Porous self-supporting PEDOT: PSS conductive film and preparation method thereof
A conductive film, self-supporting technology, applied in the manufacture of hybrid/electric double layer capacitors, hybrid capacitor electrodes, etc., can solve problems such as restricting applications, and achieve the effect of simple and feasible solution, high conductivity, and broad application prospects
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Embodiment 1
[0034] A kind of preparation method of porous self-supporting PEDOT:PSS conductive film, comprises the steps:
[0035] (1) Take 1mg of SiO with a diameter of 100-300nm 2 Nanoparticles were dispersed in 2mL deionized water, stirred and dispersed evenly to obtain SiO 2 Dispersions;
[0036] (2) Select PH1000 as the PEDOT:PSS aqueous solution, take 20 μL of SiO 2 Add the dispersion to 1mL PEDOT:PSS aqueous solution, stir for 24h to obtain PEDOT:PSS / SiO 2 Dispersions;
[0037] (3) Drop the above solution into 20mL of dilute sulfuric acid with a concentration of 1mol / L, observe flake-like precipitates, filter with a dust-free cloth to obtain PEDOT:PSS / SiO 2 flaky precipitates;
[0038] (4) The above PEDOT:PSS / SiO 2 Add 20mL of deionized water and stir evenly to obtain PEDOT:PSS / SiO 2 colloid;
[0039] (5) Vacuum filter the above colloid with a cellulose ester microporous filter membrane with a pore size of 0.45 μm, put it in an oven, dry it at 70°C for 30 minutes, and then ...
Embodiment 2
[0043] A kind of preparation method of porous self-supporting PEDOT:PSS conductive film, comprises the steps:
[0044] (1) Take 1.5mg of SiO with a diameter of 100-300nm 2 Nanoparticles were dispersed in 2mL deionized water, stirred and dispersed evenly to obtain SiO 2 Dispersions;
[0045] (2) Select PH1000 as the PEDOT:PSS aqueous solution, take 100 μL of SiO 2Add the dispersion to 1m LPEDOT:PSS aqueous solution, stir for 24h to obtain PEDOT:PSS / SiO 2 Dispersions;
[0046] (3) Drop the above solution into 20mL of dilute sulfuric acid with a concentration of 1mol / L, observe that there is a flake precipitate, filter it with a dust-free cloth, and obtain a flake PEDOT:PSS / SiO 2 ;
[0047] (4) Add the above flakes into 20mL deionized water and stir evenly to obtain PEDOT:PSS / SiO 2 colloid;
[0048] (5) Vacuum filter the above colloidal solution with a cellulose ester microporous filter membrane with a pore size of 0.45 μm, put it in an oven, dry at 70°C for 30 minutes, th...
Embodiment 3
[0052] A kind of preparation method of porous self-supporting PEDOT:PSS conductive film, comprises the steps:
[0053] (1) Take 0.1mg of SiO with a diameter of 100-300nm 2 Nanoparticles were dispersed in 2mL deionized water, stirred and dispersed evenly to obtain SiO 2 Dispersions;
[0054] (2) Select PH1000 as the PEDOT:PSS aqueous solution, take 50 μL of SiO 2 The dispersion liquid was added to 1mL PEDOT:PSS aqueous solution, stirred for 24h to obtain PEDOT:PSS / SiO 2 Dispersions;
[0055] (3) Add the above solution dropwise into 20mL of dilute sulfuric acid with a concentration of 1mol / L, observe that there is flake precipitation, filter it with a dust-free cloth, and obtain the flake PEDOT:PSS / SiO 2 ;
[0056] (4) Add the above flakes into 20mL deionized water and stir evenly to obtain PEDOT:PSS / SiO 2 colloid;
[0057] (5) Vacuum filter the above colloidal solution with a cellulose ester microporous filter membrane with a pore size of 0.45 μm, put it in an oven, dry ...
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