2 article(s) from Wöhrl, Nicolas
Schematic illustration of the deposition process. Platinum acetylacetonate is dissociated by the pl...
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a) Bright-field TEM micrograph of a typical Pt/CNW sheet, showing homogeneously distributed Pt-NPs ...
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TEM micrographs of Pt-NPs (blue) at the edge of a CNW sheet. The carbon layers (green) are disturbe...
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SEM images of selected CNW morphologies of samples processed at varying process parameters: a) argo...
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XPS a) survey and elemental scans of b) the slightly oxidized sample P7 and c) the highly oxidized ...
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The dependence of mean particle diameter and geometric standard deviation on platinum loading of th...
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ECSA maximum (columns) and ECSA initial values (red, dashed line, if the ECSAinitial < ECSAmax.) fo...
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Normalized ECSA as a function of the AST cycles measured by CV. The superior long-term stability of...
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Beilstein J. Nanotechnol. 2020, 11, 1419–1431, doi:10.3762/bjnano.11.126
Three-stage model of CNW growth (adapted from Kondo and co-workers) .
Schematic diagram of ICP-PECVD plasma source.
SEM images. Sampe 1 deposited at 350 °C and 0 V bias voltage: nanorods; sample 2 deposited at 350 °...
SEM images. Sample 3 deposited at 425 °C and −30 V bias voltage: straight CNWs; sample 2 deposited ...
Growth zones of CNW growth: nanorods (low energies), thorny structures and straight CNWs (medium en...
Growth zones on different substrate materials as a function of substrate temperature and bias volta...
Typical Raman spectra and the ID/IG ratios for a) nanorods, b) thorny CNWs, c) straight CNWs and d)...
ID/IG ratio as a function of the mean wall length of the straight and the curled CNWs on a) stainle...
Heights of CNWs as a function of process parameters and substrate material.
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a) SEM image of the curled CNWs and corresponding b) carbon and c) aluminium mappings, as measured ...
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EDX spectrum of CNWs on stainless steel (Fe, Cr). Besides carbon and aluminium, oxygen can be found...
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Beilstein J. Nanotechnol. 2018, 9, 1895–1905, doi:10.3762/bjnano.9.181
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