Sub-nanosecond excitonic luminescence in ZnO:In nanocrystals
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Author
Grigorjeva, Larisa
Grube, Jurgis
Bite, Ivita
Zolotarjovs, Aleksejs
Smits, Krisjanis
Millers, Donats
Rodnyi, Piotr
Chernenko, Kirill
Date
2019Metadata
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The effects of indium concentration influence on the morphology, luminescence spectra and luminescence decay kinetics of ZnO:In nanocrystals prepared by the solar physical vapour deposition method are investigated. While undoped ZnO nanocrystals exhibit tetrapod-like morphology, with increasing indium concentration the tetrapods are transformed into particles whose average size decreases with increasing indium concentration. The results of time-resolved luminescence studies of undoped and indium doped ZnO nanocrystals showed that by increasing indium concentration the decay time falls and luminescence intensity decreases.