Multicolored silica coated CdSe core/shell quantum dots

Valentina V. Goftman; Alexey V. Markin; Sarah De Saeger; Irina Yu. Goryacheva

doi:10.1117/12.2225212

21 April 2016 Multicolored silica coated CdSe core/shell quantum dots

Valentina V. Goftman, Alexey V. Markin, Sarah De Saeger, Irina Yu. Goryacheva

Proceedings Volume 9917, Saratov Fall Meeting 2015: Third International Symposium on Optics and Biophotonics and Seventh Finnish-Russian Photonics and Laser Symposium (PALS); 991716 (2016) https://doi.org/10.1117/12.2225212
Event: Saratov Fall Meeting 2015, 2015, Saratov, Russian Federation

Abstract

Silanization is a convenient route to provide water-solubility to the quantum dots (QDs) with different structure. Green, orange and red emitting CdSe-based QDs were synthesized by varying of number and material of wider-band gap shells and fluorescent properties of QDs were characterized before and after silanization. It was shown that structure of the QD influences on the quantum yield of the silanized QDs: the better CdSe core is protected with wider-band gap semiconductor shells, the more fluorescence properties remain after silica coated QD possess. Hence silica coated QDs have a great perspectives for the multiplex analysis.

Citation Download Citation

Valentina V. Goftman, Alexey V. Markin, Sarah De Saeger, and Irina Yu. Goryacheva "Multicolored silica coated CdSe core/shell quantum dots", Proc. SPIE 9917, Saratov Fall Meeting 2015: Third International Symposium on Optics and Biophotonics and Seventh Finnish-Russian Photonics and Laser Symposium (PALS), 991716 (21 April 2016); https://doi.org/10.1117/12.2225212

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