Orgnic RE complex fluorescent material and its prepn and application
A technology of organic complexes and fluorescent materials, applied in the field of rare earth europium organic complex fluorescent materials, can solve the problems of insufficient luminous efficiency, poor light stability, and shortened fluorescent service life.
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Embodiment 1
[0028] Embodiment 1: get rare earth chloride EuCl 3 0.768 g, 1.8271 g of dibenzoylmethane, and 2.4655 g of methyl trifatty amine chloride were dissolved in ethanol solution and mixed evenly, stirred and heated for sufficient reaction, filtered, and dried to obtain a solid fluorescent complex. It appears bright red under the irradiation of light with a wavelength of 200nm-450nm.
Embodiment 2
[0029] Embodiment 2: According to product EuL 3 N 2 Weigh the stoichiometric reactant rare earth chloride EuCl 3 , dibenzoylmethane, and triisooctylamine were dissolved in acetone solvent and mixed uniformly. The synthesis steps were the same as in Example 1 to obtain a rare earth fluorescent complex, which was bright red under the irradiation of ultraviolet light with a wavelength of 340nm-410nm.
Embodiment 3
[0030] Embodiment 3: by product EuL 3 N 2 Weigh the stoichiometric reactant rare earth chloride EuCl 3 , dibenzoylmethane, and trialkylamine were dissolved in acetone solvent and mixed uniformly. The synthesis steps were the same as in Example 1 to prepare the rare earth fluorescent complex. When irradiated with light with a wavelength of 250nm-450nm, it will appear bright red.
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