A kind of graphene oxide hybrid material functionalized by platinum complex and its preparation method and application
A complex and functionalization technology, applied in the direction of platinum-based organic compounds, platinum-group organic compounds, chemical instruments and methods, etc., can solve the problems of difficult deviceization and lack of practical value of liquid-phase substances
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[0073] The invention provides a method for preparing a graphene oxide hybrid material functionalized by a platinum complex, comprising the following steps:
[0074] Mixing acid-chlorinated graphene oxide with a platinum complex having a structure shown in formula I, dimethylformamide and triethylamine, and reacting in a protective atmosphere to obtain a platinum complex having a structure shown in formula I Functionalized graphene oxide hybrid materials;
[0075] Graphene oxide and Na 2 CO 3 Solution reaction prepares graphene oxide colloid containing sodium ions, and then ultrasonically reacts the colloid with the platinum complex having the structure shown in formula II to obtain platinum oxide functionalized with the platinum complex having the structure shown in formula II ene hybrid materials.
[0076] The present invention mixes acid-chlorinated graphene oxide with a platinum complex (Pt-1) having the structure shown in formula I, dimethylformamide and triethylamine, ...
Embodiment 1
[0163] Synthesis of 4,6-diphenyl-2,2'-bipyridine platinum chloride complex
[0164] 4,6-diphenyl-2,2'-bipyridine (85.0mg, 0.28mmol), potassium tetrachloroplatinate (106mg, 0.26mmol), acetonitrile (10mL) and water (10mL) were added to 50mL three ports In the flask, stir and reflux for 48 hours, the stirring rate is 500r / min, and the reflux reaction temperature is 90°C. Filter, wash with acetonitrile / water, and dry to obtain 119 mg of orange powder (4,6-diphenyl-2,2'-bipyridine platinum chloride complex), with a yield of 87%.
[0165] Synthesis of Pt-1
[0166] In a 100mL three-necked flask, add 4,6-diphenyl-2,2'-bipyridine platinum chloride complex (0.54g, 1mmol, 1.0equiv.), p-aminophenylacetylene (1.1mmol, 1.1equiv.), N,N-Diisopropylethylamine (0.45g, 3.5mmol, 3.5equiv.), CuI (19mg, 10mol%) and dichloromethane (30mL) were reacted in a nitrogen atmosphere with tin foil in the dark for 48h. After the reaction was completed, water was added to quench the reaction, and the resu...
Embodiment 2
[0183] Preparation of Optical Limiting Films
[0184] The graphene oxide hybrid material functionalized with platinum complexes prepared in Example 1 was prepared into a thin film. The specific steps are as follows: Weigh 1g of acrylic modified silicone resin, add 0.2g of toluene as diluent, 0.1g of dodecyl alcohol ester as film-forming aid, 0.05g of BYK-310 as leveling agent, 0.1g of N -75 is the curing agent, 0.05g BYK-163 is the dispersant, 0.05g GO-Pt-1 and 0.05g GO-Pt-2, after stirring for 30min until there are no bubbles in the system, the obtained solution is used to prepare a thin film by leveling method, first at room temperature curing for 5 hours, and then curing at 180° C. for 24 hours to obtain the optical limiting performance film.
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