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47.381 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 ...


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 ...


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 ...


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 ...


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 ...


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 ...


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 ...


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


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 ...


The Effect of the Gas-Solid Contacting Pattern in a High-Temperature Thermochemical Energy Storage on the Performance of a Concentrated Solar Power Plant

02.02.2016 | Stefan Ströhle; Andreas Haselbacher; Zoran R Jovanovic; Aldo Steinfeld, Energy & Environmental Science, 2016

This work investigates how the gas-solid contacting pattern in a thermochemical energy storage charged and discharged by air as the heat transfer fluid influences (1) the integration of the storage into a concentrated solar power plant and (2) the performance of the power plant. The investigation ...


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