Effect of the tin impurity on the energy spectrum and photoelectric properties of nanostructured In2O3 filmsстатья
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Дата последнего поиска статьи во внешних источниках: 19 июня 2014 г.
Аннотация:Introduction of Sn impurity into colloidal In2O3 nanocrystals results in a blue shift of absorption edge in visible spectral range and appearance of significant absorption in infrared spectral range. The view of absorption and transmittance curves in infrared spectral range is inherent to the local plasmon resonance. Estimated value of free carries concentration in In2O3(Sn) reaches 1019 sm-3. Temperature dependencies of photoconductivity of nanostructured In2O3(Sn) films prove, that hopping is the main mechanism of charge transport in the temperature interval from 77 to 300 K. Possible mechanisms responsible for mentioned above effects are regarded.