13 article(s) from Schneider, Jörg J
Figure 1: Hydrolysis of methoxy groups and functionalization of the surface of the ALOX-membrane due a conden...
Figure 2: Synthesis of NCA-monomers from α-amino acids and triphosgene.
Figure 3: Surface-initiated ring-opening polymerization of NCA-monomers.
Figure 4: SEM images of the outer surface (A, C, E, G and I) and inner surface (B, D, F, H, J) of the polyphe...
Figure 5: SEM images of the outer surface (A, C, E, G and I) and inner surface (B, D, F, H, J) of the polyphe...
Figure 6: Water contact angles at the outer surface of the polyphenylalanine functionalized ALOX-membranes af...
Figure 7: NIR spectra of the polyphenylalanine functionalized ALOX-membranes obtained from different solvent ...
Figure 8: MIR spectra of polyphenylalanine synthesized from solution (pure THF black line and pure DCM red li...
Figure 9: NIR spectra of the polyphenylalanine functionalized ALOX-membranes from different solvent mixtures ...
Figure 10: Thermogravimetric measurements from differently functionalized polyphenylalanine ALOX-membranes aft...
Figure 11: Relative mass loss after heating to 600 °C under air atmosphere for different polyphenylalanine fun...
Figure 12: Absorbance values of the water fractions with chloroanilic acid after the loading step.
Scheme 1: Overview of the steps involved in the fabrication of the SERS substrates using different rf plasma ...
Figure 1: (a) Photograph of sputtered silver films on glass substrates with different thicknesses. From left ...
Figure 2: SEM image of a 200 nm sputtered silver film treated with hydrogen plasma (g12-p200) for (a) 5 min, ...
Figure 3: SEM image of a 200 nm sputtered silver film treated with nitrogen plasma (g12-p200) for (a) 10 min,...
Figure 4: (a) Deconvoluted XPS Ag 3d spectrum for 200 nm Ag + 30 min nitrogen plasma treatment (g12-p200). (b...
Figure 5: (a) SEM image of 200 nm sputtered silver film treated with argon plasma (g16.7-p200) for 30 min. (b...
Figure 6: SEM images of a 200 nm sputtered silver film treated with (a) oxygen plasma (g12-p200) for 15 min a...
Figure 7: SEM image (10000× magnification) of a 200 nm sputtered silver film heated at 400 °C for 15 min foll...
Figure 8: SEM images of a 200 nm sputtered silver film treated with (a) a mixture of argon (8 sccm) and oxyge...
Figure 9: UV–vis spectra of 10 nm sputtered silver films treated with (a) hydrogen plasma, (b) nitrogen plasm...
Figure 10: Water contact angle measurements on (a) 200 nm Ag, (b) 200 nm Ag + 15 min hydrogen plasma (g12-p200...
Figure 11: SERS spectra of 10−6 M RhB on sputtered silver films of different thicknesses.
Figure 12: (a) SERS spectra of 10−6 M RhB deposited on a 10 nm silver film treated with hydrogen plasma (g12-p...
Figure 13: SERS spectra of 10−6 M RhB on a 200 nm silver film treated with argon plasma for 30 min using diffe...
Figure 14: (a) SERS spectra of 10−6 M RhB on a 200 nm silver film treated with different times and parameters ...
Figure 15: (a) Comparison of the SERS spectra of 10−6 M RhB on different SERS substrates and on a commercial S...
Figure 16: Comparison of the SERS spectra of 10-6 M RhB on different SERS substrates prepared through oxidatio...
Figure 1: Schematic of different adsorbents: a) activated carbon, b) graphene oxide, GO (for the ease of pres...
Figure 2: SEM image of the carbon samples used in the study: a) CNHs, b) MWNTs, c) high-magnification image o...
Figure 3: a) TEM image of VACNTs obtained after unhinging from the substrate and dispersed in ethanol by ultr...
Figure 4: a) N2 adsorption isotherm at 77 K and b) survey spectra of the six different carbon adsorbents stud...
Figure 5: a) SO2 adsorption isotherms at 25 °C of different adsorbents studied up to the saturation pressure ...
Figure 1: Characterization of graphene obtained by the modified etching process with an aqueous solution of a...
Figure 2: Characterization of CVD graphene transferred onto a TEM grid and a SiO2/Si wafer by the modified et...
Figure 3: Schematic of the proposed mechanism for the formation of iron oxide nanoparticles on graphene durin...
Figure 4: TEM micrographs of graphene functionalized with crystalline iron oxide nanoparticles using an incre...
Figure 5: TEM micrographs of iron oxide nanoparticles on graphene; a,b) before and c,d) after thermal anneali...
Figure 6: Iron oxide decorated graphene layer on a SiO2/Si wafer for CNT growth. The nanoparticles are locate...
Figure 7: Characterization of CNTs grown on iron oxide nanoparticles/graphene obtained by a modified copper e...
Figure 8: Proposed mechanism for the synthesis of CNTs on a metal oxide decorated graphene surface. (A) As th...
Figure 1: Schematic drawing showing the formation pathways leading to carbon tubes (4) and silicon carbide tu...
Figure 2: SEM images of (a) polystyrene fibres (1), (b) silica@polystyrene composite fibres (2), (c) silica@c...
Figure 3: TEM images of the carbon tubes (4) calcined at 950 °C (a,b), 1300 °C (c) and 1600 °C (d). Circles i...
Figure 4: Raman spectra of the carbon tubes (4) carbonized at 950 °C (black/top), 1300 °C (red/middle) and 16...
Figure 5: Thermogravimetric plot of the decomposition of the carbon tubes (4) carbonized at 950 °C in air.
Figure 6: (a) Nitrogen adsorption–desorption isotherms at 77 K and (b) pore size distribution function from a...
Figure 7: TEM images of a SiC tube wall with interconnected, crystalline SiC particles (a) and the correspond...
Figure 8: (a) IR spectra of the silica@carbon composite (3) (black/top) and the silicon carbide tubes (5) (re...
Figure 9: High pressure carbon dioxide adsorption isotherm at 25 °C for carbon tubes (4) carbonized at 950°C.
Figure 10: Nitrogen adsorption–desorption isotherms at 77 K (a) and pore size distribution from adsorption (DF...
Figure 11: Raman spectra of carbon tubes (4) before (black/top) and after (red/bottom) high pressure CO2 adsor...
Figure 1: Schematic representation of the microwave decomposition pathway of the zinc oximato precursor in th...
Figure 2: a) HRTEM image of the ZnO nanoparticle obtained from solution and b) GI-XRD spectra of the ZnO thin...
Figure 3: AFM micrographs of (a) the bare wt TMV template immobilized on a Si/SiO2 substrate as well as (b) t...
Figure 4: Overall thickness of the wt TMV/ZnO hybrid material as a function of the number of deposition cycle...
Figure 5: Schematic representation of the wt TMV/ZnO based FET device (a). Performance of the FET device fabr...
Figure 1: General scheme for the fabrication of spatially deposited CNT islands. (a) A photoresist is lithogr...
Figure 2: SEM images of neurons cultured on randomly oriented CNT islands. Panel a) depicts a single CNT isla...
Figure 3: Growth of cortical neurons cultured on islands of vertically aligned CNT architectures. a) Formatio...
Figure 4: Development of the number of neurons in the interspace regions of the spatially oriented CNTs.
Figure 5: SEM images of a) typical size and arrangement of CNT pillars to be obtained by a WACVD process b) F...
Figure 1: a) SEM image of electrospun PS template fibers; b) and c) SEM at two different magnifications of mi...
Figure 2: a), b): SEM images of the final ternary ceramic oxide composite tubes CeO2/ZrO2@SiO2, obtained at 7...
Scheme 1: Reaction sequence starting from an electrospinning process yielding PS fibers, followed by the subs...
Figure 3: TEM images displaying the particulate character of the ternary oxide microtubes obtained after calc...
Figure 4: PXRD spectrum of oxidic microtubes of the composition Ce0.13Zr0.87O2@SiO2. Main diffraction peaks 2...
Figure 5: Raman spectrum of oxidic microtubes of composition Ce0.13Zr0.87O2@SiO2 displaying resonance signals...
Figure 6: EFTEM, element mapping of calcined ternary oxide CeO2/ZrO2@SiO2 microtubes. a) TEM overview of the ...
Figure 7: HAADF-STEM image of a line scan of a length of 200 nm . The red artificial marking line indicates t...
Figure 8: a–d) EFTEM, individual EDX profiles for the elements Si, O, Zr and Ce.
Scheme 1: Reaction scheme of the ternary CuInSe2 compound obtained by the precursor synthesis method employin...
Figure 1: SEM micrographs of CuInSe2 nanorod arrays after the final conversion step at 450 °C.
Figure 2: EDX analysis of CuInSe2 nanorod arrays; Pt-signal originates from the sputtered Pt/Pd alloy.
Figure 3: Powder X-ray diffraction pattern of polycrystalline CuInSe2 nanorods after final conversion at 450 ...
Figure 4: TEM images and SAED micrograph of polycrystalline CuInSe2 nanorods.
Figure 5: Raman spectrum of CuInSe2 nanorod arrays.
Figure 6: The absorption spectrum of polycrystalline CuInSe2 nanorods.
Figure 1: Scanning electron micrographs (SEM) of electrospun PMMA fibres, fabricated from a 15 wt % solution ...
Scheme 1: Schematic representation of the exotemplating process for the preparation of CeO2 fibre mats with a...
Figure 2: SEM image of the macrosized ceria mats, composed of ceria microtubes obtained by plasma treatment a...
Figure 3: TEM and high-resolution TEM images of agglomerated nanosized ceria particles, which are the buildin...
Figure 4: X-ray diffraction (XRD) pattern of nanostructured ceria.
Scheme 2: Schematic representation of the exotemplating process for the preparation of CeO2 fibremats by usin...
Figure 5: SEM image of the final ceria mats, obtained by plasma treatment and further calcination at 350 °C, ...
Figure 6: SEM images (different magnifications) of interconnected microsized ceria tubes. Samples were fabric...
Figure 7: TEM (left) and HRTEM (right) images of nanostructured ceria thin film interconnecting the ceria tub...
Figure 8: XRD spectra of nanostructured ceria (obtained with addition of Pluronic P123® to the sol).
Figure 9: TGA measurements of bare PMMA fibres (PMMA, solid line), a PMMA/sol without Pluronic P123® (PMMA/so...
Figure 10: PL spectrum of microsized ceria tubes composed of nanostructured ceria (obtained with addition of P...
Figure 11: XRD spectra of the ceria reference sample (15 nm diameter) prepared by the standard oxalate-gel met...
Figure 12: Comparison of the overall yield (Y) of nano/microsized ceria nanotubes (samples 1,2,3) versus nanos...
Figure 1: Time-of-flight mass spectrum of the selected cluster size distribution showing a pure iron cluster ...
Figure 2: a) High resolution (HR)TEM micrographs of the products obtained after deposition of 0.6–0.9 sub-nm ...
Figure 3: a) TEM of iron catalyst particles and CNTs formed from size-selected 0.6–0.9 nm iron clusters after...
Figure 4: TEM pictures of CNT formation at isolated iron nanoparticles originated from 0.6–0.9 nm sub-nm iron...
Figure 5: Setup of the iron cluster deposition system used in the deposition experiments.
Figure 1: SEM images of aligned CNTs prepared at different temperatures (a) 650 °C, (b) 750 °C, (c) 850 °C, (...
Figure 2: (a) SEM image of aligned CNTs on a quartz substrate. (b) SEM image of an isolated mat collected fro...
Figure 3: X-ray diffraction (XRD) of aligned MWCNTs on quartz substrate prepared at (a) 650 °C and (b) 1100 °...
Figure 4: TEM images of aligned CNTs prepared at (a) 650 °C, (b) 750 °C, (c) 850 °C, (d) 950 °C, (e) 1000 °C,...
Figure 5: HRTEM images of MWCNTs prepared at (a) 650 °C, (b) 750 °C, (c) 850 °C, (d) 950 °C, (e) 1000 °C, and...
Figure 6: AFM image of isolated CNTs prepared at (a) 650 °C and (b) 1100 °C. The scan area is 15 μm × 15 μm a...
Figure 7: SAXS pattern of aligned CNTs prepared at (a) 1100 °C and (b) 650 °C. SEM images of aligned CNTs pre...
Figure 8: (a) Raman spectra and (b) TGA curves of aligned CNTs prepared at 650 and 1100 °C.