Pd-heterocyclic aromatic hydrocarbons Schiff base electrochemically polymerized-self-assembled-doped thin film and preparation method thereof
A technology of heterocyclic aromatic hydrocarbons and Schiff bases, applied in the field of heterogeneous catalysts, can solve the problems of poor circulation and stability of catalytic membranes, low catalytic yield of catalytic membranes, etc., and achieve enhanced catalytic activity and recycling ability, orderly arrangement, The effect of structural stability
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Embodiment 1
[0061] The Pd-heterocyclic aromatic hydrocarbon Schiff base electrochemical polymerization-self-assembly-doped film provided by the present invention is a compound of the following formula; wherein 0<n≤10, n is an integer;
[0062]
[0063] Among them, R 1 = S, N, O; R 2 = S, R 3 = CHO, COCH 3 , H, CH 2 Br, CH 3 , CH 2 CH 3 , (CH 2 ) 5 CH 3 , (CH 2 ) 7 CH 3 , OCH 3 , Br; R 2 = N, R 3 = CHO, C 3 h 6 , NH 2 , H, CH 3 , Br; R 2 =O, R 3 = CHO, H, CH 2 Br, CH 3 , OCH 3 , Br; heterocyclic aromatic hydrocarbons for electrochemical doping can also be
[0064] The preparation method of Pd-heterocyclic aromatic hydrocarbon Schiff base electrochemical polymerization-self-assembly-doped film comprises the following specific steps:
[0065] a. Hydrophilic treatment of the substrate: ITO conductive glass is ultrasonically treated in acetone, ethanol and deionized water for 15-30 minutes, and then heated in an alkaline cleaning solution at 40-60°C for 0.5-2 hour...
Embodiment 2
[0084] The preparation method of the Pd-heterocyclic aromatic hydrocarbon Schiff base electrochemical polymerization-self-assembly-doped film in this example is as follows:
[0085] a. Hydrophilic treatment of the substrate: ITO conductive glass was ultrasonically treated in acetone, ethanol and deionized water for 15 minutes, and then heated in an alkaline cleaning solution at 40°C for 0.5 hours to generate silanol groups on the surface of the substrate. Rinse with secondary deionized water while hot, and dry;
[0086] b. Silanization of the hydrophilic substrate: the hydrophilic treated substrate (1×2.5cm 2 ), 3-aminopropyltriethoxysilane (1.0mmol) and anhydrous toluene (10mL) were respectively added into a round bottom flask, heated to 65°C in an oil bath, reacted at constant temperature for 18 hours, and cooled to room temperature after the reaction was completed. Take out the silanized substrate, wash it twice with toluene, acetone, ethanol and water in turn, if it is no...
Embodiment 3
[0097] The preparation method of the Pd-heterocyclic aromatic hydrocarbon Schiff base electrochemical polymerization-self-assembly-doped film in this example is as follows:
[0098] a. Hydrophilic treatment of the substrate: ITO conductive glass was ultrasonically treated in acetone, ethanol and deionized water for 16 minutes, and then heated in an alkaline cleaning solution at 41°C for 0.6 hours to generate silanol groups on the surface of the substrate. Rinse with secondary deionized water while hot, and dry;
[0099] b. Silanization of the hydrophilic substrate: the hydrophilic treated substrate (1×2.5cm 2 ), 3-aminopropyltriethoxysilane (1.1mmol) and absolute ethanol (11mL) were respectively added into a round bottom flask, heated to 66°C in an oil bath, and reacted at a constant temperature for 19 hours, and cooled to room temperature after the reaction was completed. Take out the silanized substrate, rinse it with ethyl acetate, petroleum ether, ethanol and water three ...
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