Chemistry - A European Journal

Cover image for Vol. 20 Issue 31

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

Impact Factor: 5.831

ISI Journal Citation Reports © Ranking: 2012: 21/152 (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. Solution-Processible Brilliantly Luminescent EuIII Complexes with Host-Featured Phosphine Oxide Ligands for Monochromic Red-Light-Emitting Diodes

    Jianzhe Wang, Dr. Chunmiao Han, Dr. Guohua Xie, Dr. Ying Wei, Dr. Qin Xue, Prof. Pengfei Yan and Dr. Hui Xu

    Article first published online: 25 JUL 2014 | DOI: 10.1002/chem.201403244

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    Shining bright: A series of solution-processible electroluminescent (EL) Eu3+ complexes were constructed with a self-host strategy, in which neutral ligands were employed as functionalized bidentate phosphine oxide ligands with strong host characteristics (see figure). As a result, the corresponding spin-coated devices achieved low driving voltages, such as onset voltages of 6 V and a maximum luminance up to 90 cd m−2. This work verifies the potential of small molecular EL Eu3+ complexes for solution-processed diodes through rational function integrations.

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    Isabel Machado, Prof. Dr. Veli Cengiz Özalp, Dr. Elixabete Rezabal and Prof. Dr.-Ing. Thomas Schäfer

    Article first published online: 25 JUL 2014 | DOI: 10.1002/chem.201403354

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    AMPing out: The function and structural changes of an AMP molecular aptamer beacon and its molecular recognition capacity for its target, adenosine monophosphate (AMP), was systematically explored in solution with a protic ionic liquid, ethylammonium nitrate (EAN; see figure).

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    Article first published online: 25 JUL 2014 | DOI: 10.1002/chem.201403992

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    Self-service: Nanoporous Pt hollow nanostructures with octahedral and hexagonal frame-like morphologies are prepared by a facile one-pot self-templating route with no assistance from a preformed template or shape-directing agent. The hexagonal frame-like Pt hollow structures exhibit significantly enhanced catalytic activity toward CO oxidation reaction compared to the octahedral Pt hollow nanostructures due to the higher oxidation state of Pt (see figure).

  4. Liquid-Phase Enantioselective Chromatographic Resolution Using Interpenetrated, Homochiral Framework Materials

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    Anaylyte-sensitive MOFs: Two new enantiopure 2D[RIGHTWARDS ARROW]3D interpenetrated materials used as stationary liquid chromatographic phases are shown to resolve selected racemic mixtures with enantiomeric and chemical selectivity. Enantioselectivity is enhanced for the metal–organic material in comparison to the control experiment when only the pure chiral ligand was employed.

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    Simple but bright: A novel class of boron difluoride dyes based on 3-cyanoformazanate ligands is reported. The dyes were synthesized by straightforward synthetic methods and shown to possess readily tunable and substituent-dependent absorption, emission, and electrochemical properties. The trends in experimental results observed were confirmed and rationalized by using electronic structure calculations.

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