Organic-inorganic hybrid blue light luminescent material based on polyhedral oligomeric silsesquioxane, preparation method and application thereof
A technology of silsesquioxane and blue light materials, applied in the direction of luminescent materials, chemical instruments and methods, etc., can solve the problem that the number of additions and the structure of hybrid molecules are uncontrollable, the luminescence purity and luminescence wavelength are difficult to control, and the energy transfer is uncontrollable. and other problems, to achieve the effect of convenient source of raw materials, low cost, easy processing and molding
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Embodiment 1
[0059] Octavinyl POSS and 2-(4-mercaptostyryl)-9,9-dibutylfluorene hybrid materials
[0060] Octavinyl POSS (6.33g 10mmol) and 2-(4-mercaptostyryl)-9,9-dibutylfluorene (32.96g 80mmol) were dissolved in 50ml DMF, and irradiated by ultraviolet light for 4h. After the initial product was filtered, it was successively washed with CHCl 3 , MeOH, H 2 O, THF, Et 2 O washed and dried under vacuum at 40°C for 12 hours. The molecular formula of the product is: (C 29 SH 32 ) 8 Si 8 o 12 , Yield 99%, Luminescence peak wavelength: 475nm.
[0061]
Embodiment 2
[0063] Reaction of octavinyl POSS with 2-(4-mercaptostyryl)-9,9-dibutylfluorene, 1-mercaptobutane-terminated hybrid material
[0064] Dissolve octavinyl POSS (6.33g 10mmol), 2-(4-mercaptostyryl)-9,9-dibutylfluorene (28.84g 70mmol) in 50ml DMF, irradiate with ultraviolet light for 4h, and then inject 1-mercapto Butane (0.9g 10mmol) was capped under light for 4h. After the initial product was filtered, it was successively washed with CHCl 3 , MeOH, H 2 O, THF, Et 2 O washed and dried under vacuum at 40°C for 12 hours. The molecular formula of the product is: (C 29 SH 32 ) 7 (C 4 SH 10 ) Si 8 o 12 , Yield 95%, Luminescence peak wavelength: 475nm.
[0065]
Embodiment 3
[0067] Mix vinyl POSS (56.97g 90mmol), 2-(4-mercaptostyrene)-9,9-dibutylfluorene (65.62g 120mmol) and 1-mercaptobutane (43.2g 480mmol) into a three-necked flask , UV light, reaction time 2 ~ 10h. After the initial product was filtered, it was successively washed with CHCl 3 , MeOH, H 2 O, THF, Et 2 O washed and dried under vacuum at 40°C for 12 hours. The molecular formula of the product is: (C 37 S 2 h 38 ) 12 (C 4 SH 10 ) 48 (Si 8 o 12 ) 9 , Yield 92%, luminescence peak wavelength: 478nm.
[0068]
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