Cellular glass containing iron nano particles and preparation method thereof
A technology of porous glass and nanoparticles, which is applied in the field of porous glass containing iron nanoparticles and its preparation, can solve the problems of long production cycle, uneven dispersion of metal nanoparticles, complex process, etc., and achieve uniform distribution, short preparation cycle, The effect of simple process
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Embodiment 1
[0021] Example 1: Dissolve ferric nitrate in water at room temperature to prepare 10 mL of ferric nitrate aqueous solution with a concentration of 1 mol / L; soak the porous glass in the ferric nitrate aqueous solution for 0.5 h, take out the porous glass, and rinse it with distilled water for 3 times , and dried in an oven at 80°C for 2 hours; then put the porous glass into a tube furnace, put CO gas into the tube furnace, start heating up to 200°C at a rate of 2°C / min, and keep it warm for 3 hours, then Cool to room temperature to prepare porous glass containing iron nanoparticles.
Embodiment 2
[0022] Embodiment 2: Under room temperature environment, ferric nitrate is dissolved in water, and preparation concentration is 1 * 10 -1 mol / L ferric nitrate aqueous solution 10mL; soak the porous glass in the ferric nitrate aqueous solution for 1 hour, take out the porous glass, rinse it with distilled water for 3 times, and dry it in an oven at 90°C for 2 hours; then put the porous glass into the tube furnace In the tube furnace, H was introduced into 2 Gas, start to heat up to 150°C at a rate of 3°C / min, keep it warm for 5h, and then cool to room temperature to prepare porous glass containing iron nanoparticles.
Embodiment 3
[0023] Embodiment 3: Under room temperature environment, ferric chloride is dissolved in water, preparation concentration is 1 * 10 -2 mol / L ferric chloride aqueous solution 10mL; soak the porous glass in the ferric chloride aqueous solution for 1h, take out the porous glass, rinse it with distilled water for 3 times, and dry it in an oven at 100℃ for 2h; then put the porous glass into the tube In the tube furnace, N was introduced into the tube furnace 2 and H 2 The mixed gas with a volume ratio of 95:5 was initially heated to 500°C at a rate of 3°C / min, kept at a temperature of 2h, and then cooled to room temperature to prepare porous glass containing iron nanoparticles.
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Abstract
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