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50.435 Aktuelle Fachpublikationen zum Thema temperature

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Deuteron NMR resolved mesogen vs. crosslinker molecular order and reorientational exchange in liquid single crystal elastomers

03.02.2016 | J. Milavec; V. Domenici; B. Zupančič; A. Rešetič; A. Bubnov; B. Zalar, Physical Chemistry Chemical Physics, 2016

Differences in the temperature behaviour of orientational ordering of structurally equivalent side-chain liquid single crystal elastomers (LSCEs) with 2H-labelled crosslinker and mesogen have been studied by deuteron quadrupole-perturbed NMR. The impact of nematic director reorientations on the ...

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Molecular Dynamics Study of Wetting Behavior of Grafted Thermo-responsive PNIPAAm Brushes

02.02.2016 | Debdip Bhandary; Zuzana Benkova; Maria Natália Dias Soeiro Cordeiro; Jayant K Singh, Soft Matter, 2016

In this work, the effect of temperature on the contact angle of a water droplet on the grafted thermo-responsive polymer poly–(N-isopropylacrylamide) (PNIPAAm) brushes is studied using all-atom molecular dynamics simulations in the temperature range of 270 K-330 K. A shift from 55º to 65º in ...

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Chemical synthesis of germanium nanoparticles with uniform size as anode materials for lithium ion batteries

02.02.2016 | Liangbiao Wang; Keyan Bao; Zhengsong Lou; Guobing Liang; Quanfa Zhou, Dalton Transactions, 2016

A simple Mg-thermal reduction reaction is reported to synthesize germanium (Ge) nanoparticles with a uniform size at a low temperature of 400 °C in an autoclave. The as-prepared Ge nanoparticles exhibit promising anode applications in lithium ion batteries with high capacity and excellent cycling ...

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KI-induced Synthesis of Highly Connected 3D KI-LnIII Heterobimetallic MOFs: Temperature-dependent Structure and Physical properties

02.02.2016 | Yun Li; Ning Wang; JieYi Huang; FeiHua Zhang; YanJv Xiong; Qian Cheng; Jiefang Fang; Feifei Zhu; Yi Long; shantang Yue, CrystEngComm, 2016

ABSTRACT: Four temperature-dependent KI-induced KI-LnIII heterometallic coordination polymers, {[LnK(OBA)2(µ2-OH2)]·4H2O}n (Ln=Tb(1), Dy(2), H2OBA=4,4′-oxybisbenzoic acid) and {[Ln3K(OBA)4(µ2-HCOO)(µ3-HCOO)2]·2H2O}n (Ln=Tb(3), Dy(4)), have been synthesized under hydrothermal conditions by ...

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Sensitivity of lysozyme crystallization to temperature variation[dagger]

02.02.2016 | Yong-Ming Liu; Hai-Sheng Li; Zi-Qing Wu; Rui-Qing Chen; Qin-Qin Lu; Yun-Zhu Guo; Chen-Yan Zhang; Da-Chuan Yin, CrystEngComm, 2016

Environments with varying temperatures have been shown to beneficially increase the probability of obtaining protein crystals. Therefore, a cycling temperature strategy (CTS) has been proposed for protein crystallization screening. During the practical application of this strategy, it is ...

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Phosphidoboratabenzene–rhodium(I) complexes as precatalysts for the hydrogenation of alkenes at room temperature and atmospheric pressure

02.02.2016 | Viridiana Perez; Pierre Audet; Wenhua Bi; Frédéric-Georges Fontaine, Dalton Transactions, 2016

The di-tert-butylphosphido-boratabenzene ligand (DTBB) reacts with [(C2H4)2RhCl]2 yielding the dimeric species [(C2H4)Rh(DTBB)]2 (1). This species was fully characterized by multinuclear NMR and X-ray crystallography. Complex 1 readily dissociates ethylene in solution and upon exposure to 1 atm ...

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Metal-organic framework MIL-101 supported bimetallic Pd-Cu Nanocrystals as an efficient catalyst for Chromium Reduction and Conversion of Carbon Dioxide at Room Temperature.

02.02.2016 | Manoj Trivedi; Bhaskaran Yadav; Akshay Kumar; Gurmeet Singh; Abhinav Kumar; Nigam P Rath, New Journal of Chemistry, 2016

This paper reports a series of bimetallic Pd-Cu nanocrystals (NCs) supported on the zeolite-type metal-organic framework MIL-101 to yield Pd-Cu/MIL-101 nanocomposites by a double solvents method. The obtained composites, Pd-Cu/MIL-101 are 5.5-11 nm and supported on the surface of the MIL-101. TEM ...

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Structural differences between Sb- and Nb-doped tin oxides and consequences for electrical conductivity

02.02.2016 | Emma Oakton; Jérémy Tillier; Georges Siddiqi; Zlatko Mickovic; Olha Sereda; Alexey Fedorov; Christophe Copéret, New Journal of Chemistry, 2016

Sb- and Nb-doped tin oxides have been prepared by a co-precipitation method. Whilst X-ray powder diffraction and EDX mapping indicate similar dopant distributions, more detailed characterisation by variable high-temperature XRD, 119Sn MAS NMR and Nb K-edge X-ray absorption near edge structure ...

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Local heteroepitaxial growth to promote the selective growth orientation, crystallization and interband transition of sputtered NiO thin films

02.02.2016 | Yong Wang; Jaafar Ghanbaja; Stéphanie Bruyère; Pascal Boulet; F. Soldera; David Horwat; Frank Mücklich; Jean-Françoi ..., CrystEngComm, 2016

The room temperature growth of highly <111

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Luminescence, energy transfer and tunable color of Ce3+, Dy3+/Tb3+ doped BaZn2(PO4)2 phosphors

02.02.2016 | Luxiang Wang; Mengjiao Xu; Hongyang Zhao; dianzeng jia, New Journal of Chemistry, 2016

Ce3+, Dy3+ and Tb3+ doped BaZn2(PO4)2 phosphors were prepared by a high temperature solid state reaction route. The crystal structure, photoluminescence properties, decay lifetime, luminous efficiency and thermal stability of the phosphors were investigated. The mechanism of Ce3+-Dy3+/Tb3+ energy ...

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