Preparation method and application of porphyrin-carboxylated graphene oxide nano-hybrid nonlinear optical material
A technology of nonlinear optics and carboxylation, which is applied in the field of preparation of porphyrin-carboxylated graphene oxide nano-hybrid nonlinear optical materials, can solve nonlinear optical absorption effects and non-linear normalized fitting transmittance It is too ideal, the performance needs to be improved, etc., to achieve good solubility and dispersion stability, and the effect of tight combination
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Embodiment 1
[0030] (1) Add 120mg of graphene oxide and 15mg of chloroacetic acid to 30.0ml of tetrahydrofuran solution, then add 4ml of triethylamine, reflux at 70°C for 24h; cool to room temperature, filter the reaction solution with a 0.45μm nylon membrane, and use Tetrahydrofuran was washed several times to remove excess graphene oxide and other impurities, and the solid remaining on the filter cake was evacuated to obtain carboxylated graphene oxide;
[0031] (2) Add 60 mg of the product obtained in step 1 and suspend it in 25 ml of DMF, sonicate for 30 minutes, then add 15 mg of monohydroxytetraphenylporphyrin and 80 mg of water loss agent, heat to reflux at 70°C, and react for 96 hours. The reaction solution is cooled, filtered, After washing, 25 mg of porphyrin-carboxylated graphene oxide nano-hybrid nonlinear absorption optical functional material was obtained.
Embodiment 2
[0033] (1) Add 120mg of graphene oxide and 15mg of chloroacetic acid to 30.0ml of tetrahydrofuran solution, then add 4ml of triethylamine, reflux at 70°C for 24h; cool to room temperature, filter the reaction solution with a 0.45μm nylon membrane, and use Tetrahydrofuran was washed several times to remove excess graphene oxide and other impurities, and the solid remaining on the filter cake was evacuated to obtain carboxylated graphene oxide;
[0034] (2) Add 60 mg of the product obtained in step 1 and suspend it in 35 ml of DMF, sonicate for 45 min, then add 20 mg of monohydroxytetraphenylporphyrin and 100 mg of water solution, heat to reflux at 100 ° C, react for 48 h, the reaction solution is cooled, filtered, After washing, 35 mg of porphyrin-carboxylated graphene oxide nano-hybrid nonlinear absorption optical functional material was obtained.
Embodiment 3
[0036] (1) Add 120mg of graphene oxide and 15mg of chloroacetic acid to 30.0ml of tetrahydrofuran solution, then add 4ml of triethylamine, reflux at 70°C for 24h; cool to room temperature, filter the reaction solution with a 0.45μm nylon membrane, and use Tetrahydrofuran was washed several times to remove excess graphene oxide and other impurities, and the solid remaining on the filter cake was evacuated to obtain carboxylated graphene oxide;
[0037] (2) Add 60 mg of the product obtained in step 1 and suspend it in 50 ml of DMF, sonicate for 60 minutes, then add 30 mg of monohydroxytetraphenylporphyrin and 120 mg of water loss agent, heat to reflux at 150°C, and react for 24 hours. The reaction solution is cooled, filtered, After washing, 52 mg of porphyrin-carboxylated graphene oxide nano-hybrid nonlinear absorption optical functional material was obtained.
[0038] figure 1 The infrared spectrum of the porphyrin-carboxylated graphene oxide nano-hybrid photosensitive functi...
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