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358 Newest Publications in chemical communication

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Mechanism of CO2 Hydration: Porous Metal Oxide Nanocapsule Catalyst Can Mimic the Biological Carbonic Anhydrase Role

03-Sep-2015 | Carles Bo; Nuno Bandeira; Achim Muller; Somenath Garai, Chemical Communication, 2015

The mechanism for the hydration of CO2 within a Keplerate nanocapsule is presented. A network of hydrogen bonds across the water layers in the first metal coordination sphere facilitates the proton abstraction and nucleophilic addition of water. The highly acidic properties of the polyoxometalate ...

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Unexpected Functions of Oxygen in Chemical Vapor Deposition Atmosphere to Regulate Graphene Growth Modes

02-Sep-2015 | Jing Li; Dong Wang; Li-jun Wan, Chemical Communication, 2015

The triple role of hydrogen as cocatalyst in the formation of active carbon species, etchant in the formation of stable graphene edge and passivator at graphene edge to boost multilayer graphene growth has been intensively investigated in the chemical vapor deposition graphene growth process. ...

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Controlling intermolecular aurophilicity in emissive dinuclear Au(I) materials and their luminescent response to ammonia vapour

02-Sep-2015 | Ryan J. Roberts; Debbie Le; Daniel B. Leznoff, Chemical Communication, 2015

The concept that hydrogen bonding cations can reduce the coulombic repulsion inherent to anionic gold species and thereby trigger aurophilicity is realized with three new photoluminescent compounds of the form [Q]2[Au2(i-mnt)2] (i-mnt = (CN)2C [[double bond, length as m-dash]] CS22−, Q = ...

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Highly Efficient Electrocatalytic Hydrogen Evolution from Neutral Aqueous Solution by Water-Soluble Anionic Cobalt(II) Porphyrin

27-Aug-2015 | Chen-Hsiung Hung; Belete Bedemo Beyene; Sandeep Babruwahan Mane, Chemical Communication, 2015

We report the uses of water-soluble anionic cobalt(II) tetrakis(p-sulfonatophenyl)porphyrin (CoTPPS) as a stable, active, and efficient catalyst for electrocatalytic H2 generation from neutral H2O without any organic additives. The molecule features nearly quantitative Faradaic efficiency with a ...

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N-doped carbon nanodots/np+-Si photocathodes for efficient photoelectrochemical hydrogen generation

27-Aug-2015 | Deliang Chen; Song Dai; Xiaodong Su; Yin Xin; Shuai Zou; Xusheng Wang; zhenhui kang; Mingrong Shen, Chemical Communication, 2015

Carbon nanodot treated by N2-plasma is an effective catalyst for solar-driven hydrogen-evolved-reaction on np+-Si photocathode and a support for Pt allowing for a reduction in Pt loading by a factor of about 3.5 while improving photoelectrochemical activity.

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Ultrathin HNbWO6 Nanosheets: Facile Synthesis and Enhanced Hydrogen Evolution Performance from Photocatalytic Water Splitting

26-Aug-2015 | Yuhao Liu; Jinhua xiong; Shuiguang Luo; Ruowen Liang; Na Qin; Shijing Liang; Ling Wu, Chemical Communication, 2015

Ultrathin monolayer HNbWO6 nanosheets have been successfully prepared through a simple and ultrafast ion intercalation assisted exfoliation method. These obtained highly dispersed nanosheets present enhanced photocatalytic hydrogen evolution activity than the prepared nanosheets by the ...

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Hydrogen storage in high surface area graphene scaffolds.

26-Aug-2015 | Alexey Klechikov; Guillaume Mercier; Tiva Sharifi; Igor Baburin; Gottard Seifert; Alexandr Talyzin, Chemical Communication, 2015

Using optimized KOH activation procedure we prepared highly porous graphene scaffold materials with SSA values up to 3400 m2/g and pore volume up to 2.2 cm3/g, which is among the highest for carbon materials. Hydrogen uptake of activated graphene samples was evaluated in a broad temperature ...

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A hydrogen bonded molecular capsule versus a 3D network of tripodal organopolysilanols

26-Aug-2015 | Marina Fukawa; Takayuki Sato; Yoshio Kabe, Chemical Communication, 2015

1,3,5-Triethylbenzene based tripodal trisilanols were synthesized. The X-ray crystal structures of trisilanols showed capsule formation as well as non-capsular network formation using silanol hydrogen bonds. The 1H NMR and ESI-mass spectroscopy experiments for solution state binding supported ...

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Phosphorus-Doped CoS2 Nanosheet Arrays as Ultra-efficient Electrocatalysts for Hydrogen Evolution Reaction

19-Aug-2015 | Shuangyin Wang; canbin ouyang; Xin Wang, Chemical Communication, 2015

In this work, we, for the first time, prepared phosphorus-doped cobalt disulfide nanosheets as highly advanced electrocatalysts for hydrogen evolution reaction. It was demonstrated that P doping could significantly enhance the electrocatalytic performance of CoS2 nanosheets in terms of onset ...

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Halogen bonding-enhanced electrochemical halide anion sensing by redox-active ferrocene receptors

12-Aug-2015 | Jason Yuan Chong Lim; Matthew J Cunningham; Jason J Davis; P D Beer, Chemical Communication, 2015

The first examples of halogen bonding redox-active ferrocene receptors and their anion electrochemical sensing properties are reported. Halogen bonding was found to significantly amplify the magnitude of the receptor metallocene redox-couple’s voltammetric response for halide sensing compared to ...

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