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Synthesis and characterisation of Li11RE18M4O39-d: RE = Nd or Sm; M = Al, Co or Fe

25-Nov-2015 | A R West; Yao-Chang Chen; Nik Reeves-McLaren; Chaou Tan; Paul Bingham; Sue Forder, Dalton Transactions, 2015

Four new phases of general formula, Li11RE18M4O39-δ : REM = NdAl, NdCo, SmCo, SmFe, have been synthesised and characterised. The NdCo phase also forms a solid solution with variable Li content (and charge compensation by either oxygen vacancies or variable transition metal oxidation state). The ...


Insight into Al existing form and its role on microstructure and properties of Cr1−xAlxN films

20-Nov-2015 | Yingying Fu, Hongxuan Li, Li Ji, Xiaohong Liu, Liu Liu, Huidi Zhou, Jianmin Chen, Surface and Interface Analysis, 2015

A series of Cr1−xAlxN (where x denotes the atom fraction of Al in Cr1−xAlxN film) films with different Al contents have been deposited by unbalanced reactive magnetron sputtering technique. The chemical composition, microstructure, surface morphology, cross‐sectional structure, mechanical ...


Efficient photo‐oxidation of guaiacol to organic acids with hydrogen peroxide by microwave discharge electrodeless lamp

18-Nov-2015 | Dajie Zhang, Binzhe Sun, Lian Duan, Yufang Tao, Aihua Xu, Xiaoxia Li, Chemical Engineering & Technology, 2015

Abstract The production of chemicals from lignin by green and sustainable technologies is a promising alternative route to replace fossil fuels. In this report, the photo‐oxidation of guaiacol, a model of lignin, to value‐added carboxylic acids with microwave discharge electrodeless lamp as ...


Hydrogen Peroxide Complex of Zinc

17-Nov-2015 | Christian M. Wallen; John Bacsa; Christopher C. Scarborough, Journal of the American Chemical Society, 2015

Metal(H2O2) complexes have been implicated in kinetic and computational studies but have never been observed. Accordingly, H2O2 has been described as a very weak ligand. We report the first metal(H2O2) adduct, which is made possible by incorporating intramolecular hydrogen-bonding interactions ...


Photoinduced 1,2,3,4-tetrahydropyridine ring conversions

11-Nov-2015 | Baiba Turovska, Henning Lund, Viesturs Lūsis, Anna Lielpētere, Edvards Liepiņš, Sergejs Beljakovs, Inguna Goba and J ..., Beilstein Journal of Organic Chemistry, 2015

Abstract Stable heterocyclic hydroperoxide can be easily prepared as a product of fast oxidation of a 1,2,3,4-tetrahydropyridine by 3O2 if the solution is exposed to sunlight. The driving force for the photoinduced electron transfer is calculated from electrochemical and spectroscopic data. The ...


Connecting mononuclear dysprosium single-­molecule magnets to form dinuclear complexes via in situ ligand oxidation

10-Nov-2015 | Nathan Yutronkie; Irina Kuehne; Ilia Korobkov; Jaclyn L Brusso; Muralee Murugesu, Chemical Communication, 2015

A dinuclear dysprosium complex, exhibiting SMM behaviour, and its yttrium analogue were prepared via in situ oxidation of Py2TTA, a pincer type ligand, followed by dimerisation. This unique metal complexation and subsequent dimerization was followed by solution NMR studies.


Self‐Assembly of Hexameric Macrocycles from PtII/Ferrocene Dimetallic Subunits – Synthesis, Characterization, Chemical Reactivity, and Oxidation Behavior

09-Nov-2015 | Antonino Giannetto, Fausto Puntoriero, Anna Notti, Melchiorre F. Parisi, Ileana Ielo, Francesco Nastasi, Giuseppe Br ..., European Journal of Inorganic Chemistry, 2015

Abstract New compounds Ia–h of the form [(Me2SO)ClPt(HR2DTO κ‐S,S Pt)] (HR2DTO = secondary dithiooxamide, with R = methyl, ethyl, n‐propyl, n‐butyl, n‐decyl, isopropyl, (R)‐1‐phenylethyl, or (S)‐2‐hydroxypropyl; κ‐S,S Pt denotes the coordination of the DTO moiety to the Pt atom) have been ...


Self‐Supported Cobalt Phosphide Mesoporous Nanorod Arrays: A Flexible and Bifunctional Electrode for Highly Active Electrocatalytic Water Reduction and Oxidation

06-Nov-2015 | Yun‐Pei Zhu, Yu‐Ping Liu, Tie‐Zhen Ren, Zhong‐Yong Yuan, Advanced Functional Materials, 2015

Water splitting for the production of hydrogen and oxygen is an appealing solution to advance many sustainable and renewable energy conversion and storage systems, while the key fact depends on the innovative exploration regarding the design of efficient electrocatalysts. Reported herein is the ...


Aggregation of a Crown Ether Decorated Zinc–Phthalocyanine by Collision-Induced Desolvation of Electrospray Droplets

05-Nov-2015 | Ina D. Kellner; Uwe Hahn; Maximilian Dürr; Tomás Torres; Ivana Ivanović-Burmazović; Thomas Drewello, Journal of Physical Chemistry A, 2015

The aggregation of phthalocyanines is well-known in solution but has never before been studied in the gas phase. We investigated the tetra-[18]crown-6 ether functionalized zinc–phthalocyanine (ZnPcTetCr, M) with electrospray ionization mass spectrometry (ESI-MS) in the absence of coordinating ...


Fabrication of Two‐Dimensional Lateral Heterostructures of WS2/WO3⋅H2O Through Selective Oxidation of Monolayer WS2

23-Oct-2015 | Pengshang Zhou, Qun Xu, Hongxiang Li, Yun Wang, Bo Yan, Yunchun Zhou, Jiafu Chen, Jianan Zhang, Kaixi Wang, Angewandte Chemie International Edition, 2015

Abstract Two‐dimensional (2D) lateral heterostructures have emerged as a hot topic in the fast evolving field of advanced functional materials , but their fabrication is challenging. The layer‐structured WS2 was theoretically demonstrated to be inert to oxidation except for the monolayer, ...


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