Journal of Physical Chemistry B, volume 108, issue 19, pages 5905-5908

Efficient UV-Blue Photoluminescing Thiol-Stabilized Water-Soluble Alloyed ZnSe(S) Nanocrystals

Publication typeJournal Article
Publication date2004-04-16
scimago Q1
SJR0.760
CiteScore5.8
Impact factor2.8
ISSN15206106, 15205207, 10895647
Materials Chemistry
Surfaces, Coatings and Films
Physical and Theoretical Chemistry
Abstract
The aqueous synthesis and post-preparative treatment of thiol-stabilized ZnSe colloidal nanocrystals (2−3 nm in size) have been studied. The post-preparative irradiation of the nanoparticles improves their luminescence properties leading to strong (up to 25−30% photoluminescence quantum yield) band gap UV-blue emission. The irradiation results in an incorporation of sulfur into the particles and in the formation of ZnSe(S) alloyed nanocrystals. The ZnSe(S) nanocrystals obtained were used for the fabrication of UV-blue-emitting layer-by-layer assembled films with a PL maximum at ca. 390 nm.

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