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299 Newest Publications in chemical communication

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Efficient Asymmetric Transfer Hydrogenation of Ketones in Ethanol with Chiral Iridium Complexes of SpiroPAP Ligands as Catalysts

04-Mar-2015 | Wei-Peng Liu; Ming-Lei Yuan; Xiao-Hui Yang; Ke Li; jian-hua xie; Qi-Lin Zhou, Chemical Communication, 2015

A highly efficient iridium catalyzed asymmetric transfer hydrogenation of simple ketones with ethanol as a hydrogen donor has been developed. By using chiral spiro iridium catalyst (S)-1a a series of alkyl aryl ketones were hydrogenated to chiral alcohols with up to 98% ee

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Building with bubbles: the formation of high surface area honeycomb-like films via hydrogen bubble templated electrodeposition

04-Mar-2015 | Blake J. Plowman; Lathe A. Jones; Suresh K. Bhargava, Chemical Communication, 2015

While the evolution of hydrogen gas is often a troublesome process accompanying electrodeposition, this feature can be exploited to template the growth of highly porous surfaces. This process, known as the dynamic hydrogen bubble template (DHBT) method, can be utilised to create a wide range of ...

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A competitive amino-carboxylic hydrogen bond on a gold surface

02-Mar-2015 | Zhijing Feng; Carla Castellarin Cudia; Luca Floreano; Alberto Morgante; Giovanni Comelli; Carlo Dri; Albano Cossaro, Chemical Communication, 2015

An amino-carboxylic motif is identified as a novel synthon in the formation of 2D hetero-organic architectures at surfaces. The well-defined interacting scheme we describe herein represents an ideal prototypical system for further investigation of the interaction at surfaces of the two functional ...

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Quantitative Analysis of Photons Decaying Pathways in Si Nanowires Array for High Efficient Photoelectrochemical Solar Hydrogen Generation

28-Feb-2015 | Chunyang Duan; Hui Wang; Bingchang Zhang; Fan Li; Xuemei Ou; Xiaohong Zhang, Chemical Communication, 2015

We quantitatively investigated excitons’ decaying pathways of photon-excited SiNWs array to reveal the reason for their low-performances. It is demonstrated that excitons decay through both carriers’ separation and energy transfer due to Si’s indirect-band-gap feature, and these two pathways ...

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Enhanced Quantum Yield of Nitrogen Fixation for Hydrogen Storage with In-Situ-Formed Carbonaceous Radicals

26-Feb-2015 | weirong zhao; Haiping Xi; Meng Zhang; Yajun Li; Jinsheng Chen; Jing Zhang; Xi Zhu, Chemical Communication, 2015

NH3 is a potential hydrogen energy carrier. Here we use alcohols as hole scavengers to investigate the nitrogen photofixation mechnisms including direct and indirect electron transfer processes. The t-butanol system exhibited the highest quantum yield of 36.1%, ascribing to the in-situ-formed ...

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Sonogenerated Metal-Hydrogen Sponges for Reactive Hard Templating

26-Feb-2015 | Katja Skorb; Olga Baidukova; Helmuth Mohwald; Aliaksei S. Mazheika; Dmitry Sviridov; Tatiana Palamarciuc; Birgit Web ..., Chemical Communication, 2015

We present sonogenerated magnesium-hydrogen sponge for effective reactive hard templating. Formation of differently organized nanomaterials is possible by variation of sonochemical parameters and solution composition: Fe2O3 nanorods or composite dendritic Fe2O3/Fe3O4 nanostructures.

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Structural and Electronic Modification of MoS2 Nanosheets using S-doped Carbon for Efficient Electrocatalysis of Hydrogen Evolution Reaction

26-Feb-2015 | Phani KLN; Thangavel Nareshkumar; Naveen Chandrasekaran, Chemical Communication, 2015

We discovered in situ generation of S-doped carbon sandwiched between the MoS2 nano-sheets during pyrolysis of Mo(VI)-polydopamine (PDA) in presence of elemental sulfur. This causes enrichment of MoS2 with more edge planes (2H to 1T), also resulting in enhanced charge density and electronic ...

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Superior perrhenate anion recognition in water by a halogen bonding acyclic receptor

26-Feb-2015 | Jason Y. C. Lim; Paul D. Beer, Chemical Communication, 2015

A halogen bonding bis-iodotriazolium water-soluble acyclic receptor exhibits enhanced perrhenate anion recognition in water compared to the hydrogen bonding analogue, and is shown to be capable of sensing the oxoanion via a fluorescence response.

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Theoretical exploration of MgH2 and graphene nano-flake in cyclohexane: proposing a new perspective toward functional hydrogen storage material

06-Jan-2015 | Runze Liu; Yinghe Zhao; tianshu chu, Chemical Communication, 2015

We studied the reaction mechanism of di-n-butylmagnesium decomposing into MgH2 in cyclohexane, and found a new route easier than famous β-hydride elimination. Further, we explored the dynamic behavior of graphene nano-flake and MgH2 in cyclohexane, and gained new insights for efficient hydrogen ...

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Solution and solid-phase halogen and C–H hydrogen bonding to perrhenate

06-Jan-2015 | Casey J. Massena; Asia Marie S. Riel; George F. Neuhaus; Daniel A. Decato; Orion B. Berryman, Chemical Communication, 2015

1H NMR spectroscopic and X-ray crystallographic investigations of a 1,3-bis(4-ethynyl-3-iodopyridinium)benzene scaffold with perrhenate reveal strong halogen bonding in solution, and bidentate association in the solid state. A nearly isostructural host molecule demonstrates significant C–H ...

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