Abstract

The new chromophore molecules with nonlinear optical (NLO) properties were prepared by Knoevenagel condensation from diformyl calix[4]arene and isophorone derivatives in the presence of piperidine and acetic acid, respectively. In these chromophore calix[4]arenes, the ring-locked trienes were employed as the conjugation bridge and electron acceptor in D-'pi'-A units. Nuclear magnetic resonance (NMR) spectra indicate that the non-conjugated D-'pi'-A units can be oriented at nearly the same direction. Hyper-Rayleigh Scatting (HRS) measurements and ultraviolet (UV) spectra indicate that they have higher first hyperpolarizability 'beta' values than the corresponding reference compounds and are not accompanied with a large shift (>25 nm) of the absorption band to longer wavelengths.

© 2005 Chinese Optics Letters

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2002 (1)

J.-L. Hua, J.-D. Luo, J.-G. Qin, Y.-C. Shen, Y. Zhang, and Z.-H. Lu, J. Mater. Chem. 12, 863 (2002).

1997 (1)

T. Verbiest, S. Houbrechts, M. Kauranen, K. Clays, and A. Persoons, J. Mater. Chem. 7, 2175 (1997).

1996 (1)

C.-F. Shu, W.-J. Tsai, J.-Y. Chen, A. K.-Y. Jen, Y. Zhang, and T.-A. Chen, Chem. Commun. 19, 2279 (1996).

1995 (1)

R. F. Service, Science 267, 1921 (1995).

1989 (1)

M. Barzoukas, M. Blanchard-Desce, D. Josse, J.-M. Lehn, and J. Zyss, Chem. Phys. 133, 323 (1989).

Chem. Commun. (1)

C.-F. Shu, W.-J. Tsai, J.-Y. Chen, A. K.-Y. Jen, Y. Zhang, and T.-A. Chen, Chem. Commun. 19, 2279 (1996).

Chem. Phys. (1)

M. Barzoukas, M. Blanchard-Desce, D. Josse, J.-M. Lehn, and J. Zyss, Chem. Phys. 133, 323 (1989).

J. Mater. Chem. (2)

T. Verbiest, S. Houbrechts, M. Kauranen, K. Clays, and A. Persoons, J. Mater. Chem. 7, 2175 (1997).

J.-L. Hua, J.-D. Luo, J.-G. Qin, Y.-C. Shen, Y. Zhang, and Z.-H. Lu, J. Mater. Chem. 12, 863 (2002).

Science (1)

R. F. Service, Science 267, 1921 (1995).

Other (2)

P. Prasad and D. J. Williams, Introduction to Nonlinear Optical Effects in Molecules and Polymers (John Wiley and Sons, New York, 1991).

Z. Asfari, V. Bohmer, J. M. Harrowfield, and J. Vicens, Calixarenes (Kluwer, Dordrecht, 2001).

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