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Search for "methane" in Full Text gives 63 result(s) in Beilstein Journal of Nanotechnology.

Quasi-1D physics in metal-organic frameworks: MIL-47(V) from first principles

  • Danny E. P. Vanpoucke,
  • Jan W. Jaeken,
  • Stijn De Baerdemacker,
  • Kurt Lejaeghere and
  • Veronique Van Speybroeck

Beilstein J. Nanotechnol. 2014, 5, 1738–1748, doi:10.3762/bjnano.5.184

Graphical Abstract
  • separation. As a result, much of the work since its first synthesis focuses on these topics. The adsorption and diffusion behavior of different molecules, ranging from hydrogen and carbon dioxide to methane and xylene isomers, has been studied both experimentally and theoretically [3][5][6][7][10][12][13][18
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Published 09 Oct 2014

Nanoporous composites prepared by a combination of SBA-15 with Mg–Al mixed oxides. Water vapor sorption properties

  • Amaury Pérez-Verdejo,
  • Alvaro Sampieri,
  • Heriberto Pfeiffer,
  • Mayra Ruiz-Reyes,
  • Juana-Deisy Santamaría and
  • Geolar Fetter

Beilstein J. Nanotechnol. 2014, 5, 1226–1234, doi:10.3762/bjnano.5.136

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  • be obtained, and the hydrophilic character of the SBA-15 could be improved with the Mg–Al species. Indeed, the water affinity of these materials has gained importance in certain adsorption processes, for example the process reported by Zhou et al. [14], which the methane amount storage SBA-15
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Published 07 Aug 2014

Sublattice asymmetry of impurity doping in graphene: A review

  • James A. Lawlor and
  • Mauro S. Ferreira

Beilstein J. Nanotechnol. 2014, 5, 1210–1217, doi:10.3762/bjnano.5.133

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  • -Khosousi et al. [41] who again used the CVD growth process but with a pyridine (C5H5N) precursor for the nitrogen and graphene instead of the conventional ammonia/methane mix. Figure 2 shows a rather striking STM image of a large area of N-doped graphene grown using this method, showing two clearly defined
  • concentrations found with this method were around 0.2%, very similar to the previous ammonia/methane method which points to an equivalent growth mechanism. By comparing N-doped graphene systems synthesised with this method to other systems made via nitrogen ion bombardement and ammonia post-treatment of a
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Published 05 Aug 2014

Template-directed synthesis and characterization of microstructured ceramic Ce/ZrO2@SiO2 composite tubes

  • Jörg J. Schneider and
  • Meike Naumann

Beilstein J. Nanotechnol. 2014, 5, 1152–1159, doi:10.3762/bjnano.5.126

Graphical Abstract
  • with critical stress intensities as high as 20 MPa m1/2 [10]. With respect to catalysis, solid solutions of the composition CexZr1−xO2 have been studied for the generation of hydrogen (e.g., in fuel cell applications), CO2 reforming (e.g., for production of synthesis gas), direct methane oxidation (e.g
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Published 25 Jul 2014

Carbon dioxide hydrogenation to aromatic hydrocarbons by using an iron/iron oxide nanocatalyst

  • Hongwang Wang,
  • Jim Hodgson,
  • Tej B. Shrestha,
  • Prem S. Thapa,
  • David Moore,
  • Xiaorong Wu,
  • Myles Ikenberry,
  • Deryl L. Troyer,
  • Donghai Wang,
  • Keith L. Hohn and
  • Stefan H. Bossmann

Beilstein J. Nanotechnol. 2014, 5, 760–769, doi:10.3762/bjnano.5.88

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  • CO2 hydrogenation reactions. Earlier research showed that bulk iron and iron oxides catalyze CO2 hydrogenation, producing mainly methane. These catalysts were rapidly deactivated due to carbon deposition [11][12]. Doping with promoters such as potassium [13][14][15][16][17][18], manganese [19][20][21
  • chains are built up through the Fischer–Tropsch reaction (FT) [57]. However, only methane (minor fraction), propane, butane and propanal could be identified as aliphatic products of the reaction of carbon dioxide and hydrogen at Fe/Fe3O4 nanocatalysts. Based on these findings and the characterization of
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Published 02 Jun 2014

Surface passivation and optical characterization of Al2O3/a-SiCx stacks on c-Si substrates

  • Gema López,
  • Pablo R. Ortega,
  • Cristóbal Voz,
  • Isidro Martín,
  • Mónica Colina,
  • Anna B. Morales,
  • Albert Orpella and
  • Ramón Alcubilla

Beilstein J. Nanotechnol. 2013, 4, 726–731, doi:10.3762/bjnano.4.82

Graphical Abstract
  • times of 38, 53, 73 and 137 min respectively). On top of these films, we deposited an amorphous silicon carbide (a-SiCx) film by PECVD that uses silane (SiH4) and methane (CH4) as precursor gases. The thicknesses of these a-SiCx films were 50, 40 and 25 nm, respectively (deposition times of 12 min 50
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Published 06 Nov 2013

A nano-graphite cold cathode for an energy-efficient cathodoluminescent light source

  • Alexander N. Obraztsov,
  • Victor I. Kleshch and
  • Elena A. Smolnikova

Beilstein J. Nanotechnol. 2013, 4, 493–500, doi:10.3762/bjnano.4.58

Graphical Abstract
  • obtained by chemical vapor deposition (CVD) from a hydrogen/methane gas mixture activated by a direct current discharge. The details of the used home-made CVD system and the corresponding process are described in [13][14]. For the cathode production pieces of Ni wire with 1 mm diameter were placed in a CVD
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Published 28 Aug 2013

Grating-assisted coupling to nanophotonic circuits in microcrystalline diamond thin films

  • Patrik Rath,
  • Svetlana Khasminskaya,
  • Christoph Nebel,
  • Christoph Wild and
  • Wolfram H.P. Pernice

Beilstein J. Nanotechnol. 2013, 4, 300–305, doi:10.3762/bjnano.4.33

Graphical Abstract
  • cleaning and residual particle removal. After drying under nitrogen, the wafer is transferred into an ellipsoidal 915 MHz microwave plasma reactor [24]. Diamond films with a target thickness of 600 nm are grown at 1.8 kW microwave power. As feeding gas we employ a mixture containing 2% methane and 98
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Published 07 May 2013

Diamond nanophotonics

  • Katja Beha,
  • Helmut Fedder,
  • Marco Wolfer,
  • Merle C. Becker,
  • Petr Siyushev,
  • Mohammad Jamali,
  • Anton Batalov,
  • Christopher Hinz,
  • Jakob Hees,
  • Lutz Kirste,
  • Harald Obloh,
  • Etienne Gheeraert,
  • Boris Naydenov,
  • Ingmar Jakobi,
  • Florian Dolde,
  • Sébastien Pezzagna,
  • Daniel Twittchen,
  • Matthew Markham,
  • Daniel Dregely,
  • Harald Giessen,
  • Jan Meijer,
  • Fedor Jelezko,
  • Christoph E. Nebel,
  • Rudolf Bratschitsch,
  • Alfred Leitenstorfer and
  • Jörg Wrachtrup

Beilstein J. Nanotechnol. 2012, 3, 895–908, doi:10.3762/bjnano.3.100

Graphical Abstract
  • hydrogen-rich plasma atmosphere in an ellipsoidal cavity reactor [24]. The necessary carbon species for the diamond growth were supplied by the addition of 1–2% methane to the process gas. Single-crystal diamond plates of type Ib with (001) and (111) surface orientation and dimensions of 3 × 3 mm² served
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Published 21 Dec 2012

Variations in the structure and reactivity of thioester functionalized self-assembled monolayers and their use for controlled surface modification

  • Inbal Aped,
  • Yacov Mazuz and
  • Chaim N. Sukenik

Beilstein J. Nanotechnol. 2012, 3, 213–220, doi:10.3762/bjnano.3.24

Graphical Abstract
  • ). Spectra of the as-deposited films were collected by using quartz slides. Spectra were run against a reference sample of the same quartz without the deposited films. Mass spectra were recorded on a Finnigan Model 400 mass spectrometer, by using chemical ionization (CI) with methane as the reagent gas
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Published 09 Mar 2012

Formation of SiC nanoparticles in an atmospheric microwave plasma

  • Martin Vennekamp,
  • Ingolf Bauer,
  • Matthias Groh,
  • Evgeni Sperling,
  • Susanne Ueberlein,
  • Maksym Myndyk,
  • Gerrit Mäder and
  • Stefan Kaskel

Beilstein J. Nanotechnol. 2011, 2, 665–673, doi:10.3762/bjnano.2.71

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  • growth reaction. The addition of hydrogen into the argon plasma causes an increase of H radicals, and the excess of carbon in SiC is reduced by methane formation. Even though the plasma production of nanoparticles is an established industrial process, only a limited number of systematic investigations
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Published 07 Oct 2011

Ceria/silicon carbide core–shell materials prepared by miniemulsion technique

  • Lars Borchardt,
  • Martin Oschatz,
  • Robert Frind,
  • Emanuel Kockrick,
  • Martin R. Lohe,
  • Christoph P. Hauser,
  • Clemens K. Weiss,
  • Katharina Landfester,
  • Bernd Büchner and
  • Stefan Kaskel

Beilstein J. Nanotechnol. 2011, 2, 638–644, doi:10.3762/bjnano.2.67

Graphical Abstract
  • . Furthermore, first catalytic tests were carried out by temperature programmed oxidation (TPO) of methane, and the activity of this material in lowering the onset temperature of methane combustion by 262 K was documented. Keywords: ceria; cerium dioxide; core shell; miniemulsion; oxycarbide; silicon carbide
  • reaction [34][35]. Thus, we report for the first time a CeO2/SiC core–shell system with tunable particle sizes through a miniemulsion technique, and demonstrate its use as a catalyst for the oxidation of methane. Results and Discussion Polycarbosilane (PCS) nanospheres were synthesized from a miniemulsion
  • CeO2 (2.60 Å, ICDD, No. 44-1001). Catalytic methane combustion The catalytic activity was determined by temperature programmed oxidation (TPO) of methane. TPO was performed on SiC/CeO2 and SiC-Acr/CeO2. For comparison of the results, CeO2 nanoparticles that were precipitated from aqueous solution and
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Published 27 Sep 2011

Femtosecond time-resolved photodissociation dynamics of methyl halide molecules on ultrathin gold films

  • Mihai E. Vaida,
  • Robert Tchitnga and
  • Thorsten M. Bernhardt

Beilstein J. Nanotechnol. 2011, 2, 618–627, doi:10.3762/bjnano.2.65

Graphical Abstract
  • methane or ethane, were detected. As well, no evidence for methyl bromide dissociation subsequent to adsorption on the Au substrate was found. Methyl chloride Similar to the case of methyl bromide, no desorption studies of methyl chloride on a gold surface have been reported so far. Our results are
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Published 20 Sep 2011
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