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Nanocrystalline SnO2 by liquid pyrolisis
Cerdà Belmonte, Judith; Cirera Hernández, Albert; Vilà i Arbonès, Anna Maria; Díaz Delgado, Raül; Cornet i Calveras, Albert; Morante i Lleonart, Joan Ramon
Universitat de Barcelona
Liquid pyrolysis is presented as a new production method of SnO2 nanocrystalline powders suitable for gas sensor devices. The method is based on a pyrolytic reaction of high tensioned stressed drops of an organic solution of SnCl4·5(H2O). The main advantages of the method are its capability to produce SnO2 nanopowders with high stability, its accurate control over the grain size and other structural characteristics, its high level of repeatability and its low industrialization implementation cost. The characterization of samples of SnO2 nanoparticles obtained by liquid pyrolysis in the range between 200ºC and 900ºC processing temperature is carried out by X-ray diffraction, transmission electron microscopy, Raman and X-ray photoelectron spectroscopy. Results are analyzed and discussed so as to validate the advantages of the liquid pyrolysis method.
06-09-2012
Nanocristalls semiconductors
Piròlisi
Semiconductor nanocrystals
Pyrolysis
cc-by-nc (c) Consejo Superior de Investigaciones Científicas (CSIC). Sociedad Española d, 2000
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Artículo
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Consejo Superior de Investigaciones Científicas (CSIC)
         

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