Zirconium-Based Sol-Gel Precursor Synthesis

Example 11

A 100 mL amber glass vial was placed into a glass drying oven at 120° C. to remove the absorbed water. This vial was then charged with 20 mL of zirconium(IV) n-propoxide and between 4 mL and 10 mL of acetyl acetone, with stirring. An exothermic reaction takes place to yield a zirconium (IV) (isopropoxide)_n(acetyl acetonate)_msol-gel precursor. A sol-gel precursor that gave favorable results was zirconium (IV) (isopropoxide)_2.6(acetyl acetonate)_1.4, which was soluble within NMP.

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US11587696B2. Patterned nanoparticle structures (2023-02-21). University of Massachusetts [US]. Inventors: James Watkins [US], Michael R. Beaulieu [US], Nicholas R. Hendricks [US].

Patent 2023

Acetone Acetyl acetonate Amber Synthesis Zirconium

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Variable analysis

independent variables

Amount of acetyl acetone (between 4 mL and 10 mL)

dependent variables

Solubility of the zirconium (IV) (isopropoxide)n(acetyl acetonate)m sol-gel precursor within NMP

control variables

Volume of zirconium(IV) n-propoxide (20 mL)
Temperature of the glass drying oven (120° C)
Volume of the amber glass vial (100 mL)

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