Separating fluorescent species of aqueous PbS semiconductor nanocrystals using micro-emulsions

Colloidal PbS nanocrystals over-coated with CdS are prepared in aqueous solutions and exhibit strong photoluminescence with two distinct peaks in the visible regime. A photoluminescence peak is observed at 640 nm, which is attributed to the band edge recombination in the PbS nanocrystals, and anothe...

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Váldodahkkit: Warner, J, Watt, A, Fernee, M, Heckenberg, N, Rubinsztein-Dunlop, H
Materiálatiipa: Journal article
Giella:English
Almmustuhtton: 2005