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13 - Electrical and Electronic Engineering, Metallurgy and Materials

University of Oxford

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Output 15 of 136 in the submission

Article title

Characterization of oxidation and reduction of a Palladium-Rhodium alloy by atom-probe tomography

Type

D - Journal article

DOI

10.1021/jp211687m

Title of journal

Journal of Physical Chemistry C

Article number

Volume number

116

Issue number

First page of article

4760

ISSN of journal

1932-7447

Year of publication

2012

URL

Number of additional authors

Additional information

The first in a set of 3 papers on binary and tertiary alloys. In previous studies surface segregation effects in binary alloys had been confined to the creation of thin layers of one metal preferentially above the other. In this work, a Pd-Rh alloy revealed the formation of ‘nano-islands’ of Rh within a Pd matrix following oxidation and retained under subsequent reduction, which has not been seen before. This demonstrated the possibility of using such treatments to “nano-engineer” surface compositions to maximise catalytic efficiency, and forms the basis of a patent application with ISIS Innovation (PCT/GB2012/052264) to protect this methodology.

Interdisciplinary

Cross-referral requested

Research group

None

Proposed double-weighted

Double-weighted statement

Reserve for a double-weighted output

Non-English

English abstract