Surface passivation of luminescent colloidal quantum dots with poly(dimethylaminoethly methacrylate) through a ligand exchange process

Journal of the American Chemical Society

Volumn 126, Issue 25, 2004, Pages 7784-7785

  Wang, Xiao Song ^a   Dykstra, Tieneke E ^a   Salvador, Mayrose R ^a   Manners, Ian ^a   Scholes, Gregory D ^a   Winnik, Mitchell A ^a  

^a UNIVERSITY OF TORONTO   (Canada)

Author keywords

[No Author keywords available]

Indexed keywords

AMINE; LIGAND; METHACRYLIC ACID DERIVATIVE; METHANOL; NANOPARTICLE; POLY(DIMETHYLAMINOMETHYL METHACRYLATE); POLYMER; UNCLASSIFIED DRUG;

ARTICLE; CHEMICAL MODIFICATION; CHEMICAL REACTION; COLLOID; CRYSTAL; LIGAND EXCHANGE REACTION; LUMINESCENCE; MOLECULAR STABILITY; PHOTOLUMINESCENCE; QUANTUM MECHANICS; SOLUBILITY; SURFACE PROPERTY;

EID: 3042601649     PISSN: 00027863     EISSN: None     Source Type: Journal    
DOI: 10.1021/ja0489339     Document Type: Article

References (18)

1. Alivisatos, A. P. Science 1996, 271, 933-937.
2. Jovin, T. M. Nat. Biotechnol. 2003, 21, 32-33.
3. Huynh, W. U.; Dittmer, J. J.; Alivisatos, A. P. Science 2002, 295, 2425-2427.
4. (a) Zhang, H.; Cui, Z. C.; Wang, Y.; Zhang, K.; Ji, X. L.; Lu, C. L.; Yang, B.; Gao, M. Y. Adv. Mater. 2003, 15, 777-780.
5. (b) O'Brien, P.; Cummins, S. S.; Darcy, D.; Dearden, A.; Masala, O.; Pickett, N. L.; Ryley, S.; Sutherland, A. J. Chem. Commun. 2003, 2532-2533.
6. See Supporting Information.
7. (a) Potapova, I.; Mruk, R.; Prehl, S.; Zentel, R.; Basche, T.; Mews, A. J. Am. Chem. Soc. 2003, 125, 320-321.
8. (b) Cyr, P. W.; Tzolov, M.; Hines, M. A.; Manners, I.: Sargent, E. H.; Scholes, G. D. J. Mater. Chem. 2003, 13, 2213-2219.
9. Farmer, S. C.; Patten, T. E. Chem. Mater. 2001, 13, 3920-3926.
10. (b) Skaff, H.; Ilker, M. F.; Coughlin, E. B.; Emrick, T. J. Am. Chem. Soc. 2002, 124, 5729-5733.
11. Dubertret, B.; Skourides P.; Norris, D. J.; Noireaux, V.; Brivanlou, A. H.; Libchaber, A. Science 2002, 298, 1759-1762.
12. Kim, S.; Bawendi, M. G. J. Am. Chem. Soc. 2003, 125, 14652-14653.
13. Wang, X. S.; Armes, S. P. Macromolecules 2000, 33, 6640-6647.
14. (a) Murray, C. B.; Noms, D. J.; Bawendi, M. G. J. Am. Chem. Soc. 1993, 115, 8706-8715.
15. (b) Hines, M. A.; Guyot-Sionnest, P. J. Phys. Chem 1996, 100, 468-471.
16. Kuno, M.; Lee, J. K.; Dabbousi, B: O.; Mikulec, F. V.; Bawendi, M. G. J. Chem. Phys. 1997, 106, 9869-9882.
17. Lorenz, J. K.; Ellis, A. B. J. Am. Chem. Soc. 1998, 120, 10970-10975.
18. The quantum yields were measured using rhodamine 6G as a standard for optical densities ranging from 0.02 to 0.5. The spectra were corrected for lamp fluctuations and detector response. The QY was found by dividing the integrated fluorescence intensity by the optical density at the excitation wavelength (475 nm).