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48.786 Aktuelle Fachpublikationen zum Thema temperature

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An Efficient Low-Temperature Route to Nitrogen-Doping and Activation of Mesoporous Carbon for CO2 Capture

08.10.2015 | Kuan Huang; Song-Hai Chai; Richard T Mayes; Gabriel M. Veith; Katie L. Browning; Miles A. Sakwa-Novak; Matthew E. Po ..., Chemical Communication, 2015

Conventional methods for nitrogen-doping of nanostructured carbon materials involve either a high-temperature and low-yield activation of the carbons using toxic NH3, or a pyrolysis/carbonization of costly N-rich compounds as the carbon precursors. We have developed an innovative strategy for ...


Circular membrane for nano thin film micro solid oxide fuel cells with enhanced mechanical stability

08.10.2015 | Jong Dae Baek; Yong-Jin Yoon; Wonyoung Lee; Pei-Chen Su, Energy & Environmental Science, 2015

We demonstrate a new architecture for a low temperature solid oxide fuel cell to enlarge the lateral dimension of the fragile nano thin film electrolyte from micrometer to millimeter scale with greatly enhanced mechanical stability. The new structure was achieved by simple silicon micromachining ...


The spontaneous formation and plasmonic properties of ultrathin gold–silver nanorods and nanowires stabilized in oleic acid

08.10.2015 | Julian Crespo; José M. López-de-Luzuriaga; Miguel Monge; M. Elena Olmos; María Rodríguez-Castillo; Benoît Cormary; K ..., Chemical Communication, 2015

Ultrathin Au–Ag alloy nanorods and nanowires of different lengths and ca. 1.9 nm diameter are prepared through a low-temperature decomposition of the precursor [Au2Ag2(C6F5)4(OEt2)2]n in oleic acid. This nanostructure formation has been studied through TEM, HRTEM, EDS, HS-SPME-GC-MS and 19F NMR ...


Polymorphic phase stability and lattice dynamics of Ammonium Azide under hydrostatic compression

08.10.2015 | N Yedukondalu; Ganapathy Vaitheeswaran; P Anees; M. C. Valsakumar, Physical Chemistry Chemical Physics, 2015

We have investigated the effect of hydrostatic pressure and temperature on phase stability of N4H4 polymorphs using dispersion corrected Density Functional Theory calculations. From our total energy calculations, Ammonium Azide (AA) is found to be the thermodynamic ground state of N4H4 when ...


Time-resolved laser fluorescence spectroscopy of UO2(CO3)34-

07.10.2015 | E. C. Jung; H. -R. Cho; M. H. Baik; H. Kim; Wansik Cha, Dalton Transactions, 2015

The objective of the present study is to examine the luminescence characteristics of UO2(CO3)34- in detail using time-resolved laser fluorescence spectroscopy. The peak wavelengths and lifetime of UO2(CO3)34- were determined at room temperature using the two excitation laser wavelengths of 266 ...


Surface vs Solution Hybridization: Effects of Salt, Temperature, and Probe Type

07.10.2015 | Wanqiong Qiao; Hao-Chun Chiang; Hui Xie; Rastislav Levicky, Chemical Communication, 2015

Hybridization thermodynamics on solid supports are compared with those in solution for two types of hybridization probe, DNA and uncharged morpholino oligonucleotides of identical sequences. Trends in hybridization affinity are discussed with respect to ionic strength, temperature, and surface ...


Thermoresponsive release of viable microfiltrated Circulating Tumor Cells (CTCs) for precision medicine applications

07.10.2015 | Zheng Ao; Erika Parasido; Siddarth Rawal; Anthony Williams; Richard Schlegel; Stephen Liu; Chris Albanese; Richard J ..., Lab on a Chip, 2015

Stimulus responsive release of Circulating Tumor Cells (CTCs), with high recovery rates from their capture platform, is highly desirable for off-chip analyses. Here, we present a temperature responsive polymer coating method to achieve both release as well as culture of viable CTCs captured from ...


Squaraine based solution processed inverted bulk heterojunction solar cells processed in air

07.10.2015 | P. C. Reshmi Varma; Manoj A. G. Namboothiry, Physical Chemistry Chemical Physics, 2015

Inverted bulk heterojunction solar cells based on low temperature solution processed squaraine (SQ) and [6,6]-phenyl C71 butyric acid methyl-ester (PC71BM) with varying blend ratios were made in air. An optimized bulk heterojunction device of SQ and PC71BM (with a blend ratio of 1 [ ] : [ ] 6) ...


Click with a boronic acid handle: a neighboring group-assisted click reaction that allows ready secondary functionalization

07.10.2015 | Alexander B. Draganov; Ke Wang; Jalisa Holmes; Krishna Damera; Danzhu Wang; Chaofeng Dai; Binghe Wang, Chemical Communication, 2015

The feasibility of a neighboring boronic acid-facilitated facile condensation of an aldehyde is described. This reaction is bio-orthogonal, complete at room temperature within minutes, and suitable for bioconjugation chemistry. The boronic acid group serves the dual purpose of catalyzing the ...


Layered Phosphorus-Like GeP5: a Promising Anode Candidate with High Initial Coulombic Efficiency and Large Capacity for Lithium Ion Batteries

07.10.2015 | Wenwu Li; Huiqiao Li; Zhijuan Lu; Lin GAN; Linbo Ke; Tianyou Zhai; HaoShen Zhou, Energy & Environmental Science, 2015

In this work, we for the first time investigate GeP5 as an anode material for lithium ion batteries (LIB). By a facile high energy mechanical ball milling (HEMM) method, we successfully synthesize pure GeP5 and GeP5/C nanocomposite at ambient temperature and pressure. According to XRD Rietveld ...


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