| 摘要 |
A material which electronically isolates a rubidium or cesium atom, which is bonded to only one or two oxygen atoms. This electronic isolation is manifested in narrow photoluminescence emission spectral peaks. The material may be an alkali metal compound comprises the empirical formula: AM(R1)(OR)x; where A is selected from Rb and Cs; M is selected from Al, Ti and V; each R is an independently selected alkyl or aryl group, R1 is selected from alkyl alcohol, aryl alcohol, or a carboxyl group, where OR and R1 are not the same, and x is 2, 3, or 4.
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