Calcium oxide phosphors |
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| Authors: | Willi Lehmann |
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| Affiliation: | Westinghouse Research Laboratories, Pittsburgh, Pennsylvania 15235, U.S.A. |
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| Abstract: | Preparation conditions, emission spectra, and optical absorption spectra are given for CaO-phosphors containing 17 different activators. Spectra and performances are compared to those of corresponding CaS phosphors. CaO is less versatile as a phosphor host material than CaS and, with few exceptions, CaO-phosphors are less efficient. Technical use of the few efficient CaO-phosphors is restricted because of chemical stability problems of CaO in open air. |
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