A model of active acid-base surface sites for zinc sulfide electroluminescent phosphors |
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Authors: | V V Bakhmet’ev M M Sychev V G Korsakov |
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Institution: | 1.St. Petersburg State Institute of Technology (Technical University),St. Petersburg,Russia |
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Abstract: | Results of studies into surface properties of ZnS: Cu,Al and ZnS: Cu electroluminescent phosphors by the indicator method
were summarized. The surface and electrooptical properties of these phosphors were examined in relation to the reaction batch
composition and synthesis atmosphere, as well as to heat-treatment and electron-beam-induced modification regimes. On this
basis, the structure of the surface active sites having different acid powers was established, and a surface model for zinc
sulfide electroluminescent phosphors was proposed. |
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