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43.257 Aktuelle Fachpublikationen zum Thema temperature

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ZnS Anisotropic Nanocrystals by One-Pot Low Temperature Synthesis

21.10.2014 | Aude Buffard; Brice Nadal; Hadrien Heuclin; Gilles Patriarche; Beniot Dubertret, New Journal of Chemistry, 2014

We report a simple, low temperature and scalable synthesis performed under air of wurtzite ZnS anisotropic nanocrystals. Reaction between a zinc salt (nitrate or chloride) with thioacetamide and amines at 60°C yields ZnS nanoplatelets or nanowires absorbing in the ultra-violet region with a full ...

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Promoting alkali and alkaline-earth metals on MgO for enhancing CO2 capture by first-principles calculations

21.10.2014 | Kiwoong Kim; Jeong Woo Han; Kwang Soon Lee; Won Bo Lee, Physical Chemistry Chemical Physics, 2014

Developing next-generation solid sorbents to improve the economy of pre- and post-combustion carbon capture processes has been challenging for many researchers. Magnesium oxide (MgO) is a promising sorbent because of its moderate sorption–desorption temperature and low heat of sorption. However, ...

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Functional spinel oxide heterostructures on silicon

21.10.2014 | Romain BACHELET; Patricia de Coux; Bénédicte Warot-Fonrose; Vassil Skumryev; Gang Niu; Bertrand Vilquin; Guillaume S ..., CrystEngComm, 2014

Novel spinel heteroepitaxial structures composed of ferrimagnetic spinel CoFe2O4 (CFO) and ultrathin gamma-Al2O3 buffer-layers are integrated on Si(111). Flat (111)-oriented epitaxial CFO films with only two in-plane domains induced by gamma-Al2O3 are ferromagnetic at room temperature with high ...

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Fabrication of porous Co3O4 nanowires with high CO sensing performance at a low operating temperature

21.10.2014 | Zhifeng Dou; Changyan Cao; Yong Chen; Weiguo Song, Chemical Communication, 2014

The porous Co3O4 nanowires were fabricated using a fluoride anion-assisted hydrothermal and controlled annealing route. The nanowires showed superior CO gas-sensing performances, such as high selectivity against CO and optimal sensing activity at a relatively low operating temperature (Top ≤ 100 ...

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Living Supramolecular Compounds: Influence of Multiple Hydrogen Bond Connection on Molecular Configuration of Monophosphate or Pyrophosphate Thiamine with Anions or Coordination Anions

20.10.2014 | Xiao Xi Zhang, Rui Zhang, Qiao Sun, Si Yue Wei, Xue Ting Xu, Ji Xiao Wang, Feng Ying Bai, Yong Heng Xing, Zeitschrift für anorganische und allgemeine Chemie, 2014

Abstract Three supramolecular compounds with monophosphate or pyrophosphate esters of thiamine, namely, [TPPH+·CF3SO3·H2O] (1), [TMPH+·(CdCl4)0.5·2H2O] (2), and [TMPH+·NO3·2.5H2O] (3) (TPP = thiamine pyrophosphate, TMP = thiamine monophosphate) were synthesized in methanol or water systems at ...

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Efficient Coupling of Solar Energy to Catalytic Hydrogenation by Using Well‐Designed Palladium Nanostructures

20.10.2014 | Ran Long, Zhoulv Rao, Keke Mao, Yu Li, Chao Zhang, Qiliang Liu, Chengming Wang, Zhi‐Yuan Li, Xiaojun Wu, Yujie Xiong, Angewandte Chemie International Edition, 2014

Abstract A Ru3+‐mediated synthesis for the unique Pd concave nanostructures, which can directly harvest UV‐to‐visible light for styrene hydrogenation, is described. The catalytic efficiency under 100 mW cm−2 full‐spectrum irradiation at room temperature turns out to be comparable to that of ...

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Efficient Coupling of Solar Energy to Catalytic Hydrogenation by Using Well‐Designed Palladium Nanostructures

20.10.2014 | Ran Long, Zhoulv Rao, Keke Mao, Yu Li, Chao Zhang, Qiliang Liu, Chengming Wang, Zhi‐Yuan Li, Xiaojun Wu, Yujie Xiong, Angewandte Chemie, 2014

Abstract A Ru3+‐mediated synthesis for the unique Pd concave nanostructures, which can directly harvest UV‐to‐visible light for styrene hydrogenation, is described. The catalytic efficiency under 100 mW cm−2 full‐spectrum irradiation at room temperature turns out to be comparable to that of ...

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Lanthanides and Actinides: Annual Survey of their Organometallic Chemistry Covering the Year 2013

19.10.2014 | Author(s): Frank T. Edelmann, Coordination Chemistry Reviews, 2014

Publication date: Available online 14 October 2014 Source:Coordination Chemistry Reviews Author(s): Frank T. Edelmann This review summarizes the progress in organo-f-element chemistry during the year 2013. The year 2013 witnessed a significant increase of contributions in the fields of ...

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Chiral recognition of Propranolol enantiomers by β-Cyclodextrin: quantum chemical calculation and molecular dynamics simulation studies

19.10.2014 | Author(s): Mohammad Hadi Ghatee , Tahereh Sedghamiz, Chemical Physics, 2014

Publication date: Available online 15 October 2014 Source:Chemical Physics Author(s): Mohammad Hadi Ghatee , Tahereh Sedghamiz Enantiomeric recognition of Propranolol by complexation with β-Cyclodextrine was studied by PM3 method and molecular dynamics (MD) simulation. Gas phase results ...

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Separation of Peanut Protein by Reverse Micelles: Optimization of the Forward Extraction

18.10.2014 | Xiaoyan Zhao, Jun Chen, Xiangyan Chen, Xianchang Wang, Yifeng Wang, Journal of Food Processing and Preservation, 2014

Abstract Bis(2‐ethylhexyl) sodium sulfosuccinate (AOT) reverse micelles were applied to extract the protein from peanut cake. In this study, the effect of temperature, amounts of peanut cake flour, particle size of peanut cake flour, pH, water content (W0), KCl concentration and time on the ...

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