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Understanding the molecular basis for the controlled design of ruthenium nanoparticles in microporous aluminophosphates

DOI: 10.1039/C6ME00061D DOI Help

Authors: Matthew E. Potter (University of Southampton) , Jamie M. Purkis (University of Southampton) , Michal Perdjon (Research Complex at Harwell; University College London) , Peter P. Wells (Research Complex at Harwell; University College London) , Robert Raja (University of Southampton)
Co-authored by industrial partner: No

Type: Journal Paper
Journal: Mol. Syst. Des. Eng. , VOL 1 , PAGES 335 - 344

State: Published (Approved)
Published: September 2016
Diamond Proposal Number(s): 8071

Abstract: Controlling the structural properties of nanoparticle catalysts within a microporous framework is a major challenge. Using in situ X-ray absorption fine structure (XAFS) spectroscopy we detail the influence of activation parameters on the nature of ruthenium particles that are located within the confines of a nanoporous aluminophosphate (RuAlPO-5) architecture. These in situ studies confirm that controlled annealing conditions can tailor the formation of specific ruthenium species, which alter the catalytic performance towards the oxidation of cyclohexane to KA oil (a 1 : 1 mixture of cyclohexanone and cyclohexanol), the precursor for Nylon-6 and Nylon-6,6.

Subject Areas: Chemistry, Materials


Instruments: B18-Core EXAFS

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