Rapid synthesis of nanocrystalline SnO2 powders by microwave heating method
Nanocrystalline SnO2 powders of about 3 nm in size were prepared by a microwave irradiation heating technique from an aqueous solution in the presence of SnCl4 and urea. The particles were characterised by TEM, XRD, DSC, TG and reflectance spectra. A band gap is estimated to be 4.5 eV from the optic...
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Veröffentlicht in: | Materials letters 2002-03, Vol.53 (1-2), p.12-19 |
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Format: | Artikel |
Sprache: | eng |
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Zusammenfassung: | Nanocrystalline SnO2 powders of about 3 nm in size were prepared by a microwave irradiation heating technique from an aqueous solution in the presence of SnCl4 and urea. The particles were characterised by TEM, XRD, DSC, TG and reflectance spectra. A band gap is estimated to be 4.5 eV from the optical measurement of the nanoparticles. 47 refs. |
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ISSN: | 0167-577X 1873-4979 |
DOI: | 10.1016/s0167-577x(01)00445-1 |