disclosed the presence of two types of the spectra. We also obtained a structure of manganese band of the electroluminescence of the cells for high manganese concentration. Similar to the short-wavelength bands, there are two types of the manganese bands. To our knowledge, this is the first observation of such structure of manganese bands at room temperature.

Citation Download Citation

Eugeniusz Chimczak and Miroslawa Bertrandt-Zytkowiak "Lifetimes and band structure of electroluminescence of ZnS:Mn based cells", Proc. SPIE 3179, Solid State Crystals in Optoelectronics and Semiconductor Technology, (13 June 1997); https://doi.org/10.1117/12.276216

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