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13,200 Newest Publications in chemistry - a european journal

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Universal Method for Large Scale Synthesis of Layered Transition Metal Dichalcogenides

20-May-2017 | Zdenek Sofer, David Sedmidubsky, Jan Luxa, Daniel Bousa, Stepan Huber, Petr Lazar, Martin Vesely, Martin Pumera, Chemistry - A European Journal, 2017

The layered transition metal dichalcogenides currently belong to the most intensively investigated materials. These com‐pounds constitute a broad family of materials with characteristic layered structures and covering both semiconductors and metallic materials. The great attention arises from ...

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AcetylacetonateBODIPY−biscyclometalated Iridium(III) complexes: Effective strategy towards smarter fluorescent‐photosensitizer agents

19-May-2017 | Maria J. Ortiz, Eduardo Palao, Rebeca Sola-Llano, Andrea Tabero, Hegoi Manzano, Antonia R Agarrabeitia, Angeles Vi ..., Chemistry - A European Journal, 2017

Biscyclometalated Ir(III) complexes involving BODIPY‐based ancillary ligands, where the BODIPY unit is grafted to different chelating cores (acetylacetonate for Ir‐1 and Ir‐2, and bipyridine for Ir‐3) by the BODIPY meso position, have been synthesized and characterized. Complexes having the ...

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Ratiometric Hg2+/Ag+ Probes with Orange Red‐White‐Blue Fluorescence Response Constructed by Integrating Vibration‐Induced Emission with an Aggregation‐Induced Emission Motif

19-May-2017 | Yiru Li, Yang Liu, Haitao Zhou, Wei Chen, Ju Mei, Jianhua Su, Chemistry - A European Journal, 2017

Abstract Invited for the cover of this issue is the group of Ju Mei and Jianhua Su at the East China University of Science and Technology. The image depicts the highly sensitive ratiometric fluorometric probes achieved by integrating butterfly‐like VIE‐active luminogen with clover‐shaped ...

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Insights into trans‐Ligand and Spin‐Orbit Effects on Electronic Structure and Ligand NMR Shifts in Transition‐Metal Complexes

19-May-2017 | Anja H. Greif, Peter Hrobárik, Martin Kaupp, Chemistry - A European Journal, 2017

The nature of the trans ligand influences the ligand NMR shifts in 5d transition‐metal complexes, dominated by spin‐orbit (SO) effects. As analyzed for various Au(I) and Pt(II) hydride complexes, an increase in trans ligand influence may even change the sign of these SO shifts from shielding to ...

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Spin States of Homochiral and Heterochiral Isomers of [Fe(PyBox)2]2+ Derivatives

19-May-2017 | Kay E. Burrows, Sarah E. McGrath, Rafal Kulmaczewski, Oscar Cespedes, Simon A. Barrett, Malcolm A. Halcrow, Chemistry - A European Journal, 2017

The cover image compares the molecular spin states of two diastereomers of a spin‐crossover iron(II) complex. Solution‐phase magnetic measurements show the low‐spin state of the heterochiral (meso) diastereomer is stabilized relative to its homochiral (rac) congener. This reflects a steric ...

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Planarized and Twisted Intramolecular Charge Transfer: A Concept for Fluorophores Showing Two Independent Rotations in Excited State

19-May-2017 | Gebhard Haberhauer, Chemistry - A European Journal, 2017

The concept of the PLATICT state is illustrated in the image. The key element is a fluorophore containing two donor (blue) and two acceptor groups (red). Absorption of UV light leads to an intramolecular charge transfer state, which is stabilized by two independent rotations. The result is the ...

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Feasibility of N2 Binding and Reduction to Ammonia on Fe‐Deposited MoS2 2D Sheets: A DFT Study

19-May-2017 | Luis Miguel Azofra, Chenghua Sun, Luigi Cavallo, Douglas R. MacFarlane, Chemistry - A European Journal, 2017

Abstract Based on the structure of the nitrogenase FeMo cofactor (FeMoco), it is reported that Fe deposited on MoS2 2D sheets exhibits high selectivity towards the spontaneous fixation of N2 against chemisorption of CO2 and H2O. DFT predictions also indicate the ability of this material to ...

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Accessing Structurally Diverse Near‐Infrared Cyanine Dyes for Folate Receptor‐Targeted Cancer Cell Staining

19-May-2017 | Sandra G. König, Roland Krämer, Chemistry - A European Journal, 2017

Expanding the bioimaging toolbox of NIR dyes: A series of structurally diverse indotricarbocyanines was prepared by one‐step Pd‐catalyzed C−C‐coupling reactions from a chlorinated precursor dye. Absorbance maxima, fluorescence brightness, and photostability are dependent on the structure of the ...

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Insights into trans‐Ligand and Spin‐Orbit Effects on Electronic Structure and Ligand NMR Shifts in Transition‐Metal Complexes

19-May-2017 | Anja H. Greif, Peter Hrobárik, Martin Kaupp, Chemistry - A European Journal, 2017

Abstract Invited for the cover of this issue is the group of Martin Kaupp at the Technical University Berlin. The image depicts remarkably general and large trans ligand effects on NMR shifts in 5d transition‐metal complexes, and their main MO origins. Read the full text of the article at ...

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Preparation and Characterization of Group 13 Cyanides

19-May-2017 | Ralf Haiges, Piyush Deokar, Monica Vasiliu, Trent H. Stein, David A. Dixon, Karl O. Christe, Chemistry - A European Journal, 2017

New binary Group 13 cyanides were prepared from the corresponding metal trifluorides [MF3] (M = Ga, In, Tl) by fluoride–cyanide exchange reactions with Me3SiCN in the presence of stoichiometric amounts of [PPh4][CN] or 2,2’‐bipyridine in acetonitrile solution. Although the reaction of the metal ...

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