A preparation method of counter electrode material for quantum dot sensitized solar cell
A technology for sensitization of solar cells and quantum dots, which can be used in nanotechnology, photosensitive devices, electrolytic capacitors, etc. for materials and surface science. The effect of excellent electrochemical performance, simple preparation method and low cost
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Embodiment 1
[0027] Combine 0.35g methyl orange (MO) and 3g FeCl 3 ·6H 2 O was dissolved in 300 mL of deionized water, and then 0.7 g of pyrrole monomer was added to the above aqueous solution and stirred at room temperature for 18 hours to prepare methyl orange (MO) doped polypyrrole (PPy) nanotubes; the synthesized methyl orange was mixed The hybrid polypyrrole nanotubes are washed with deionized water and ethanol; the washed methyl orange-doped polypyrrole nanotubes are dried in a vacuum oven at 60°C; the dried methyl orange-doped polypyrrole nanotubes are 3g with KOH 3g (by weight ratio 1:1) is mixed uniformly, then the nanotube / KOH mixture is put into the muffle furnace, 2 Under protection, heat up to 800℃, heat treatment for 3h; heating rate is 10℃ / min; after cooling to room temperature, wash with 1mol / L HCl and deionized water to remove inorganic salt impurities; clean the sample in a vacuum oven at 80℃ Drying to obtain interconnected nitrogen / sulfur co-doped porous carbon nanosheets....
Embodiment 2
[0029] Mix 0.65g of methyl orange and 6g of FeCl 3 ·6H 2 O was dissolved in 300 mL of deionized water, then 1.4 g of pyrrole monomer was added to the above aqueous solution and stirred at room temperature for 24 hours to prepare MO-doped PPy nanotubes; the synthesized MO-doped PPy nanotubes were washed with deionized water and ethanol; The cleaned MO-doped PPy nanotubes are dried in a vacuum oven at 60°C; the dried MO-doped PPy nanotubes and KOH are mixed uniformly in a weight ratio of 1:3, and then the MO-doped PPy nanotubes / KOH mixture is placed Into the muffle furnace, at N 2 Under protection, heat up to 600℃, heat treatment for 1h; heating rate is 3℃ / min; after cooling to room temperature, wash with 1M HCl and deionized water to remove inorganic salt impurities; clean samples are dried in 80℃ vacuum oven ; Preparation of interconnected nitrogen / sulfur co-doped porous carbon nanosheets.
Embodiment 3
[0031] Combine 0.5g methyl orange (MO) and 3.9g FeCl 3 ·6H 2 O was dissolved in 300mL deionized water, then 1g of pyrrole monomer was added to the above aqueous solution, stirred at room temperature for 20h to prepare MO-doped PPy nanotubes; the synthesized MO-doped PPy nanotubes were washed with deionized water and ethanol; The cleaned MO-doped PPy nanotubes are dried in a vacuum oven at 60℃; the dried MO-doped PPy nanotubes and KOH are mixed uniformly in a weight ratio of 1:2, and then the MO-doped PPy nanotubes / KOH mixture is put into In the muffle furnace, in N 2 Under protection, heat up to 700℃, heat treatment for 2h; heating rate is 5℃ / min; after cooling to room temperature, wash with 1M HCl and deionized water to remove inorganic salt impurities; clean samples are dried in 80℃ vacuum oven , Preparation of interconnected nitrogen / sulfur co-doped porous carbon nanosheets. The nanosheet uses scanning electron microscope, transmission electron microscope, N 2 Adsorption, X-...
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