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22,139 Newest Publications about the topic solution
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Thermodynamic control of oxidative addition and reductive elimination processes in cis-bis(dimethoxyboryl)-bis(tricyclohexylphosphine)platinum(II)
15-05-2013 | Holger Braunschweig; Alexander Damme, Chemical Communication, 2013
cis-[(Cy3P)2Pt{B(OMe)2}2] (1) was obtained in quantitative yield and fully characterised. The thermal stability of 1 was investigated in solution using multinuclear NMR spectroscopy revealing a hitherto unknown temperature-dependent equilibrium between 1 and the corresponding starting ...
Electronic Excitation and Structural Relaxation of the Adenine Dinucleotide in Gas Phase and Solution
15-05-2013 | Felix Plasser; Hans Lischka, Photochemical & Photobiological Sciences, 2013
The excited states and potential surfaces of the adenine dinucleotide are analyzed in gas phase and solution using correlated ab-initio methodology in a QM/MM framework. In agreement with previous studies a rather flat S1 surface with a number of minima of different character is found. ...
Rechargeability of Li-air cathodes pre-filled with discharge products using an ether based electrolyte solution: implications for cycle-life of Li-air cells
15-05-2013 | Nikolaos Tsiouvaras; Stefano Meini; K. Uta Schwenke; Michele Piana; Hans Beyer; Lukas Lange; Hubert A. Gasteiger, Physical Chemistry Chemical Physics, 2013
The instability of currently used electrolyte solutions and of the carbon support during charge/discharge in non-aqueous lithium-oxygen cells can lead to discharge products other than the desired Li2O2, such as Li2CO3, which is believed to reduce cycle-life. Similarly, discharge in ...
Determinations of the mass-transport properties of vanadium ions through the porous electrodes of vanadium redox flow batteries
15-05-2013 | Qian Xu; Tim S. Zhao, Physical Chemistry Chemical Physics, 2013
This work is concerned with the determination of two critical constitutive properties for mass transport of ions through porous electrodes saturated with a liquid electrolyte solution. One is the effective diffusivity that is required to model the mass transport at the representative element ...
Profiling intact steroid sulfates and unconjugated steroids in biological fluids by liquid chromatography-tandem mass spectrometry (LC-MS-MS)
15-05-2013 | Christina E. Galuska; Michaela F. Hartmann; Alberto Sánchez-Guijo; Katharina Bakhaus; Joachim Geyer; Gerhard Schuler ..., Analyst, 2013
Within the combined DFG research project “Sulfated Steroids in Reproduction” an analytical method was needed for determining sulfated and unconjugated steroids with highest specificity out of different biological matrices such as aqueous solution, cell lysate and serum. With regard to this ...
Iridium(III) complexes with enhanced film amorphism as guests for efficient orange solution-processed single-layer PhOLEDs with low efficiency roll-off
15-05-2013 | Jun Dai; Kaifeng Zhou; Ming Li; Huiqin Sun; Yunqing Chen; Shi-Jian Su; XueMei Pu; Yan Huang; Zhiyun Lu, Dalton Transactions, 2013
By introducing phenyl substituent into the meta-site of phenyl segment of 2-phenylbenzothiazole ligand, two novel orange iridium(III) complexes, namely, (3Phbt)2Ir(acac) and (3OMePhbt)2Ir(acac), have been synthesized. Compared with their parent compound (bt)2Ir(acac), both of them possess ...
Artificial micro-cinderella based on self-propelled micromagnets for the active separation of paramagnetic particles
15-05-2013 | Guanjia Zhao; Hong Wang; Samuel Sanchez; Oliver G. Schmidt; Martin Pumera, Chemical Communication, 2013
In this work, we will show that ferromagnetic microjets can pick-up paramagnetic beads while not showing any interaction with diamagnetic silica microparticles for the active separation of microparticles in solution.
pH in Atomic Scale Simulations of Electrochemical Interfaces
15-05-2013 | Jan Rossmeisl; Karen Chan; Rizwan Ahmed; Vladimir Tripkovic; Marten Bjorketun, Physical Chemistry Chemical Physics, 2013
Electrochemical reaction rates can strongly depend on pH, and there is increasing interest in electrocatalysis in alkaline solution. Up until now, no method has been devised to address pH in atomic scale simulations. We present a simple method to determine the atomic structure of the ...
Robust switching characteristics in CdSe/ZnS quantum dot non-volatile memory device
15-05-2013 | Kannan Vasudevan; Jin-Koo Rhee, Physical Chemistry Chemical Physics, 2013
In this paper we report Al/CdSe-ZnS core-shell quantum dot/AlOx/ CdSe-ZnS core-shell quantum dot /ITO based non-volatile resistive memory device with ON/OFF ratio ~ 1000. The facile solution processed device exhibited excellent endurance characteristics for 200,000 switching cycles. Retention ...
Intramolecular Halogen–Halogen Bonds?
15-05-2013 | Mikael P. Johansson; Marcel Swart, Physical Chemistry Chemical Physics, 2013
By analysing the properties of the electron density in the structurally simple perhalogenated ethanes, X3C–CY3 (X, Y = F, Cl), a previously overlooked non-covalent attraction between halogens attached to opposite carbon atoms is found. Quantum chemical calculations extrapolated towards the ...
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