Method for synthesizing tantalum-based nitride (nitrogen oxide) nanoparticles, and nanoparticles thereof
A nanoparticle, tantalum-based nitrogen technology, applied in the field of nanomaterials, can solve the problems of difficult raw materials, difficult to achieve industrialization, long reaction time, etc., achieve product quality and high yield, good application and industrialization prospects, and breakthrough safety. Effects of pitfalls and limitations
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[0042] Example 1
[0043] 0.25g TaCl 5 (0.7mM) was dissolved in 2mL of methanol, and then 0.103g of strontium chloride (0.65mM) was added. After dissolution, 0.084g of urea (1.4mM) was added, and the mixture was stirred at room temperature for 4h to gel. It was calcined at 700°C in a nitrogen stream for 5 hours, and the obtained product was treated with 1 mol / L hydrochloric acid and stirred at room temperature for 48 hours. The obtained product was washed several times with ethanol, filtered with suction, and dried at 50°C. Tantalum oxynitride nanoparticles A (TaON) were obtained.
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[0044] Example 2
[0045] 0.25g TaCl 5 (0.7mM) was dissolved in 2mL of methanol, and then 0.103g of strontium chloride (0.65mM) was added. After dissolution, 0.294g of urea (4.9mM) was added, and the mixture was stirred at room temperature for 4h to gel. It was calcined at 700°C in a nitrogen stream for 5 hours, and the obtained product was treated with 1 mol / L hydrochloric acid and stirred at room temperature for 48 hours. The obtained product was washed several times with ethanol, filtered with suction, and dried at 50°C. Obtained tantalum pentanitride nanoparticles B (Ta 3 N 5 ).
Example Embodiment
[0046] Example 3
[0047] 0.25g TaCl 5 (0.7mM) was dissolved in 2mL of methanol, and then 0.103g of strontium chloride (0.65mM) was added. After dissolution, 0.084g of urea (1.4mM) was added, and the mixture was stirred at room temperature for 4h to gel. It was calcined at 700° C. for 5 hours in an argon stream, and the resulting product was treated with 1 mol / L hydrochloric acid and stirred at room temperature for 48 hours. The obtained product was washed several times with ethanol, filtered with suction, and dried at 50°C. The tantalum oxynitride nanoparticles C (TaON) were obtained.
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