Phase Transformation of Metastable ZnSnO3 Upon Thermal Decomposition by In-Situ Temperature-Dependent Raman Spectroscopy

Tanujjal Bora, Muna H. Al-Hinai, Ashraf T. Al-Hinai, Joydeep Dutta

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Temperature-dependent in-situ Raman spectroscopy is used to investigate the phase transformation of zinc metastannate (ZnSnO3) to zinc orthostannate (Zn2SnO4) induced upon annealing in the ambient. ZnSnO3 microcubes (MCs) were synthesized at room temperature using a simple aqueous synthesis process, followed by characterization using electron microscopy, X-ray diffraction (XRD), Fourier transform infrared (FTIR) spectroscopy, and thermogravimetric analysis (TGA). Annealing of the ZnSnO3 MCs was carried out up to 1000°C, while recording the Raman spectra in-situ at regular intervals. Phase transformation from metastannate to orthostannate was found to begin around 500°C with an activation energy of ∼0.965 eV followed by the recrystallization into the inverse spinel orthostannate phase at ∼750°C. Results from this study provide detailed understanding of the phase transformation behavior of perovskite ZnSnO3 to inverse spinel Zn2SnO4 upon thermal annealing.

Original languageEnglish
Pages (from-to)4044-4049
Number of pages6
JournalJournal of the American Ceramic Society
Volume98
Issue number12
DOIs
Publication statusPublished - Dec 1 2015

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Raman spectroscopy
Pyrolysis
Phase transitions
Annealing
Zinc
Perovskite
Temperature
Electron microscopy
Fourier transform infrared spectroscopy
Thermogravimetric analysis
Raman scattering
Activation energy
X ray diffraction
spinell
Hot Temperature
perovskite

ASJC Scopus subject areas

  • Ceramics and Composites
  • Materials Chemistry

Cite this

Phase Transformation of Metastable ZnSnO3 Upon Thermal Decomposition by In-Situ Temperature-Dependent Raman Spectroscopy. / Bora, Tanujjal; Al-Hinai, Muna H.; Al-Hinai, Ashraf T.; Dutta, Joydeep.

In: Journal of the American Ceramic Society, Vol. 98, No. 12, 01.12.2015, p. 4044-4049.

Research output: Contribution to journalArticle

Bora, Tanujjal ; Al-Hinai, Muna H. ; Al-Hinai, Ashraf T. ; Dutta, Joydeep. / Phase Transformation of Metastable ZnSnO3 Upon Thermal Decomposition by In-Situ Temperature-Dependent Raman Spectroscopy. In: Journal of the American Ceramic Society. 2015 ; Vol. 98, No. 12. pp. 4044-4049.
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