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First-order phase transition in the Li2B12H12 system

28-08-2013 | Mark Paskevicius; Mark P. Pitt; David H Brown; Drew A Sheppard; Somwan Chumphongphan; Craig Buckley, Physical Chemistry Chemical Physics, 2013

The thermal decomposition of anhydrous Pa-3 Li2B12H12 was studied in-situ by high resolution synchrotron X-ray diffraction. A first-order phase transition can be observed at 355°C where the unit cell volume expands by ca. 8.7%. The expanded β-Li2B12H12 polymorph then simultaneously decomposes to ...

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From cyanate to cyanurate: cyclotrimerization reactions towards the novel family of metal cyanurates

28-08-2013 | Markus Kalmutzki; Markus Ströbele; H.-Jürgen Meyer, Dalton Transactions, 2013

The novel metal cyanurates LiSr(O3C3N3) and Li3Sr2F(O3C3N3)2 were prepared by exothermic solid state metathesis reactions and characterized by single crystal X-ray diffraction. Crystalline powders were prepared by reactions of alkali earth halides (SrCl2 and SrF2) with Li(OCN) in 1 [ ] : [ ] 3 ...

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Zinc hydroxide sulphate and its transformation to crystalline zinc oxide

28-08-2013 | Amir Moezzi; Michael B. Cortie; Andrew M. McDonagh, Dalton Transactions, 2013

The thermal transformation of zinc hydroxide sulphate hydrate to zinc oxide has been examined using synchrotron X-ray diffraction, thermogravimetric analysis, scanning electron microscopy, and surface area measurements. By collecting X-ray diffraction data in situ, we found that the dehydration ...

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A facile method for synthesis of N-doped ZnO mesoporous nanospheres and enhanced photocatalytic activity

28-08-2013 | DongEn Zhang; JunYan Gong; JuanJuan Ma; GuiQuan Han; ZhiWei Tong, Dalton Transactions, 2013

A facile synthesis route is reported for preparation of N-doped mesoporous ZnO nanospheres by a solvothermal treatment of Zn(NO3)2•6H2O that provides a source of both zinc and nitrogen. A variety of different spectroscopic and analytical techniques, such as powder X-ray diffraction (XRD), ...

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Characterization of Pt-doped SnO2 catalyst for a high-performance micro gas sensor

28-08-2013 | Naoyoshi Murata; Kiyotaka Asakura; Takuya Suzuki; Makoto Kobayashi; Fumiaki Togoh, Physical Chemistry Chemical Physics, 2013

The atomic scale structure and its dependence on Pt concentration of a Pt-doped SnO2 (Pt/SnO2 ) thin film produced by a sputter-deposition method was investigated,which showed a high-performance methane gas sensor. Extended X-ray absorption fine structure (EXAFS) and X-ray diffraction (XRD) ...

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Fabricating multifunctional silver nanoparticles-coated cotton fabric

26-08-2013 | Author(s): Mohammad Shateri-Khalilabad , Mohammad E. Yazdanshenas , Ali Etemadifar, Arabian Journal of Chemistry, 2013

Publication date: Available online 25 August 2013 Source:Arabian Journal of Chemistry Author(s): Mohammad Shateri-Khalilabad , Mohammad E. Yazdanshenas , Ali Etemadifar Silver nanoparticles with high density coating were formed on the surface of cotton fabric through pre-activation by ...

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Photocatalytic Decomposition of Dyes Using ZnO Doped SnO2 nanoparticles Prepared by Solvothermal Method

26-08-2013 | Author(s): Mohamed M. Rashad , Adel A. Ismail , I. Osama , I.A. Ibrahim , Abdel-Hakim T. Kandil, Arabian Journal of Chemistry, 2013

Publication date: Available online 25 August 2013 Source:Arabian Journal of Chemistry Author(s): Mohamed M. Rashad , Adel A. Ismail , I. Osama , I.A. Ibrahim , Abdel-Hakim T. Kandil ZnO doped SnO2 has been successfully synthesized by solvothermal method using methanol as organic ...

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Rare-earth manganese germanides RE2+xMnGe2+y (RE=La, Ce) built from four-membered rings and stellae quadrangulae of Mn-centred tetrahedra

26-08-2013 | Author(s): Anton O. Oliynyk , Arthur Mar, Journal of Solid State Chemistry, 2013

Publication date: October 2013 Source:Journal of Solid State Chemistry, Volume 206 Author(s): Anton O. Oliynyk , Arthur Mar Reactions of the elements through arc-melting and annealing at 800°C have led to the ternary rare-earth manganese germanides RE 2+x MnGe2+y (RE=La, Ce). The ...

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Technetium and rhenium pentacarbonyl perchlorates: Structure and reactivity

26-08-2013 | Author(s): A.E. Miroslavov , V.V. Gurziy , M.Yu. Tyupina , A.A. Lumpov , G.V. Sidorenko , Yu.S. Polotskii , D. ..., Journal of Organometallic Chemistry, 2013

Publication date: 15 November 2013 Source:Journal of Organometallic Chemistry, Volumes 745–746 Author(s): A.E. Miroslavov , V.V. Gurziy , M.Yu. Tyupina , A.A. Lumpov , G.V. Sidorenko , Yu.S. Polotskii , D.N. Suglobov Carbonyl perchlorates [M(ClO4)(CO)5] (M=Tc, Re) were prepared by ...

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Syntheses and structural characterization of new heteroleptic 1,1′-bis(diphenylphosphino)ferrocene-dithio complexes of Ni, Pd and Pt: Their uses as sensitizers in TiO2 dye sensitized solar cells

26-08-2013 | Author(s): Santosh K. Singh , Ratna Chauhan , Kiran Diwan , Michael G.B. Drew , Lal Bahadur , Nanhai Singh, Journal of Organometallic Chemistry, 2013

Publication date: 15 November 2013 Source:Journal of Organometallic Chemistry, Volumes 745–746 Author(s): Santosh K. Singh , Ratna Chauhan , Kiran Diwan , Michael G.B. Drew , Lal Bahadur , Nanhai Singh A series of new heteroleptic complexes of the form [M(dppf)L] [where ...

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