Stability and fluorescence quantum yield of CdSe-ZnS quantum dots - Influence of the thickness of the ZnS shell

Annals of the New York Academy of Sciences

Volumn 1130, Issue , 2008, Pages 235-241

  Grabolle, Markus ^a   Ziegler, Jan ^b   Merkulov, Alexei ^c   Nann, Thomas ^b   Resch Genger, Ute ^a  

^a BAM FEDERAL INSTITUTE FOR MATERIALS RESEARCH AND TESTING   (Germany)

^b UNIVERSITY OF EAST ANGLIA   (United Kingdom)

^c UNIVERSITY OF FREIBURG   (Germany)

Author keywords

CdSe; CdSe ZnS; Fluorescence; Nanocrystal; Quantum dot; Quantum yield; Semiconductor; Shell; Stability; Stability test; ZnS shell

Indexed keywords

CADMIUM SELENIDE; QUANTUM DOT; THIOPHENOL; ZINC SULFIDE;

CONFERENCE PAPER; CORRELATION ANALYSIS; ENZYME STABILITY; ENZYME SYNTHESIS; FLUORESCENCE; LUMINESCENCE; PHOTOCHEMISTRY; QUANTUM YIELD; THICKNESS;

EID: 47249115685     PISSN: 00778923     EISSN: 17496632     Source Type: Book Series    
DOI: 10.1196/annals.1430.021     Document Type: Conference Paper

References (24)

1. Michalet, X. et al. 2005. Quantum dots for live cells, in vivo imaging, and diagnostics. Science 307 : 538 544.
2. Gao, X.H., W.C.W. Chan & S.M. Nie. 2002. Quantum-dot nanocrystals for ultrasensitive biological labeling and multicolor optical encoding. J. Biomed. Opt. 7 : 532 537.
3. Medintz, I.L. et al. 2005. Quantum dot bioconjugates for imaging, labelling and sensing. Nat. Mater. 4 : 435 446.
4. Gaponenko, S.V. 1998. Optical Properties of Semiconductor Nanocrystals. Cambridge University Press. Cambridge.
5. Alivisatos, A.P. 1996. Semiconductor clusters, nanocrystals, and quantum dots. Science 271 : 933 937.
6. Sapsford, K.E., L. Berti & I.L. Medintz. 2006. Materials for fluorescence resonance energy transfer analysis: beyond traditional donor-acceptor combinations. Angew. Chem. Int. Ed. Engl. 45 : 4562 4589.
7. Shaner, N.C., P.A. Steinbach & R.Y. Tsien. 2005. A guide to choosing fluorescent proteins. Nat. Methods 2 : 905 909.
8. Yu, W.W. et al. 2003. Experimental determination of the extinction coefficient of CdTe, CdSe, and CdS nanocrystals. Chem. Mater. 15 : 2854 2860.
9. Bailey, R.E., J.B. Strausburg & S. Nie. 2004. A new class of far-red and near-infrared biological labels based on alloyed semiconductor quantum dots. J. Nanosci. Nanotechnol. 4 : 569 574.
10. Jovin, T.M. 2003. Quantum dots finally come of age. Nat. Biotechnol. 21 : 32 33.
11. Wang, X. et al. 2003. Surface-related emission in highly luminescent CdSe quantum dots. Nano Lett. 3 : 1103 1106.
12. Dabbousi, B.O. et al. 1997. (CdSe)ZnS core-shell quantum dots: synthesis and characterization of a size series of highly luminescent nanocrystallites. J. Phys. Chem. B 101 : 9463 9475.
13. Baranov, A.V. et al. 2003. Effect of the ZnS shell thickness on the phonon spectra in CdSe quantum dots. Phys. Rev. B Condens. Matter 68 : 165306-1 165306-7.
14. Xie, R. et al. 2005. Synthesis and characterization of highly luminescent CdSe-core CdS/Zn0.5Cd0.5S/ZnS multishell nanocrystals. J. Am. Chem. Soc. 127 : 7480 7488.
15. Ziegler, J. et al. 2007. High-quality ZnS shells for CdSe nanoparticles: rapid microwave synthesis. Langmuir 23 : 7751 7759.
16. Gerbec, J.A. et al. 2005. Microwave-enhanced reaction rates for nanoparticle synthesis. J. Am. Chem. Soc. 127 : 15791 15800.
17. Larson, D.R. et al. 2003. Water-soluble quantum dots for multiphoton fluorescence imaging in vivo. Science 300 : 1434 1436.
18. Riyad, Y.M. et al. 2006. Deactivation of the first excited singlet state of thiophenols. Phys. Chem. Chem. Phys. 8 : 1697 1706.
19. Cabral do Couto, P., B.J. Costa Cabral & J.A. Martinho Simões. 2006. S-H bond dissociation enthalpies: the importance of a complete basis set approach. Chem. Phys. Lett. 421 : 504 507.
20. Burda, C. et al. 1999. Electron shuttling across interface of CdSe nanoparticles monitored by femtosecond laser spectroscopy. J. Phys. Chem. B 103 : 1783 1788.
21. Hässelbarth, A., A. Eychmüller & H. Weller. 1993. Detection of shallow electron traps in quantum sized CdS by fluorescence quenching experiments. Chem. Phys. Lett. 203 : 271 276.
22. Dean, J.A. 1999. Lange's Handbook of Chemistry. McGraw-Hill. New York.
23. Talapin, D.V. et al. 2002. Etching of colloidal InP nanocrystals with fluorides: photochemical nature of the process resulting in high photoluminescence efficiency. J. Phys. Chem. B 106 : 12659 12663.
24. Li, J.J. et al. 2003. Large-scale synthesis of nearly monodisperse CdSe/CdS core/shell nanocrystals using air-stable reagents via successive ion layer adsorption and reaction. J. Am. Chem. Soc. 125 : 12567 12575.