Search Results - "Nesper, R."

Partially reduced graphite oxide for supercapacitor electrodes: Effect of graphene layer spacing and huge specific capacitance by Hantel, M.M., Kaspar, T., Nesper, R., Wokaun, A., Kötz, R.

“…Partially reduced graphite oxide (GOpr) prepared from natural as well as synthetic graphite was used as electrode material for supercapacitors in 1 M Et 4NBF 4…”
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In-situ XRD and dilatometry investigation of the formation of pillared graphene via electrochemical activation of partially reduced graphite oxide by Hantel, M.M., Nesper, R., Wokaun, A., Kötz, R.

“…The electrochemical activation reaction observed for oxygen rich graphitized carbons is known to irreversibly modify the properties of the material. After…”
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Morphology and Topochemical Reactions of Novel Vanadium Oxide Nanotubes by Krumeich, F, Muhr, H.-J, Niederberger, M, Bieri, F, Schnyder, B, Nesper, R

“…Vanadium oxide nanotubes were obtained as the main product in a sol−gel reaction followed by hydrothermal treatment from vanadium(V) alkoxide precursors and…”
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Investigation of diluted ionic liquid 1-ethyl-3-methyl-imidazolium tetrafluoroborate electrolytes for intercalation-like electrodes used in supercapacitors by Hantel, M.M., Płatek, A., Kaspar, T., Nesper, R., Wokaun, A., Kötz, R.

“…The activation behavior and achievable specific capacitance of intercalation-like carbon materials, like partially reduced graphite oxide (GOpr), employing…”
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Vanadium Oxide Nanotubes—A New Flexible Vanadate Nanophase by Muhr, H.‐J., Krumeich, F., Schönholzer, U. P., Bieri, F., Niederberger, M., Gauckler, L. J., Nesper, R.

“…Vanadium oxide nanotubes have recently been discovered as the main product of a sol‐gel reaction that is followed by hydrothermal treatment in the presence of…”
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Novel Silica Nanotubes with a High Aspect Ratio-Synthesis and Structural Characterization by Zygmunt, J., Krumeich, F., Nesper, R.

“…Vanadium oxide hydrate has been used in a new, robust, and inexpensive shape‐templating synthesis leading to silica nanotubes (SiO2‐NTs, see Figure) with good…”
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Future perspectives of biomaterials for dental restoration by Höland, W., Rheinberger, V., Apel, E., Ritzberger, C., Rothbrust, F., Kappert, H., Krumeich, F., Nesper, R.

“…The development of biomaterials that can be used to substitute metals in dental restorations represents the main challenge of future research activities until…”
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The structure of dodecagonal (Ta,V)1.6Te imaged by phase-contrast scanning transmission electron microscopy by Krumeich, F., Müller, E., Wepf, R.A., Conrad, M., Reich, C., Harbrecht, B., Nesper, R.

“…While HRTEM is the well-established method to characterize the structure of dodecagonal tantalum (vanadium) telluride quasicrystals and their periodic…”
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Synthesis and Characterization of Carbon-Based Nanoparticles and Highly Magnetic Nanoparticles with Carbon Coatings by Nesper, R., Ivantchenko, A., Krumeich, F.

“…The metal carbides Li2C2, NaHC2, and CaC2, as well as acetylene, have been decomposed thermally and by metathesis reactions with selected transition‐metal…”
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Nonlinear optical transmission in VOx nanotubes and VOx nanotube composites by Xu, J.-F., Czerw, R., Webster, S., Carroll, D. L., Ballato, J., Nesper, R.

“…Optical-limiting behavior of vanadium oxide nanotubes is characterized for the visible and infrared spectral ranges using 8 ns pulses from a Nd:YAG laser with…”
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Electrochemical insertion of lithium, sodium, and magnesium in molybdenum(VI) oxide by Spahr, M.E., Novák, P., Haas, O., Nesper, R.

“…The electrochemical insertion of divalent magnesium cations into orthorhombic molybdenum(VI) oxide was studied with regard to their use as electroactive…”
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Vanadium Oxide Nanotubes-A New Flexible Vanadate Nanophase by Muhr, H.-J., Krumeich, F., Schönholzer, U. P., Bieri, F., Niederberger, M., Gauckler, L. J., Nesper, R.

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The boron heterofullerenes C59B and C69B: generation, extraction, mass spectrometric and XPS characterization by Muhr, H.-J., Nesper, R., Schnyder, B., Kötz, R.

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The first oxide nanotubes with alternating inter-layer distances by Pillai, Krishnan S, Krumeich, F, Muhr, H.-J, Niederberger, M, Nesper, R

“…A novel type of vanadium oxide nanotube (VOx-NT) has been discovered in the course of a comprehensive study investigating the influence of ammonia on the tube…”
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Investigation of nano-fibrous selenium and its polypyrrole and graphene composite as cathode material for rechargeable Li-batteries by Kundu, Dipan, Krumeich, Frank, Nesper, Reinhard

“…Analogous to the well-known Li–S battery, an electrochemical reaction of two Li + ion with one Se atom (2Li+ + Se + 2e− = Li2Se) gives rise to a large specific…”
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Refinement of the crystal structures of the tetrahedro-tetragermanides K4Ge4, Rb4Ge4 and Cs4Ge4 by Schnering H. G. von, Llanos J., Chang J.-H., Peters K., Peters E.-M., Nesper R.

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Optical properties of vanadium oxide nanotubes by Webster, S, Czerw, R, Nesper, R, DiMaio, J, Xu, J F, Ballato, J, Carroll, D L

“…The optical properties of vanadium oxide nanotube dispersions have been characterized using visible and near infrared absorption spectroscopy, Fourier…”
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Crystal structure of dieuropium lithium trigermanide, Eu2LiGe3 by Xie Q.-X., Nesper R.

“…Eu2Ge3Li, orthorhombic, Pnnm (no. 58), a = 10.968(2) Å, b = 11.687(2) Å, c = 4.5482(7) Å, V = 583.0 Å3, Z = 4, Rgt(F) = 0.023, wRref(F2) = 0.048, T = 293 K…”
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Crystal structure of the defect clathrate Cs8Sn44□2 by von Schnering H. G., Kröner R., Baitinger M., Peters K., Nesper R., Grin Yu

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Crystal structure of dieuropium and distrontium di(lithium, magnesium) trigermanide, M2LixMg2–xGe3 (M= Eu, x = 1.16;M= Sr, x = 0.94) by Xie Q.-X., Nesper R.

“…Eu2Ge3Li1.16Mg0.84, orthorhombic, Cmcm (no. 63), a = 4.577(1) Å, b = 19.534(4) Å, c = 7.223(2) Å, V = 645.7 Å3, Z = 4, Rgt(F) = 0.030, wRref(F2) = 0.072, T =…”
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