Chemistry – An Asian Journal

Cover image for Vol. 12 Issue 10

Editor: Theresa Kueckmann, Deputy Editor: Heiko Kuhn; Chairman of the Editorial Board: Ryoji Noyori

Impact Factor: 4.592

ISI Journal Citation Reports © Ranking: 2015: 29/163 (Chemistry Multidisciplinary)

Online ISSN: 1861-471X

Associated Title(s): Angewandte Chemie International Edition, Asian Journal of Organic Chemistry, Chemistry - A European Journal, ChemNanoMat, Chinese Journal of Chemistry, Journal of the Chinese Chemical Society, The Chemical Record

8_02/2013Cover Picture: Ferrocene-Donor and 4,5-Dicyanoimidazole-Acceptor Moieties in Charge-Transfer Chromophores with π Linkers Tailored for Second-Order Nonlinear Optics (Chem. Asian J. 2/2013)

Tuning of the nonlinear optical (NLO) properties of push–pull systems featuring a 4,5-dicyanoimidazole acceptor and a ferrocene donor has been accomplished by a systematic variation of the bridging π-conjugated spacer molecules, as decribed by Filip Bureš et al. in their Full Paper on page 465 ff. The extent of intramolecular charge transfer (ICT) from the donor to the acceptor units in these inorganic–organic hybrid chromophores was evaluated by X-ray analysis, electrochemistry, electronic absorption spectroscopy, second harmonic generation (SHG) measurements, and DFT calculations. Elucidation of the structure–property relationships revealed that the most crucial factors affecting ICT and the respective NLO properties are the length, composition, and arrangement of the π linker.

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