Abstract
The effect of X-ray irradiation on the optical absorption spectra of CdSe1−xTex nanocrystals embedded in a borosilicate matrix is studied. The observed blue shift of the absorption edge and bleaching of the confinement-related features in the spectra are related to X-ray induced negative ionization of the nanocrystals with charge transfer across the nanocrystal/matrix interface. The radiation-induced changes are observed to recover after longer post-irradiation storage at room temperature.
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Schedule a callMore From: Radiation physics and chemistry (Oxford, England : 1993)
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