Ferrocene-quinoxaline Y-shaped chromophores as fascinating second-order NLO building blocks for long lasting highly active SHG polymeric films
The first example of a Y-shaped ferrocene quinoxaline derivative with a surprisingly high and stable second harmonic generation (SHG) response in composite polymeric films is reported. The interesting quadratic hyperpolarizability values of different substituted Y-shaped chromophores are also investigated in solution by the EFISH technique.
New Internal-Charge-Transfer Second-Order Nonlinear Optical Chromophores Based on the Donor Ferrocenylpyrazole Moiety
A series of new N-arylated ferrocenepyrazole structures, carrying different donor or acceptor substituents in the para position of the aryl ring, has been synthesized by the Chan-Lam cross-coupling reaction. The nonplanar geometric molecular structure of some of these chromophores together with their crystal packing was determined by X-ray diffraction, and the HOMO and LUMO energy levels were evaluated by electrochemical and optical measurements and by density functional theoretical (DFT) calculations. By the investigation of solvent effects and time-dependent DFT (TD-DFT) calculations, the intense electronic absorption band around 270-310 nm was confirmed to be an internal-chargetransfer (…
CCDC 1440375: Experimental Crystal Structure Determination
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CCDC 1440374: Experimental Crystal Structure Determination
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CCDC 1428469: Experimental Crystal Structure Determination
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CCDC 1421537: Experimental Crystal Structure Determination
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CCDC 1421536: Experimental Crystal Structure Determination
Related Article: Kabali Senthilkumar, Maddalena Pizzotti, Krishnan Thirumoorthy, Gabriele Di Carlo, Stefania Righetto, Alessio Orbelli Biroli, Matti Haukka, Nallasamy Palanisami|2016|J.Phys.Chem.C|120|20277|doi:10.1021/acs.jpcc.6b06364
CCDC 1421538: Experimental Crystal Structure Determination
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