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ChemInform Abstract: Bright UV-Blue Luminescent Colloidal ZnSe Nanocrystals.

✍ Scribed by M. A. HINES; P. GUYOT-SIONNEST

Publisher
John Wiley and Sons
Year
2010
Weight
30 KB
Volume
29
Category
Article
ISSN
0931-7597

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✦ Synopsis

Bright UV-Blue Luminescent Colloidal ZnSe Nanocrystals.

-Relatively monodisperse, highly luminescent zinc blende ZnSe nanocrystals are prepared from Et 2 Zn and Se shot in a hexadecylamine/trioctylphosphine coordination solvent. The controlled growth process affords tunable sample sizes. Pure band-edge fluorescence size-tunable between 2.8 and 3.4 eV is obtained at room temp. with quantum yields between 20% and 50% relative to stilbene 420. From the powder XRD patterns it is indicated that the ZnSe nanocrystals are cubic as expected from the bulk structure. -(HINES, M. A.;

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