Volume 39, Issue 8 pp. 1436-1439
Communication

Optimized Two-Dimensional NLO Chromophores with a Threefold Symmetry Axis

J. Jens Wolff Priv.-Doz. Dr.

J. Jens Wolff Priv.-Doz. Dr.

Organisch-chemisches Institut der Ruprecht-Karls-Universität Heidelberg Im Neuenheimer Feld 270, 69120 Heidelberg (Germany) Fax: (+49) 6221-544205

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Fred Siegler Dr.

Fred Siegler Dr.

Organisch-chemisches Institut der Ruprecht-Karls-Universität Heidelberg Im Neuenheimer Feld 270, 69120 Heidelberg (Germany) Fax: (+49) 6221-544205

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Ralf Matschiner Dipl.-Phys.

Ralf Matschiner Dipl.-Phys.

Physikalische Chemie der Universität Kaiserslautern Erwin-Schrödinger-Weg, 67663 Kaiserslautern (Germany) Fax: (+49) 631-2052536

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Rüdiger Wortmann Prof. Dr.

Rüdiger Wortmann Prof. Dr.

Organisch-chemisches Institut der Ruprecht-Karls-Universität Heidelberg Im Neuenheimer Feld 270, 69120 Heidelberg (Germany) Fax: (+49) 6221-544205

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The authors would like to thank the Volkswagenstiftung and the Fonds der Chemischen Industrie for generous financial supports of this work.

Graphical Abstract

A new NLO standard has been set by compound 1 for the substance class of analines: Their second-order polarizability β is two orders of magnitude higher than that of the one-dimensional NLO prototype p-nitroaniline. This is an example of the optimization of nonlinear optical chromophores with a threefold axis of symmetry, a current challenge for synthetic organic chemistry.

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