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[½»Á÷] Surface ion engineering for tuning dual emission of ZnxCd1−xS nanocrystals

Oleate capped Zn doped CdS (ZnxCd1-xS) colloidal nanocrystal
exhibited dual emission, which was tunable by selective removal
of the cations, over its surface and in its immediate vicinity, using
cation exchange resin beads (CB). The near band gap emission
disappeared more rapidly in comparison to deep level emission,
the peak wavelength of which shifted by as much as 25 nm, while
both exhibited increasingly faster decay.
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  • ¸½¼þ 1 : c2ra22447j.pdf
  • 2013-02-05 22:49:25, 477.85 K
  • ¸½¼þ 2 : c2ra22447j1.pdf
  • 2013-02-05 22:50:57, 1.2 M

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