Chemistry - A European Journal

Cover image for Vol. 20 Issue 35

Editor: Neville Compton, Deputy Editors: Anne Deveson, Elisabeth Roedern

Impact Factor: 5.696

ISI Journal Citation Reports © Ranking: 2013: 22/148 (Chemistry Multidisciplinary)

Online ISSN: 1521-3765

Associated Title(s): Angewandte Chemie International Edition, Chemistry – An Asian Journal, ChemistryOpen, ChemBioChem, ChemCatChem, ChemElectroChem, ChemMedChem, ChemPhysChem, ChemPlusChem, ChemSusChem, European Journal of Inorganic Chemistry, European Journal of Organic Chemistry

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May 23, 2014

New Multichromophoric Ligand for Light Harvesting

New Multichromophoric Ligand for Light Harvesting

Light-harvesting antennae are of great importance for the development of efficient solar cells. Multichromophoric systems capable of harvesting light are of interest as they can be used in multicomponent systems in which the different chromophores are in close contact to favor energy and/or electron transfer, so that the excitation energy can be funneled to a specific acceptor. If one of these chromophores is also a good ligand for metal ions, new interesting properties can arise in a supramolecular system, such as control of the energy/electron transfer processes by changing the metal ion or the ability to generate supramolecular architectures and coordination polymers. To find out more about this subject read the paper by Marc Gingras, Aix-Marseille Université, France, Giacomo Bergamini, University of Bologna, Italy, and co-workers

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Recently Published Articles

  1. Synthesis, Thermal Behavior, and Dehydrogenation Kinetics Study of Lithiated Ethylenediamine

    Juner Chen, Dr. Guotao Wu, Prof. Zhitao Xiong, Dr. Hui Wu, Dr. Yong Shen Chua, Dr. Wei Zhou, Bin Liu, Xiaohua Ju and Prof. Ping Chen

    Article first published online: 27 AUG 2014 | DOI: 10.1002/chem.201403047

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    Reversible phase transformations of partial and dilithiated ethylenediamine compounds are observed during synthesis (see figure). One-dimensional {LinNn} ladders and three-dimensional networks are found in the crystal structures of LiN(H)CH2CH2NH2 and LiN(H)CH2CH2N(H)Li, respectively. Thermal behavior of three lithiated ethylenediamine compounds and the dynamical dehydrogenation mechanism of dilithiated ethylenediamine have been systematically investigated.

  2. The Metallofullerene Field-Induced Single-Ion Magnet HoSc2N@C80

    Dr. Jan Dreiser, Dr. Rasmus Westerström, Dr. Yang Zhang, Dr. Alexey A. Popov, Prof. Lothar Dunsch, Dr. Karl Krämer, Dr. Shi-Xia Liu, Prof. Silvio Decurtins and Prof. Thomas Greber

    Article first published online: 27 AUG 2014 | DOI: 10.1002/chem.201403042

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    Endohedral metallofullerenes: The molecule containing HoSc2N encapsulated in a C80 cage exhibits slow relaxation of magnetization, as observed by alternating current (ac) magnetometry. Moreover, it shows strong magnetic anisotropy. Possible mechanisms of magnetization relaxation and the link to the molecular structure are discussed.

  3. Organotin–Oxido Cluster-Based Multiferrocenyl Complexes Obtained by Hydrolysis of Ferrocenyl-Functionalized Organotin Chlorides

    Zhiliang You, Robert Möckel, Jakob Bergunde and Prof. Dr. Stefanie Dehnen

    Article first published online: 27 AUG 2014 | DOI: 10.1002/chem.201403657

    Thumbnail image of graphical abstract

    Decorated clusters: Two new Sn/O cluster-based multiferrocenyl complexes were formed by hydrolysis of ferrocenyl-substituted organotin trichlorides. The structure of one of them, which can be synthesized either via a mononuclear and a dinuclear intermediate complex or in a one-pot reaction, is based on a [Sn4O6] unit. The second one is obtained from a corresponding reaction of FcSnCl3 and contains nine Fc units on the cluster surface (see figure).

  4. Dispersion Interaction Stabilizes Sterically Hindered Double Fullerenes

    Jun Zhang and Prof. Dr. Michael Dolg

    Article first published online: 27 AUG 2014 | DOI: 10.1002/chem.201404106

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    Isomer stability: For bulky functional groups, such as cyclohexane, [20]fullerene, dodecahedrane, and C60, it has been demonstrated that the dispersion interaction can outperform the steric effect, making a compact isomer the more stable one (see scheme). This study reminds us that dispersion interactions as well as electrostatic or hyperconjugation effects and so forth can lead to some unusual stereochemical phenomena.

  5. Multicomponent Assembly of Fluorescent-Tag Functionalized Ligands in Metal–Organic Frameworks for Sensing Explosives

    Bappaditya Gole, Dr. Arun Kumar Bar and Prof. Partha Sarathi Mukherjee

    Article first published online: 27 AUG 2014 | DOI: 10.1002/chem.201402791

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    Electronic tagging: Four multicomponent metal–organic frameworks (MOFs) have been synthesized by employing ligands embedded with fluorescent tags (see figure). The multicomponent assembly of the ligands was utilized to acquire a diverse electronic behavior of the MOFs and the fluorescent tags were strategically chosen to enhance the electron density. The phase purity of the MOFs was established by PXRD, NMR spectroscopy, and finally by single-crystal XRD.

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