2081-12-1

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ZIRCONIUM t-BUTOXIDE

Product Code: AKZ946

Cas No: 2081-12-1

R&D quantities:

25 g
$396.00
5 g
$99.00
CVD Material

The growth of thin films via chemical vapor deposition (CVD) is an industrially significant process with a wide array of applications, notably in microelectronic device fabrication. A volatilized precursor (such as a silane, organometallic or metal coordination complex) is passed over a heated substrate. Thermal decomposition of the precursor produces a thin-film deposit, and ideally, the ligands associated with the precursor are cleanly lost to the gas phase as reaction products. Compared to other thin-film production techniques, CVD offers several significant advantages, most notably the potential for effecting selective deposition and lower processing temperatures. Many metal CVD depositions are autocatalytic. Growth of such thin films is characterized by an induction period, which is a consequence of the higher barriers that relate to the activation of the precursor on a non-native substrate. CVD is the preferred deposition method for fabricating optical storage, as it is a well-established method with good scalability, reproducibility, and uniformity. It is also capable of high rates and good composition control.

Zirconium t-butoxide; Tetra-t-butylzirconate
  • Vapor pressure, 26 °C: 0.06 mm
  • Vapor pressure, 52 °C: 0.46 mm
  • Vapor pressure, 75 °C: 2.20 mm
  • Vapor pressure, 102 °C: 9.46 mm
  • Color: straw to light amber
  • Employed in CVD ZrO
  • Couples carboxylic acids to aluminum (native oxide) surfaces
  • Reagent for preparation of tin(II) and lead(II) heterometallic alkoxides
  • Key component of catalyst for the enantioselective reaction of enol silyl ethers with aldimines
  • Boiling Point: 70° / 2

    Melting Point: 2-3°

    Molecular Weight: 383.68

    Specific Gravity: 0.96

    Flashpoint: 85°C (185°F)

    HMIS Key: 2-2-1-X

    Hydrolytic Sensitivity: 7: reacts slowly with moisture/water

    Formula: C16H36O4Zr

    Application: Employed in CVD of ZrO2.1
    Couples carboxylic acids to aluminum (native oxide) surfaces.2
    Reagent for preparation of tin(ll) and lead(ll) heterometallic alkoxides.3
    Key component of catalyst for the enantioselective reaction of enol silyl ethers with aldimines.4

    Reference: 1. Gould, B. et al. J. Mater. Chem. 1994, 4, 1815.
    2. Aronoff, Y. et al. J. Am. Chem. Soc. 1997, 119, 259.
    3. Teff, D. et al. Inorg. Chem. 1996, 35, 2981.
    4. Ishitani, H. et al. J. Am. Chem. Soc. 2000, 122, 8180.

    Additional Properties: Vapor pressure, 102°: 9.46 mm
    ?Hvap: 14.8 kcal/mole
    Decomposes >100°
    Vapor pressure, 26°: 0.06 mm
    Vapor pressure, 52°: 0.46 mm
    Vapor pressure, 75°: 2.20 mm