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Highly Porous Materials as Tunable Electrocatalysts for the Hydrogen and Oxygen Evolution Reaction

22-11-2014 | Marc Ledendecker, Guylhaine Clavel, Markus Antonietti, Menny Shalom, Advanced Functional Materials, 2014

The facile preparation of highly porous, manganese doped, sponge‐like nickel materials by salt melt synthesis embedded into nitrogen doped carbon for electrocatalytic applications is shown. The incorporation of manganese into the porous structure enhances the nickel catalyst's activity for the ...

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Destabilization of Thiolated Gold Clusters for the Growth of Single‐Crystalline Gold Nanoparticles and Their Self‐Assembly for SERS Detection

21-11-2014 | Guijian Guan, Michelle Low, Shuhua Liu, Yongqing Cai, Shuangyuan Zhang, Dongsheng Geng, Cui Liu, Zhongping Zhang, Yu ..., Particle & Particle Systems Characterization, 2014

Thiolate‐protected gold nanoclusters with high chemical stability are exploited extensively for fundamental research and utility in chosen applications. Here for the first time, the controlled destabilization of extraordinarily stable thiolated gold clusters for the growth of single‐crystalline ...

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Facile Dispersion and Control of Internal Structure in Lyotropic Liquid Crystalline Particles by Auxiliary Solvent Evaporation

21-11-2014 | Isabelle Martiel; Laurent Sagalowicz; Stephan Handschin; Raffaele Mezzenga, Langmuir, 2014

Submicron sized, structured lyotropic liquid crystalline (LLC) particles, so-called hexosomes and cubosomes, are generally obtained by high energy input dispersion methods, notably ultrasonication and high-pressure emulsification. We present a method to obtain dispersions of such LLC particles ...

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Efficient Handling of Gaussian Charge Distributions: An Application to Polarizable Molecular Models

21-11-2014 | Péter T. Kiss; Marcello Sega; András Baranyai, Journal of Chemical Theory and Computation, 2014

We present a mesh-based Ewald summation method that is suitable for the calculation of the electrostatic interaction between Gaussian charge distributions, instead of point charges. As an application, we implemented the method in the Gromacs simulation package and tested it with a polarizable ...

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Improving the performance of fluoroprotein foam in extinguishing gasoline pool fires with addition of bromofluoropropene

20-11-2014 | Mei Zhao, Xiaomin Ni, Shaogang Zhang, Wei Cao, Yu Guan, Canjun Liang, Xishi Wang, Heping Zhang, Fire and Materials, 2014

SUMMARY The fluoroprotein foam is one of the most widely used fire suppressants for its low cost, low toxicity and biodegradability. However, its fire extinguishing performance is limited. In this article, fluoroprotein foam was combined with a clean and degradable fire suppressant of ...

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Solution Processable MOF Yellow Phosphor with Exceptionally High Quantum Efficiency

19-11-2014 | Qihan Gong; Zhichao Hu; Benjamin J. Deibert; Thomas J. Emge; Simon J. Teat; Debasis Banerjee; Brianna Mussman; Natha ..., Journal of the American Chemical Society, 2014

An important aspect in the research and development of white light-emitting diodes (WLEDs) is the discovery of highly efficient phosphors free of rare-earth (RE) elements. Herein we report the design and synthesis of a new type of RE-free, blue-excitable yellow phosphor, obtained by combining a ...

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Synthesis and Characterization of the Platinum-Substituted Keggin Anion α-H2SiPtW11O404–

19-11-2014 | Peter Klonowski; James C. Goloboy; Fernando J. Uribe-Romo; Furong Sun; Lingyang Zhu; Felipe Gándara; Corinne Wills; ..., Inorganic Chemistry, 2014

Acidification of an aqueous solution of K8SiW11O39 and K2Pt(OH)6 to pH 4 followed by addition of excess tetramethylammonium (TMA) chloride yielded a solid mixture of TMA salts of H2SiPtW11O404– (1) and SiW12O404– (2). The former was separated from the latter by extraction into an aqueous solution ...

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Linear-g-hyperbranched and cyclodextrin-based amphiphilic block copolymer as a multifunctional nanocarrier

18-11-2014 | Yamei Zhao, Wei Tian, Guang Yang and Xiaodong Fan, Beilstein Journal of Organic Chemistry, 2014

Abstract In this paper, a novel, multifunctional polymer nanocarrier was designed to provide adequate volume for high drug loading, to afford a multiregion encapsulation ability, and to achieve controlled drug release. An amphiphilic, triblock polymer (ABC) with hyperbranched polycarbonsilane ...

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Synthesis, Crystal Structure, and Biological Activities of Two Chiral Mononuclear Mn(III) Complexes

18-11-2014 | Bi‐Wei Wang, Lin Jiang, Si‐Sheng Shu, Bo‐Wen Li, Zhang Dong, Wen Gu, Xin Liu, Jin‐Lei Tian, Chirality, 2014

ABSTRACT Two new chiral mononuclear Mn(III) complexes, [MnL(R)Cl (C2H5OH)]•C2H5OH (1) and [MnL(S) (CH3OH)2]Cl•CH3OH (2), {H2L = (R,R)‐or (S,S)‐N,N’‐bis‐(2‐hydroxy‐1‐naphthalidehydene)‐cyclohexanediamine} were synthesized and characterized by various physicochemical techniques. Bond valence sum ...

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Neutral Luminescent Bis(bipyridyl) Osmium(II) Complexes with Improved Phosphorescent Properties

17-11-2014 | Wing-Kin Chu; Shek-Man Yiu; Chi-Chiu Ko, Organometallics, 2014

A new class of neutral bis(isocyanoborato) bis(bipyridyl) Os(II) complexes with the general formula of [Os(N–N)2(CNBR3)2] (N–N = bpy, 4,4′-Me2bpy; R = C6F5, C6H5) were prepared with simple synthetic methodologies. One of these complexes was structurally characterized by X-ray crystallography. ...

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