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2.143 Aktuelle Fachpublikationen zum Thema temperature

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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 ...

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Hydrothermal synthesis and photocatalytic properties of pyrochlore Sm2Zr2O7 nanoparticles

31.01.2016 | Author(s): Qi Wang, Xingwang Cheng, Jingbo Li, Haibo Jin, Journal of Photochemistry and Photobiology A: Chemistry, 2016

Publication date: 1 May 2016 Source:Journal of Photochemistry and Photobiology A: Chemistry, Volume 321 Author(s): Qi Wang, Xingwang Cheng, Jingbo Li, Haibo Jin Pyrochlore Sm2Zr2O7 nanoparticles were synthesized by a facile hydrothermal method and their photocatalytic properties ...

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Effects of amorphous poly(3‐hexylthiophene) on active‐layer structure and solar cells performance

30.01.2016 | Chung‐Hao Liu, Wei‐Hsuan Tseng, Chih‐Yang Cheng, Chih‐I Wu, Pi‐Tai Chou, Shih‐Huang Tung, Journal of Polymer Science Part B: Polymer Physics, 2016

ABSTRACT A key challenge to the development of polymer‐based organic solar cells is the issue of long‐term stability, which is mainly caused by the unstable time‐dependent morphology of active layers. In this study, poly(3‐hexylthiophene) (P3HT)/[6,6]‐phenyl C60‐butyric acid methyl ester ...

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Mechanochemical Synthesis, Photophysical Properties, and X‐ray Structures of N‐Heteroacenes

29.01.2016 | Prasit Kumar Sahoo, Chandan Giri, Tuhin Subhra Haldar, Rakesh Puttreddy, Kari Rissanen, Prasenjit Mal, European Journal of Organic Chemistry, 2016

Abstract The described mechanochemical methodology is an example of a proof‐of‐concept in which solution‐based tedious, poor yielding, and difficult syntheses of pyrazaacenes are achieved under solvent‐free ball‐milling conditions; the method is easy, high yielding, time‐efficient, and ...

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Removal of SO2 from Flue Gas Using Basic Aluminum Sulfate Solution with the Byproduct Oxidation Inhibition by Ethylene Glycol

29.01.2016 | Min Chen; Xianhe Deng; Feiqiang He, Energy & Fuels, 2016

This paper presents a novel wet flue gas desulfurization (FGD) technology based on a basic aluminum sulfate (BAS) desorption regeneration process, in which ethylene glycol (EG) was first employed to inhibit the byproduct oxidation. The operating parameter effect on SO2 absorption efficiency and ...

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Simultaneous Study of Brownian and Néel Relaxation Phenomena in Ferrofluids by Mössbauer Spectroscopy

27.01.2016 | J. Landers; S. Salamon; H. Remmer; F. Ludwig; H. Wende, Nano Letters, 2016

We demonstrate the ability of Mössbauer spectroscopy to simultaneously investigate Brownian motion and Néel relaxation in ferrofluidic samples. For this purpose, Mössbauer spectra of coated iron oxide nanoparticles with core diameters of 6.0–26.4 nm dissolved in 70 vol % glycerol solution were ...

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A Model for the Active-Site Formation Process in DMSO Reductase Family Molybdenum Enzymes Involving Oxido−Alcoholato and Oxido−Thiolato Molybdenum(VI) Core Structures

27.01.2016 | Hideki Sugimoto; Masanori Sato; Kaori Asano; Takeyuki Suzuki; Kaoru Mieda; Takashi Ogura; Takashi Matsumoto; Logan J ..., Inorganic Chemistry, 2016

New bis(ene-1,2-dithiolato)-oxido–alcoholato molybdenum(VI) and -oxido–thiolato molybdenum(VI) anionic complexes, denoted as [MoVIO(ER)L2]– (E = O, S; L = dimethoxycarboxylate-1,2-ethylenedithiolate), were obtained from the reaction of the corresponding dioxido-molybdenum(VI) precursor complex ...

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Novel polyurethane‐based thermosensitive hydrogels as drug release and tissue engineering platforms: design and in vitro characterization

25.01.2016 | Monica Boffito, Emilia Gioffredi, Valeria Chiono, Stefano Calzone, Elia Ranzato, Simona Martinotti, Gianluca Ciardelli, Polymer International, 2016

Abstract Poloxamer P407 (P407) is a FDA approved triblock copolymer; its hydrogels show fast dissolution in aqueous environment and weak mechanical strength, limiting their in vivo application. In this work, an amphiphilic poly(ether urethane) (NHP407) was synthesized from P407, an aliphatic ...

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Kinetics of CO2 Absorption into Aqueous Basic Amino Acid Salt: Potassium Salt of Lysine Solution

25.01.2016 | Shufeng Shen; Ya-nan Yang; Yangyang Bian; Yue Zhao, Environmental Science & Technology, 2016

Aqueous amino acid salts are considered as an attractive alternative to alkanolamine solvents (e.g., MEA) for carbon dioxide (CO2) absorption. The kinetics of CO2 into unloaded aqueous solutions of potassium lysinate (LysK) was studied using a wetted wall column at concentrations ranging from ...

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Formation of Small Gold Nanoparticle Chains with High NIR Extinction through Bridging with Calcium Ions

25.01.2016 | Robert J. Stover; Ehsan Moaseri; Sai P. Gourisankar; Muhammad Iqbal; Negin K. Rahbar; Behzad Changalvaie; Thomas M. ..., Langmuir, 2016

The self-assembly of citrate-capped Au nanoparticles (5 nm) resulted in branched nanochains by adding CaCl2 versus spherical nanoclusters for NaCl. These assemblies were formed between 1 s to 30 min by tuning the electrostatic repulsion and the interparticle bridging attraction between the ...

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