Macroscopic origin of circular dichroism effects by alignment of self-assembled fibers in solution

Angewandte Chemie - International Edition

Volumn 46, Issue 43, 2007, Pages 8203-8205

  Wolffs, Martin ^a   George, Subi J ^a   Tomović, Željko ^a,b   Meskers, Stefan C J ^a   Schenning, Albertus P H J ^a   Meijer, E W ^a  

^a EINDHOVEN UNIVERSITY OF TECHNOLOGY   (Netherlands)

^b BASF SE   (Germany)

Author keywords

Alignment; Circular dichroism; Convective flow; Self assembly; Vortex flow

Indexed keywords

ALIGNMENT; DICHROISM; SOLUTIONS; SUPRAMOLECULAR CHEMISTRY; VORTEX FLOW;

CONVECTIVE FLOW; NONVISCOUS DILUTE SOLUTIONS;

FIBERS;

EID: 36049001152     PISSN: 14337851     EISSN: None     Source Type: Journal    
DOI: 10.1002/anie.200703075     Document Type: Article

References (17)

1. P. Jonkheijm, P. van der Schoot, A. P. H. J. Schenning, E.W. Meijer, Science 2006, 313, 80-83.
2. See the Supporting Information.
3. J. R. Welty, C. E. Wicks, R. E. Wilson, G. Rorrer, in Fundamentals of Momentum, Heat, and Mass Transfer, 4th ed., Wiley, New York, 2001.
4. C. R. L. P. N. Jeukens, P. Jonkheijm, F. J. P. Wijnen, J. C. Gielen, P. C. M. Christianen, A. P. H. J. Schenning, E. W. Meijer, J. C. J. Maan, J. Am. Chem. Soc. 2005, 127, 8280-8281.
5. a) B. Norden, Acta Chem. Scand. 1973, 27, 4021-4024;
6. b) Y. Shindo, M. Nishio, Biopolymers 1990, 30, 25-31.
7. A. Tsuda, M. A. Alam, T. Harada, T. Yamaguchi, N. Ishii, T. Aida, Angew. Chem. 2007, 119, 8346-8350;
8. Angew. Chem. Int. Ed. 2007, 46, 8198-8202.
9. After quickly cooling the same solution by quenching in an ice bath, stirring showed a less intense bisignate CD effect similar in sign to the slowly cooled solution. See the Supporting Information.
10. a) Y. Shindo, Y. Ohmi, J. Am. Chem. Soc. 1985, 107, 91-97;
11. b) F. Livolant, M. F. Maestre, Biochemistry 1988, 27, 3056-3068.
12. a) J. Schellman, H. P. Jensen, Chem. Rev. 1987, 87, 1359-1399;
13. b) F. D. Saeva, P. E. Sharpe, G. R. Olin, J. Am. Chem. Soc. 1973, 95, 7656-7659;
14. c) E. Sackmann, J. Voss, Chem. Phys. Lett. 1972, 14, 528-531.
15. In dye-doped cholesteric LCs, usually monosignate CD effects arise. In this case, the LB component originates from the host liquid crystal, which usually does not show a pronounced wavelength dependence in the region where the dye absorbed, because the LC is transparent in this region. See: S. F. Mason, R. D. Peacock, J. Chem. Soc. Chem. Commun. 1973, 712-713.
16. The synthesis of the compound has been reported elsewhere: P. Jonkheijm, F. J. M. Hoeben, R. Kleppinger, J. van Herrikhuyzen, A. P. H. J. Schenning, E. W. Meijer, J. Am. Chem. Soc. 2003, 125, 15941-15949.
17. The LD contribution in the self-assembly of S-OPV3 (the exact chiral analogue of A-OPV3 with 5-methylbutyloxy side chains) is negligible. See the Supporting Information.