Organic-inorganic compound fluorescent powder, manufacturing method and application
An inorganic compounding and manufacturing method technology, applied in chemical instruments and methods, semiconductor/solid-state device manufacturing, luminescent materials, etc., can solve the problems of mismatching excitation wavelength LED chips, low light conversion efficiency and brightness, etc., to avoid non-radiation The effect of energy transfer, improved stability and easy adjustment
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Embodiment 1
[0035] Get rhodamine compound rhodamine 6G (Acros company) 0.01mmol, be dissolved in the ethanol of 100ml, be mixed with 10 -4 mol / L solution, immerse porous glass whose pore volume accounts for 25% of the total volume of porous glass into the above solution for 8 hours, take it out, wash the surface with ethanol and dry it, then pulverize and grind it to obtain organic- Inorganic composite phosphor. figure 1 A comparison chart of the emission spectra of the organic-inorganic composite phosphor powder prepared in this example and commercially available phosphor powder is given, wherein curve 1 is the emission spectrum of the organic-inorganic composite phosphor powder prepared in this example 1 under the excitation of 475nm excitation light Spectrum; Curve 2 is commercially available YAG (yttrium aluminum garnet, yttrium aluminum garnet), a kind of Ce commercial fluorescent powder (Xi'an Rainbow Fluorescent Materials Co., Ltd.) emission spectrum under its optimal excitation wa...
Embodiment 2
[0037] Get coumarin compound coumarin 307 (Acros company) 0.1mmol, be dissolved in the ethanol of 10ml, be mixed with 10 -2 mol / L solution, immerse porous glass whose pore volume accounts for 30% of the total volume of porous glass into the above solution for 8 hours, take it out, wash the surface with ethanol and dry it, then pulverize and grind it to obtain organic- Inorganic composite phosphor.
Embodiment 3
[0039] Get fluorene compound 9,9-bis(4-aminophenyl) fluorene (Acros company) 0.1mmol, be dissolved in the chloroform of 100ml, be mixed with 10 -3 mol / L solution, immerse porous glass whose pore volume accounts for 25% of the total volume of porous glass into the above solution for 8 hours, take it out, wash the surface with chloroform and dry it, then pulverize and grind it to obtain organic- Inorganic composite phosphor.
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