Single-molecule spectroscopy of conjugated polymers

Accounts of Chemical Research

Volumn 38, Issue 7, 2005, Pages 602-610

  Barbara, Paul F ^a   Gesquiere, Andre J ^a   Park, So Jung ^a   Young, Jong Lee ^a  

^a UNIVERSITY OF TEXAS AT AUSTIN   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 23744510059     PISSN: 00014842     EISSN: None     Source Type: Journal    
DOI: 10.1021/ar040141w     Document Type: Article

References (29)

1. Wang, H. L.; MacDiarmid, A. G.; Wang, Y. Z.; Gebler, D. D.; Epstein, A. J. Application of polyaniline (emeraldine base, EB) in polymer light-emitting devices. Synth. Met. 1996, 78, 33-37.
2. Hide, F.; Diazgarcia, M. A.; Schwartz, B. J.; Heeger, A. J. New developments in the photonic applications of conjugated polymers. Acc. Chem. Res. 1997, 30, 430-436.
3. Friend, R. H.; Gymer, R. W.; Holmes, A. B.; Burroughes, J. H.; Marks, R. N.; Taliani, C.; Bradley, D. D. C.; Dos Santos, D. A.; Bredas, J. L.; Logdlund, M.; Salaneck, W. R. Electroluminescence in conjugated polymers. Nature 1999, 397, 121-128.
4. Vanden Bout, D. A.; Kerimo, J.; Higgins, D. A.; Barbara, P. F. Near-field optical studies of thin-film mesostructured organic materials. Acc. Chem. Res. 1997, 30, 204-212.
5. Nirmal, M.; Dabbousi, B. O.; Bawendi, M. G.; Macklin, J. J.; Trautman, J. K.; Harris, T. D.; Brus, L. E. Fluorescence intermittency in single cadmium selenide nanocrystals. Nature 1996, 383, 802-804.
6. Huser, T.; Yan, M.; Rothberg, L. J. Single chain spectroscopy of conformational dependence of conjugated polymer photophysics. Proc. Natl. Acad. Sci. U.S.A. 2000, 97, 11187-11191.
7. Sartori, S. S.; De Feyter, S.; Hofkens, J.; Van der Auweraer, M.; De Schryver, F.; Brunner, K.; Hofstraat, J. W. Host matrix dependence on the photophysical properties of individual conjugated polymer chains. Macromolecules 2003, 36, 500-507.
8. Mehta, A.; Kumar, P.; Dadmun, M. D.; Zheng, J.; Dickson, R. M.; Thundat, T.; Sumpter, B. G.; Barnes, M. D. Oriented nanostructures from single molecules of a semiconducting polymer: polarization evidence for highly aligned intramolecular geometries. Nano Lett. 2003, 3, 603-607.
9. Ronne, C.; Tragardh, J.; Hessman, D.; Sundstrom, V. Temperature effect on single chain MEH-PPV spectra. Chem. Phys. Lett. 2004, 388, 40-45.
10. Wang, C. F.; White, J. D.; Lim, T. L.; Hsu, J. H.; Yang, S. C.; Fann, W. S.; Peng, K. Y.; Chen, S. A. Illumination of exciton migration in rodlike luminescent conjugated polymers by single-molecule spectroscopy. Phys. Rev. B 2003, 67, No. 035202.
11. Schindler, F.; Lupton, J. M.; Feldmann, J.; Scherf, U. A universal picture of chromophores in pi-conjugated polymers derived from single-molecule spectroscopy. Proc. Natl. Acad. Sci. U.S.A. 2004, 101, 14695-14700.
12. Vandenbout, D. A.; Yip, W. T.; Hu, D. H.; Fu, D. K.; Swager, T. M.; Barbara, P. F. Discrete intensity jumps and intramolecular electronic energy transfer in the spectroscopy of single conjugated polymer molecules. Science 1997, 277, 1074-1077.
13. Yip, W. T.; Hu, D. H.; Yu, J.; Vanden Bout, D. A.; Barbara, P. F. Classifying the photophysical dynamics of single- and multiple-chromophoric molecules by single molecule spectroscopy. J. Phys. Chem. A 1998, 102, 7564-7575.
14. Hu, D. H.; Yu, J.; Barbara, P. F. Single-molecule spectroscopy of the conjugated polymer MEH-PPV. J. Am. Chem. Soc. 1999, 121, 6936-6937.
15. Hu, D. H.; Yu, J.; Wong, K.; Bagchi, B.; Rossky, P. J.; Barbara, P. F. Collapse of stiff conjugated polymers with chemical defects into ordered, cylindrical conformations. Nature 2000, 405, 1030-1033.
16. Yu, J.; Hu, D. H.; Barbara, P. F. Unmasking electronic energy transfer of conjugated polymers by suppression of O-2 quenching. Science 2000, 289, 1327-1330.
17. Wong, K. F.; Skaf, M. S.; Yang, C. Y.; Rossky, P. J.; Bagchi, B.; Hu, D. H.; Yu, J.; Barbara, P. F. Structural and electronic characterization of chemical and conformational defects in conjugated polymers. J. Phys. Chem. B 2001, 105, 6103-6107.
18. Hu, D. H.; Yu, J.; Padmanaban, G.; Ramakrishnan, S.; Barbara, P. F. Spatial confinement of exciton transfer and the role of conformational order in organic nanoparticles. Nano Lett. 2002, 2, 1121-1124.
19. Park, S. J.; Gesquiere, A. J.; Yu, J.; Barbara, P. F. Charge injection and photooxidation of single conjugated polymer molecules. J. Am. Chem. Soc. 2004, 126, 4116-4117.
20. Gesquiere, A. J.; Park, S. J.; Barbara, P. F. F-V/SMS: A new technique for studying the structure and dynamics of single molecules and nanoparticles. J. Phys. Chem. B 2004, 108, 10301-10308.
21. Lammi, R. K.; Fritz, K. P.; Scholes, G. D.; Barbara, P. F. Ordering of single conjugated polymers in a nematic liquid crystal host. J. Phys. Chem. B 2004, 108, 4593-4596.
22. Yu, J.; Song, N. W.; McNeill, J. D.; Barbara, P. F. Efficient exciton quenching by hole polarons in the conjugated polymer MEH-PPV. Isr. J. Chem. 2004, 44, 127-132.
23. Yu, Z. H.; Barbara, P. F. Low-temperature single-molecule spectroscopy of MEH-PPV conjugated polymer molecules. J. Phys. Chem. B 2004, 108, 11321-11326.
24. Lammi, R. K.; Barbara, P. F. Influence of chain length on exciton migration to low-energy sites in single fluorene copolymers. Photochem. Photobiol. Sci. 2005, 4, 95-99.
25. Yu, J.; Lammi, R. K.; Gesquiere, A. J.; Barbara, P. F. Singlet-triplet and triplet-triplet interactions in conjugated polymer single molecules. J. Phys. Chem. B 2005, 109, 10025.
26. Gesquiere, A. J.; Lee, Y. J.; Yu, J.; Barbara, P. F. Single molecule modulation spectroscopy of conjugated polymers. J. Phys. Chem. B, published online June 2, 2005, http://dx.doi.org/10.1021/jp0507851.
27. Gesquiere, A. J.; Park, S.-J.; Barbara, P. F. Hole polaron induced quenching of triplet and singlet excitons in conjugated polymers. J. Am. Chem. Soc., published online June 14, 2005, http://dx.doi.org/10.1021/ja051271i.
28. Lee, Y. J.; Park, S.-J.; Gesquiere, A. J.; Barbara, P. F. Probing a molecular interface in a functioning organic diode. Appl. Phys. Lett., in press.
29. Link, S.; Hu, D.; Chang, W. S.; Lammi, R. K.; Scholes, G. D.; Barbara, P. F. Nematic solvation of "broken" conjugated polymers. Submitted for publication, 2005.