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|Title:||Synthesis of new bis(2,4-pentanedionato)zirconium(IV) aryloxides and their thermal studies|
|Authors:||Bhat, S S|
Chaudhry, S C
|IPC Code:||InI.Cl.7 C01G 25/02|
|Abstract:||Bis(2,4-pentanedionato)zirconium(IV) aryloxides with the composition ZrCl2-n (aeac)2(OAr-X)n (where n = 1 or 2; acac =2,4-pentanedionato anion; OAr-X = OC6H3Cl2-2,6; OC6H3Cl2-2,4 and OC6H2Cl3-2,4,6) have been Synthesised by reacting ZrCl2(acac)2 and Me3SiOAr-X in predetermined molar ratios in toluene under reflux. These complexes have been characterized by physico-chemical techniques such as elemental analysis, IR, 1H NMR, TGA/DTA, moleular weight determinations and molar conductance measurements. The mechanism and kinetic parameters (ΔE* and A) of non-isothermal decomposition have been evaluated from TG curves of the complexes using Coats-Redfern equation. A considerable decrease in the FDTs of the complexes in the TG curves indicate then potential use as precursors in making thin films of ZrO2.|
|Appears in Collections:||IJC-A Vol.43A(04) [April 2004]|
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