Electrospinning preparation and electrical and biological properties of ferrocene/poly(vinylpyrrolidone) composite nanofibers

• Ji-Hong Chai and
• Qing-Sheng Wu

Beilstein J. Nanotechnol. 2013, 4, 189–197, doi:10.3762/bjnano.4.19

• -dispersed Fc in PVP polymer is known to improve load transfer, thus the incorporation of Fc is expected to increase the catalytic properties of the electrospun Fc/PVP nanofibers. When an approach employing a conjugated solvent was simultaneously utilized, the Fc/PVP nanofibers were finally fabricated by

• electrospinning. The effects of Fc concentration and applied solvents on the size and morphology of the fibers were studied subsequently. Furthermore, some studies suggest that Fc possess antibacterial, electrochemical and catalytic properties so that the Fc/PVP nanofibers are likely to be useful in some

Catalytic activity of nanostructured Au: Scale effects versus bimetallic/bifunctional effects in low-temperature CO oxidation on nanoporous Au

• Lu-Cun Wang,
• Yi Zhong,
• Haijun Jin,
• Daniel Widmann,
• Jörg Weissmüller and
• R. Jürgen Behm

Beilstein J. Nanotechnol. 2013, 4, 111–128, doi:10.3762/bjnano.4.13

• of Sciences, 110016, Shenyang, P.R. China Institut für Werkstoffphysik und Werkstofftechnologie, TU Hamburg-Harburg, D-21073 Hamburg, Germany 10.3762/bjnano.4.13 Abstract The catalytic properties of nanostructured Au and their physical origin were investigated by using the low-temperature CO

• be explored in a more indirect way, e.g., by comparing the effect of different residual metals on the catalytic properties of the NPG materials over a wide range of structural parameters and (surface) content of the respective second metal. This is the topic of the present paper, in which we compare

Low-dose patterning of platinum nanoclusters on carbon nanotubes by focused-electron-beam-induced deposition as studied by TEM

• Xiaoxing Ke,
• Carla Bittencourt,
• Sara Bals and
• Gustaaf Van Tendeloo

Beilstein J. Nanotechnol. 2013, 4, 77–86, doi:10.3762/bjnano.4.9

• nanotubes; FEBID; nanocluster; platinum; patterning; radiation-induced nanostructures; TEM; Introduction Hybrid nanostructures consisting of carbon nanotubes (CNTs) decorated with metal nanoclusters enable access to various electrical and catalytic properties. Therefore, they are considered as building

Physics, chemistry and biology of functional nanostructures

• Paul Ziemann and
• Thomas Schimmel

Beilstein J. Nanotechnol. 2012, 3, 843–845, doi:10.3762/bjnano.3.94

• transport through nanostructures. Here, focus is put on the electrochemically controlled preparation of metallic point contacts [9][10] Magnetic behavior of nanoparticles and -wires Nanophotonics Effect of nanoporosity on the catalytic properties of Au oxidizing CO Theoretical description of organic

Zeolites as nanoporous, gas-sensitive materials for in situ monitoring of DeNO_x-SCR

• Thomas Simons and
• Ulrich Simon

Beilstein J. Nanotechnol. 2012, 3, 667–673, doi:10.3762/bjnano.3.76

• sensitivity and catalytic activity renders zeolites as interesting materials for the study of the correlation of gas-sensing and catalytic properties in situ. This is of fundamental academic and technological interest, as it will potentially afford knowledge about the elementary reaction mechanisms [27]. For

Self-assembly at solid surfaces

• Sidney R. Cohen and
• Jacob Sagiv

Beilstein J. Nanotechnol. 2011, 2, 824–825, doi:10.3762/bjnano.2.91

• areas of research. Thus, the functionality of self-assembled films or of structures derived from them is demonstrated, including mechanical, electrical, and catalytic properties. Unique nanoscale structures are prepared employing lithographic processes and the templating capabilities of the films

Synthesis and catalytic applications of combined zeolitic/mesoporous materials

• Jarian Vernimmen,
• Vera Meynen and
• Pegie Cool

Beilstein J. Nanotechnol. 2011, 2, 785–801, doi:10.3762/bjnano.2.87

• materials [60][61][62]. Cheneviere et al. [60] showed that their developed mesoporous TS-1 material does not give rise to the expected improved catalytic properties of a hierarchical catalyst in oxidation reactions with aqueous H2O2, probably because of its increase in hydrophilic character in comparison

• microporous hierarchical structure did not possess the superior catalytic properties expected for hierarchical catalysts: In particular, the gain in diffusion properties was totally inhibited by the increase in hydrophilic character of the material. Notice that divergent catalytic behavior is observed, which

Nanostructured, mesoporous Au/TiO₂ model catalysts – structure, stability and catalytic properties

• Matthias Roos,
• Dominique Böcking,
• Kwabena Offeh Gyimah,
• Gabriela Kucerova,
• Joachim Bansmann,
• Johannes Biskupek,
• Ute Kaiser,
• Nicola Hüsing and
• R. Jürgen Behm

Beilstein J. Nanotechnol. 2011, 2, 593–606, doi:10.3762/bjnano.2.63

• diffraction (XRD), transmission electron microscopy (TEM), N2 adsorption, inductively coupled plasma ionization spectroscopy (ICP–OES) and X-ray photoelectron spectroscopy (XPS). The catalytic properties were evaluated through the oxidation of CO as a test reaction, and reactivities were measured directly

• above the film with a scanning mass spectrometer. We can demonstrate that the thin-film model catalysts closely resemble dispersed Au/TiO2 supported catalysts in their characteristic structural and catalytic properties, and hence can be considered as suitable for catalytic model studies. The linear

• and catalytic properties of ultra-thin Au/TiO2 catalyst films, which were prepared by spin-coating a thin film of mesoporous TiO2 of 200–400 nm thickness on a flat Si(100) substrate and subsequent loading with Au nanoparticles. After describing the experimental procedures, we first present

Nanoscaled alloy formation from self-assembled elemental Co nanoparticles on top of Pt films

• Luyang Han,
• Ulf Wiedwald,
• Johannes Biskupek,
• Kai Fauth,
• Ute Kaiser and
• Paul Ziemann

Beilstein J. Nanotechnol. 2011, 2, 473–485, doi:10.3762/bjnano.2.51

• attractive catalytic properties of Pt on top of ceramic supports, much work has been dedicated to the identification of active sites on its surface. For this purpose the controlled growth of Pt films on various single crystalline metal oxides, such as MgO(100) or STO(100), is advantageous. On the resulting