Preparation method of modified titanium carbide quantum dots based on multi-metal ion synergistic coordination
A precious metal ion, titanium carbide technology, applied in chemical instruments and methods, nanotechnology for materials and surface science, luminescent materials, etc., can solve problems such as low stability, insufficient utilization of metal ions, and difficulty in morphology control , to achieve the effect of improving the degree of dispersion, increasing the yield and simplifying the modification process
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Embodiment 1
[0031] 1 g of trifluoromethanesulfonic acid was mixed with 2 g of cupric chloride, the temperature was raised to 150° C., and the reaction was carried out for 30 min to obtain a deep eutectic solvent.
[0032] Mix 3g of deep eutectic solvent with 1.5g of titanium carbide powder, put it in a microwave reactor, set the frequency to 300MHz, react at 100°C for 28h, wash the obtained precipitate, and dry the obtained product at 60°C for 24h , an accordion-shaped titanium carbide powder with copper modification was prepared.
[0033] 0.1 g of chloroplatinic acid was mixed with 20 mL of acetone, the temperature was raised to 100 °C, and the reaction was carried out for 1 h. After cooling, the resulting liquid is collected to prepare a precious metal ion donating agent.
[0034] Under a nitrogen atmosphere, 1 g of the copper-modified accordion-shaped titanium carbide powder was mixed with 10 mL of dimethyl sulfoxide, then 20 mL of a precious metal ion provider was added, and the mixt...
Embodiment 2
[0043] Mix 1 g of trifluoroacetic acid with 1 g of cupric chloride, raise the temperature to 160° C., and react for 40 min to obtain a deep eutectic solvent.
[0044] Mix 2g of deep eutectic solvent with 1.3g of titanium carbide powder, put it in a microwave reactor, set the frequency to 400MHz, react at 70°C for 24h, wash the obtained precipitate, and dry the obtained product at 60°C for 48h , an accordion-shaped titanium carbide powder with copper modification was prepared.
[0045] 0.3 g of chloroauric acid was mixed with 30 mL of acetone, the temperature was raised to 110 °C, and the reaction was performed for 1 h. After cooling, the resulting liquid is collected to prepare a precious metal ion donating agent.
[0046] Under an argon atmosphere, 1 g of the copper-modified accordion-shaped titanium carbide powder was mixed with 15 mL of dimethyl sulfoxide, then 30 mL of a precious metal ion provider was added, and the mixture was stirred for 30 h. 4 mL of ammonia water wa...
Embodiment 3
[0055] 1 g of difluorobromoacetic acid was mixed with 1.5 g of cupric chloride, the temperature was raised to 170° C., and the reaction was carried out for 50 min to obtain a deep eutectic solvent.
[0056] Mix 2.5g of deep eutectic solvent with 1.6g of titanium carbide powder, put it in a microwave reactor, set the frequency to 460MHz, react at 50°C for 35h, wash the obtained precipitate, and dry the obtained product at 60°C 28h, the accordion-shaped titanium carbide powder with copper modification was obtained.
[0057] 0.3 g of palladium chloride was mixed with 30 mL of acetone, the temperature was raised to 120° C., and the reaction was carried out for 2 h. After cooling, the resulting liquid is collected to prepare a precious metal ion donating agent.
[0058] Under a helium atmosphere, 1.2 g of copper-modified accordion-shaped titanium carbide powder was mixed with 15 mL of tetrabutylammonium hydroxide, and then 30 mL of a precious metal ion provider was added, and the ...
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