Extreme ionization leading to Coulomb explosion of small palladium and zirconium oxide clusters and reactivity with carbon monoxide

The Journal of Physical Chemistry. a
Matt W Ross, A W Castleman

Abstract

Reported herein are strong-field ionization studies of small, neutral Pd(x)O(y) and Zr(x)O(y) clusters made using ultrafast laser pulses (~100 fs) centered at 624 nm. An enhancement in ionization of nearly 1.5 orders of magnitude lower in laser intensity than predicted from literature values is observed for both systems due to clustering. The change in enhancement upon addition of carbon monoxide at different pressures was also studied. Enhancement of high charge states of palladium was found to decrease upon CO addition, whereas in the case of the zirconium system, high charge states of zirconium were observed to increase. Pd and ZrO showed similar reactivity trends with CO and were found to have similar reactivity ratios in accord with their isovalent nature.

References

Oct 15, 2005·Science·Mingshu ChenD Wayne Goodman
Jan 19, 2010·Proceedings of the National Academy of Sciences of the United States of America·Samuel J PeppernickA W Castleman
Jun 4, 2011·Physical Chemistry Chemical Physics : PCCP·Scott G SayresA W Castleman
Aug 10, 2011·The Journal of Chemical Physics·Scott G SayresA W Castleman

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Citations

Aug 17, 2016·The Journal of Physical Chemistry. a·Hiroki TanakaTomoyuki Yatsuhashi

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