The emission bands of cadmium selenide activated by silver, copper, and gold, and coactivated by trivalent metals, were found at 0.92, 1.20, and 1.45 μ, respectively, at the temperature of liquid nitrogen. The silver band is completely quenched at room temperature. A near edge emission of CdSe was found at 0.72 μ.
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Avinor et al. (1960) studied this question.
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