2012
DOI: 10.5012/bkcs.2012.33.1.194
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Influence of Thermal Annealing on the Microstructural Properties of Indium Tin Oxide Nanoparticles

Abstract: In this work, we studied the microstructural changes of ITO during the annealing process. ITO nanoparticles were prepared by the sol-gel method using indium tin hydroxide as the precursor. The prepared sample was investigated using TEM, powder XRD, XPS, DRIFT, and 2D correlation analysis. The O 1s XPS spectra suggested that the microstructural changes during the annealing process are closely correlated with the oxygen sites of the ITO nanoparticles. The temperature-dependent in situ DRIFT spectra suggested tha… Show more

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Cited by 8 publications
(3 citation statements)
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“…As shown in Figure A, there are several absorption bands below 1000 cm –1 assigned to the vibrations of SnO 2 lattice. The strong absorption bands around 1533 and 1421 cm –1 are attributed to the overtones of the asymmetric Sn–O–Sn modes, as observed in the in situ diffuse reflectance infrared Fourier transform spectroscopy (DRIFT) during the annealing process of ITO hydroxide precursor from 80 to 360 °C . The intensities of these two peaks increase with the increment of annealing temperature above 240 °C, where the hydroxide precursor starts to form ITO nanocrystals.…”
Section: Resultsmentioning
confidence: 77%
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“…As shown in Figure A, there are several absorption bands below 1000 cm –1 assigned to the vibrations of SnO 2 lattice. The strong absorption bands around 1533 and 1421 cm –1 are attributed to the overtones of the asymmetric Sn–O–Sn modes, as observed in the in situ diffuse reflectance infrared Fourier transform spectroscopy (DRIFT) during the annealing process of ITO hydroxide precursor from 80 to 360 °C . The intensities of these two peaks increase with the increment of annealing temperature above 240 °C, where the hydroxide precursor starts to form ITO nanocrystals.…”
Section: Resultsmentioning
confidence: 77%
“…The strong absorption bands around 1533 and 1421 cm −1 are attributed to the overtones of the asymmetric Sn−O−Sn modes, 42 as observed in the in situ diffuse reflectance infrared Fourier transform spectroscopy (DRIFT) during the annealing process of ITO hydroxide precursor from 80 to 360 °C. 43 The intensities of these two peaks increase with the increment of annealing temperature above 240 °C, where the hydroxide precursor starts to form ITO nanocrystals. The corresponding assignments are listed in Table 2 on the basis of reported references.…”
Section: ■ Results and Discussionmentioning
confidence: 98%
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