Cathodoluminescence emission study of nanostructured SnO2 films deposited by spray pyrolysis
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KOROTCHENKOV, Ghenadii, HAN, Sang Do, NAZAROV, Michael V., NOH, Do Young. Cathodoluminescence emission study of nanostructured SnO2 films deposited by spray pyrolysis. In: Moldavian Journal of the Physical Sciences, 2008, nr. 1(7), pp. 48-54. ISSN 1810-648X.
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Moldavian Journal of the Physical Sciences
Numărul 1(7) / 2008 / ISSN 1810-648X /ISSNe 2537-6365

Cathodoluminescence emission study of nanostructured SnO2 films deposited by spray pyrolysis


Pag. 48-54

Korotchenkov Ghenadii1, Han Sang Do2, Nazarov Michael V.3, Noh Do Young4
 
1 Technical University of Moldova,
2 Korea Institute of Industrial Technology,
3 Institute of the Electronic Engineering and Nanotechnologies "D. Ghitu" of the Academy of Sciences of Moldova,
4 Gwangju Institute of Science and Technology, Gwangju
 
 
Disponibil în IBN: 26 noiembrie 2013


Rezumat

In this paper the results of cathodoluminescence (CL) emission study of undoped and doped SnO films are discussed. SnO films were deposited by spray pyrolysis method. It was shown that the study of CL emission is effective method for structural characterization of metal oxides aimed to gas sensor applications. It was concluded that the changes taking place in CL spectra are connected with the change of both the grain size and the crystallinity (stoichiometry) of the surface layer and the bulk of SnO . The shape of CL spectra depends on correlation between well-crystallized core and disordered surface layer. It was found that doping is accompanied by deterioration of film crystallinity and the growth of concentration of structural defects responsible for unradiative recombination of excited electrons and holes.

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<dc:creator>Korotcenkov, G.S.</dc:creator>
<dc:creator>Han, S.</dc:creator>
<dc:creator>Nazarov, M.V.</dc:creator>
<dc:creator>Noh, D.</dc:creator>
<dc:date>2008-02-05</dc:date>
<dc:description xml:lang='en'>In this paper the results of cathodoluminescence (CL) emission study of undoped and 

doped SnO  films are discussed. SnO  films were deposited by spray pyrolysis method. It was 
shown that the study of CL emission is effective method for structural characterization of 
metal oxides aimed to gas sensor applications. It was concluded that the changes taking place 
in CL spectra are connected with the change of both the grain size and the crystallinity (stoichiometry) of the surface layer and the bulk of SnO . The shape of CL spectra depends 
on correlation between well-crystallized core and disordered surface layer. It was found that 
doping is accompanied by deterioration of film crystallinity and the growth of concentration 
of structural defects responsible for unradiative recombination of excited electrons and holes.  </dc:description>
<dc:source>Moldavian Journal of the Physical Sciences 7 (1) 48-54</dc:source>
<dc:title>Cathodoluminescence emission study of nanostructured SnO2 films deposited by spray pyrolysis</dc:title>
<dc:type>info:eu-repo/semantics/article</dc:type>
</oai_dc:dc>