Solvent-related conformational changes and aggregation of conjugated polymers studied by single molecule fluorescence spectroscopy

Journal of Photochemistry and Photobiology A: Chemistry

Volumn 144, Issue 1, 2001, Pages 43-51

  Huser, Thomas ^a   Yan, Ming ^a  

^a LAWRENCE LIVERMORE NATIONAL LABORATORY   (United States)

Author keywords

Aggregates; Conjugated polymers; Photoluminescence spectroscopy; Single molecules

Indexed keywords

EID: 0002669821     PISSN: 10106030     EISSN: None     Source Type: Journal    
DOI: 10.1016/S1010-6030(01)00378-1     Document Type: Article

References (19)

1. R.H. Friend, et al., Electroluminescence in conjugated polymers, Nature 397 (6715) (1999) 121-128.
2. Nguyen T.Q., Doan V., Schwartz B.J. Conjugated polymer aggregates in solution: control of interchain interactions. J. Chem. Phys. 110(8):1999;4068-4078.
3. T.Q. Nguyen, et al., Controlling interchain interactions in conjugated polymers: the effects of chain morphology on exciton-exciton annihilation and aggregation in MEH-PPV films, J. Phys. Chem. B 104 (2) (2000) 237-255.
4. R. Jakubiak, et al., Aggregation quenching of luminescence in electroluminescent conjugated polymers, J. Phys. Chem. A 103 (14) (1999) 2394-2398.
5. L.J. Rothberg, et al., Photophysics of phenylenevinylene polymers, Synth. Met. 80 (1) (1996) 41-58.
6. Moerner W.E., Orrit M. Illuminating single molecules in condensed matter. Science. 283(5408):1999;1670-1676.
7. Weiss S. Fluorescence spectroscopy of single biomolecules. Science. 283(5408):1999;1676-1683.
8. W.P. Ambrose, et al., Single molecule fluorescence spectroscopy at ambient temperature, Chem. Rev. 99 (10) (1999) 2929-2956.
9. D.A. VandenBout, et al., Discrete intensity jumps and intramolecular electronic energy transfer in the spectroscopy of single conjugated polymer molecules, Science 277 (5329) (1997) 1074-1077.
10. M. Yan, et al., Defect quenching of conjugated polymer luminescence, Phys. Rev. Lett. 73 (5) (1994) 744-747.
11. T.Q. Nguyen, et al., Control of energy transfer in oriented conjugated polymer-mesoporous silica composites, Science 288 (5466) (2000) 652-656.
12. Huser Th., Yan M., Rothberg L.J. Single-chain spectroscopy of conformational dependence of conjugated polymer photophysics. Proc. Natl. Acad. Sci. U.S.A. 97:2000;11187-11191.
13. Hu D.H., Yu J., Barbara P.F. Single-molecule spectroscopy of the conjugated polymer MEH-PPV. J. Am. Chem. Soc. 121(29):1999;6936-6937.
14. M. Yan, et al., Interchain excitations in conjugated polymers, Phys. Rev. Lett. 75 (10) (1995) 1992-1995.
15. R. Jakubiak, et al., Reduction of photoluminescence quantum yield by interchain interactions in conjugated polymer films, Synth. Met. 101 (1-3) (1999) 230-233.
16. R. Kersting, et al., Femtosecond energy relaxation in pi-conjugated polymers, Phys. Rev. Lett. 70 (24) (1993) 3820-3823.
17. M. Nirmal, et al., Fluorescence intermittency in single cadmium selenide nanocrystals, Nature 383 (6603) (1996) 802-804.
18. L.H. Chen, et al., Highly sensitive biological and chemical sensors based on reversible fluorescence quenching in a conjugated polymer, Proc. Natl. Acad. Sci. U.S.A. 96 (22) (1999) 12287-l2292.
19. Bao Z.N., Amundson K.R., Lovinger A.J. Poly(phenylenevinylene)s with dendritic side chains: synthesis, self-ordering, and liquid crystalline properties. Macromolecules. 31(24):1998. 8647-8649.