Luminescence Spectra of Quantum-Sized CdS and PbI2 Particles in Static Electric Field
M.V. Artemyev
Physico-Chemical Problems Research Institute of Belorussian State University, Leningradskaya Str., 14 Minsk 220080, Belarus

G.P. Yablonski and Yu.P. Rakovich
Institute of Physics, Belorussian Academy of Sciences, F. Skoryna Ave., 68 Minsk 220072, Belarus
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The influence of external electric field was studied on the luminescence behavior of quantum-sized CdS and PbI2 nanocrystals, embedded in various polymeric films. The clear increase in the photoluminescence intensity from the quantum-sized particles was observed, as well as the spectral shift of photoluminescence bands. The mechanism proposed is based on the field-induced oxygen desorption from the nanocrystal surface which is the good photoluminescence inhibitor.
DOI: 10.12693/APhysPolA.87.523
PACS numbers: 68.10.Jy, 78.55.Hx