## 1998 optical properties optical properties (excluding spectra) (organic substances) K 2000 ## 34 -024 High Hyperpolarizabilities of arene Derivatives by Preorganization of Chromophores. -Compared with the corresponding reference compounds, preorganization of nonlinear optical (NLO) active moi
High Hyperpolarizabilities of Donor-π-Acceptor-Functionalized Calix[4]arene Derivatives by Pre-organization of Chromophores
✍ Scribed by Paul J. A. Kenis; Esther G. Kerver; Bianca H. M. Snellink-Ruël; Gerrit J. van Hummel; Sybolt Harkema; Marinus C. Flipse; Richard H. Woudenberg; Johan F. J. Engbersen; David N. Reinhoudt
- Publisher
- John Wiley and Sons
- Year
- 1998
- Tongue
- English
- Weight
- 683 KB
- Volume
- 1998
- Category
- Article
- ISSN
- 1434-193X
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✦ Synopsis
A systematic investigation of the concept of pre-organization of nonlinear optical (NLO) active chromophoric groups in calix [4]arene derivatives and the influence on the absolute second-order nonlinear optical coefficients is reported. Several calix[4]arenes were synthesized by modification of the electron-withdrawing groups at the upper rim of the aromatic and extension of the conjugated π system of the preorganized chromophoric groups. Electrical field induced second harmonic generation (EFISH) experiments showed high µβ(0) values up to 1165•10 -48 esu. Compared with the
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