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Three-dimensional Pt-nanoparticle networks studied by anomalous small-angle X-ray scattering and X-ray absorption spectroscopy

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Waldöfner,  N.
Research Group Bönnemann, Max-Planck-Institut für Kohlenforschung, Max Planck Society;
Research Group Bönnemann, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Bönnemann,  H.
Research Group Bönnemann, Max-Planck-Institut für Kohlenforschung, Max Planck Society;
Research Group Bönnemann, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Citation

Vad, T., Haubold, H. G., Waldöfner, N., & Bönnemann, H. (2002). Three-dimensional Pt-nanoparticle networks studied by anomalous small-angle X-ray scattering and X-ray absorption spectroscopy. Journal of Applied Crystallography, 35, 459-470. doi:10.1107/S0021889802008440.


Cite as: http://hdl.handle.net/11858/00-001M-0000-000F-99BC-8
Abstract
Anomalous small-angle X-ray scattering (ASAXS) experiments with synchrotron radiation were performed to study the three- dimensional nanostructures of metal/organic hybrids formed by crosslinking aluminium-organic-stabilized platinum nanoparticles with various bifunctional organic spacer molecules. The advantage of ASAXS is the possibility of separating the particle scattering from that of the organic components, thus providing unbiased information about particle size distributions and interparticle correlation. In order to obtain the structural information from the scattering data, a model function based on Vrij's analytical solution for a multicomponent system of hard spheres is proposed. The model is applied to three different samples and the results are compared with those obtained from the application of Fourier methods (characteristic function) and X-ray absorption measurements.