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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 30, Number 1
BKCSDE 30(1)
January 20, 2009

Title	Sonochemical Synthesis, Thermal Studies and X-ray Structure of Precursor [Zr(acac)₃(H₂O)₂]Cl for Deposition of Thin Film of ZrO₂ by Ultrasonic Aerosol Assisted Chemical Vapour Deposition
Author	Muzammil Hussain, Muhammad Mazhar*, Muhammad Khawar Rauf, Masahiro Ebihara, Tajammal Hussain
Keywords	Zirconium oxide, Thin film, Energy band gap, SEM, Single crystal X-ray analysis
Abstract	A new precursor [Zr(acac)₃(H₂O)₂]Cl was synthesized by Sonochemical technique and used to deposit thin ZrO₂ film on quartz and ceramic substrate via ultrasonic aerosol assisted chemical vapour deposition (UAACVD) at 300 °C in oxygen environment followed by annealing of the sample for 2-3 minutes at 500 °C in nitrogen ambient. The molecular structure of the precursor determined by single crystal X-ray analysis revealed that the molecules are linked through intermolecular hydrogen bonds forming pseudo six and eight membered rings. DSC and TGA/FTIR techniques were used to determine thermal behavior and decomposition temperature of the precursor and nature of evolved gas products. The optical measurement of annealed ZrO2 film with tetragonal phase shows optical energy band gap of 5.01 eV. The particle size, morphology, surface structure and composition of deposited films were investigated by XRD, SEM and EDX.
Page	92 - 96
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