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| - Model for Chainlength-Dependent Core−Surfactant Interaction in N(Alkyl)4Cl-StabilizedColloidal Metal Particles Obtained from X-ray Absorption Spectroscopy
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| - This work investigates in detail the interaction between colloidal core and protection shell for N(octyl)4Cl-stabilized cobalt particles of 2.5 nm average diameter. We have analyzed the electronic and geometric structureof these particles using the X-ray absorption near edge structure (XANES) spectra measured at both Cl andCo K edge as well as the extended X-ray absorption fine structure measured at the Co K edge. The metalXANES data are interpreted based on FEFF8 real space full multiple scattering calculations for a suitablereference system. On the basis of these results, we propose a detailed model describing how the protectionshell is anchored to the core of the particle. To show the broad applicability of this model, it is then used onPalladium particles stabilized by the same technique.
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