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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Vol. 3, Iss. S1 — Aug. 28, 2005
  • pp: S306–S307

Synthesis and NLO properties of chromophores with calix[4] arene and ring-locked trienes

Chaozhi Zhang, Zhu Bai, Guoyuan Lu, Fang Liu, Changgui Lv, Xin Wang, Jing Zhu, and Yiping Cui  »View Author Affiliations


Chinese Optics Letters, Vol. 3, Issue S1, pp. S306-S307 (2005)


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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

OCIS Codes
(000.1570) General : Chemistry
(160.4330) Materials : Nonlinear optical materials
(160.4890) Materials : Organic materials
(190.0190) Nonlinear optics : Nonlinear optics

Citation
Chaozhi Zhang, Zhu Bai, Guoyuan Lu, Fang Liu, Changgui Lv, Xin Wang, Jing Zhu, and Yiping Cui, "Synthesis and NLO properties of chromophores with calix[4] arene and ring-locked trienes," Chin. Opt. Lett. 3, S306-S307 (2005)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-3-S1-S306

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