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45.289 Aktuelle Fachpublikationen zum Thema temperature

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A dual-emissive ionic liquid based on an anionic platinum(II) complex

28.07.2015 | Tomohiro Ogawa; Masaki Yoshida; Hiroki Ohara; Atsushi Kobayashi; Masako Kato, Chemical Communication, 2015

An ionic liquid fabricated from an anionic cyclometalated platinum(ii) complex and an imidazolium cation exhibits dual emission from the monomeric and aggregated forms of the platinum complex anions, leading to temperature-dependent color changes of luminescence.

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Formation of bcc and fcc during the coalescence of free and supported Fe and Ni clusters

28.07.2015 | Qiang Wang; Guojian Li; Xudong Sui; Kai Wang; Chun Wu; Jicheng He, Physical Chemistry Chemical Physics, 2015

The formation of bcc and fcc during the coalescence of free and supported Fe and Ni clusters has been studied by molecular dynamics simulation using an embedded atom method. Structural evolution of the clusters, coalesced under varying temperature, Ni content and substrate conditions, was ...

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Capillary and winding transitions in a confined cholesteric liquid crystal

28.07.2015 | Daniel de las Heras; Enrique Velasco; Yuri Martínez-Ratón, Soft Matter, 2015

We consider a Lebwohl-Lasher model of chiral particles confined in a planar cell (slit pore) with different boundary conditions, and solve it using mean-field theory. The phase behaviour of the system with respect to temperature and pore width is studied. Two phenomena are observed: (i) an ...

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Organophosphonate Bridged Anatase Mesocrystals: Low Temperature Crystallization, Thermal Growth and Hydrogen Photo-Evolution

28.07.2015 | Abdelkrim El Kadib; Younes Brahmi; Nadia Katir; Juan Antonio Macia Agullo; Ana Primo; Mosto Bousmina; Jean-Pierre Ma ..., Dalton Transactions, 2015

The sol-gel co-condensation of organo-phosphonate to titanium alkoxide enables access to novel organic-inorganic hybrids based on phosphonate-bridged titanium dioxide. In this contribution, we bring new perspectives to the long established sol-gel mineralization of titanium alkoxide species, by ...

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Thermodynamics of Fe3O4 - Co3O4 and Fe3O4 - Mn3O4 Spinel Solid Solutions at Bulk and Nanoscale

28.07.2015 | Sulata Sahu; Baiyu Huang; Kristina Lilova; Brian F Woodfield; Alexandra Navrotsky, Physical Chemistry Chemical Physics, 2015

High temperature oxide melt solution calorimetry has been performed to investigate the enthalpies of mixing (∆mixH) of bulk and nanophase (1-x)Fe3O4 - xM3O4 (M = Co, Mn) spinel solid solutions. The entropies of mixing (∆mixS) were calculated from the configurational entropies based on cation ...

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Understanding of the low temperature auto-oxidation scheme of sec-alcohols based on a Cu(II)-MOF with open metal sites

28.07.2015 | Yu-Bin Dong; Jian-Ping Ma; Chao-Wei Zhao; Shen-Qing Wang; Jin-Ping Zhang, Chemical Communication, 2015

The Cu(II)-MOF (1’) with open metal sites was readily obtained by removing the coordinated water molecule at 120˚C. It can be a probe to evidence the sec-alkyl hydroperoxide species generated from the room temperature sec-alcohol auto-oxidation in air. The formed alkyl hydroperoxides can be ...

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Catalytic etching of monolayer graphene at low temperature via carbon oxidation

28.07.2015 | Jun Eun Jin; Jae-Hyun Lee; Jun Hee Choi; Ho-Kyun Jang; Junhong Na; Dongmok Whang; Do-Hyun Kim; Gyu Tae Kim, Physical Chemistry Chemical Physics, 2015

In this work, an easy method to etch monolayer graphene is shown by using catalytic oxidation in the presence of ZnO nanoparticles (NPs). The catalytic etching of monolayer graphene, which was transferred to the channel of field-effect transistors (FETs), was performed at low temperature by ...

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Temperature dependence of the rate constant for hydrogen atom reaction with Cl2−• in water by pulse radiolysis of aqueous HCl solution

27.07.2015 | Author(s): L. Kazmierczak, J. Szala-Bilnik, M. Wolszczak, D. Swiatla-Wojcik, Radiation Physics and Chemistry, 2015

Publication date: December 2015 Source:Radiation Physics and Chemistry, Volume 117 Author(s): L. Kazmierczak, J. Szala-Bilnik, M. Wolszczak, D. Swiatla-Wojcik The temperature dependence of the rate constant for the reaction of dichloride anion radical ( Cl 2 - • ) with ...

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Carotenoid evolution during short-storage period of durum wheat (Triticum turgidum conv. durum) and tritordeum (×Tritordeum Ascherson et Graebner) whole-grain flours

27.07.2015 | Author(s): Elena Mellado-Ortega, Dámaso Hornero-Méndez, Food Chemistry, 2015

Publication date: 1 February 2016 Source:Food Chemistry, Volume 192 Author(s): Elena Mellado-Ortega, Dámaso Hornero-Méndez This study investigates the effect of storage temperature on carotenoid composition in durum wheat and tritordeum whole-grain flours. For both cereal genotypes, ...

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Production of long chain omega-3 fatty acids and carotenoids in tropical areas by a new heat-tolerant microalga Tetraselmis sp. DS3

27.07.2015 | Author(s): Hsin-Pei Tsai, Lu-Te Chuang, Ching-Nen Nathan Chen, Food Chemistry, 2015

Publication date: 1 February 2016 Source:Food Chemistry, Volume 192 Author(s): Hsin-Pei Tsai, Lu-Te Chuang, Ching-Nen Nathan Chen Demand for long chain ω-3 fatty acids from non-fish source for vegetarians has increased recently. Marine microalgae are the primary producers of EPA/DHA ...

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