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RESEARCH PRODUCT

Luminescence of ZnO nanopowders

Tomasz StrachowskiDonāts MillersLarisa GrigorjevaWitold ŁOjkowski

subject

Range (particle radiation)RadiationMaterials scienceNanocrystalExcitonAnalytical chemistrySinteringElectronLuminescenceInstrumentationSpectral lineExcitation

description

Abstract The luminescence of ZnO nanocrystals prepared by different methods was studied under pulsed electron beam excitation. It is shown that the luminescence intensity depends on the nanocrystal sintering conditions and does not depend on the nanocrystal size within the range 10–50 nm. The relative luminescence intensities for the 3.32 eV (free exciton) and ∼3.20 eV (bound exciton) bands showed a dependence on nanocrystal size. The role of the nanocrystal surface in excitonic luminescence is discussed.

yearjournalcountryeditionlanguage
2004-08-01Radiation Measurements
https://doi.org/10.1016/j.radmeas.2004.05.001