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Fig. 6 XPS spectra over the Pd 3d binding energy (BE) region
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Reaction over Pd/C delivered a significantly higher DBA
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Acknowledgements We acknowledge Dr. M. Li and Dr. X. Wang
for their contribution to this work, EPSRC support for free access to
the TEM/SEM facilities at the University of St. Andrews and finan-
cial support to Y. Hao through the Overseas Research Students Award
Scheme (ORSAS).
Open Access This article is distributed under the terms of the
appropriate credit to the original author(s) and the source, provide a
link to the Creative Commons license, and indicate if changes were
made.
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