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Operando XAFS of supported Pd nanoparticles in flowing ethanol/water mixtures: implications for catalysis

DOI: 10.1039/C5GC01600B DOI Help

Authors: Mark A. Newton (University of Warwick) , John B. Brazier (Imperial College London) , Elena M. Barreiro (Imperial College London) , Stephen Parry (Diamond Light Source) , Herman Emmerich (European Synchrotron Radiation Facility (ESRF)) , Luis A. Adrio (Imperial College London) , Christopher J. Mulligan (Imperial College London) , Klaus Hellgardt (Imperial College London) , King Kuok Hii (Imperial College London)
Co-authored by industrial partner: Yes

Type: Journal Paper
Journal: Green Chemistry

State: Published (Approved)
Published: August 2015
Diamond Proposal Number(s): 9584

Open Access Open Access

Abstract: Ethanol–water, a prototypical ‘green’ solvent mixture, cannot be considered as inert toward supported Pd nanoparticles. We establish severe size dependencies in Pd redox behavior, persistent gradients in Pd phase in a plug-flow situation, and that Pd nanoparticles are contaminated with hydrogen derived from the solvent.

Journal Keywords: Catalysis; Nanoparticles; Green Chemistry

Subject Areas: Chemistry, Materials


Instruments: B18-Core EXAFS

Other Facilities: ESRF

Added On: 16/11/2015 18:38

Documents:
c5gc01600b.pdf

Discipline Tags:

Physical Chemistry Catalysis Chemistry Materials Science Nanoscience/Nanotechnology

Technical Tags:

Spectroscopy X-ray Absorption Spectroscopy (XAS) Extended X-ray Absorption Fine Structure (EXAFS)