Journal
JOURNAL OF CHEMICAL PHYSICS
Volume 136, Issue 21, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4725713
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Funding
- US Department of the Army (MURI) [W911NF-06-1-0280]
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We report a combined experimental and theoretical photoelectron spectroscopy study of ZnOH-. We find that the electron binding energy spectrum of ZnOH- reveals a broad and featureless peak between 1.4 and 2.4 eV in energy. The vertical detachment energy (VDE) of ZnOH- is determined to be 1.78 eV, which is lower than the 2.08 eV VDE of ZnO-. Our theoretical calculations match the VDE of ZnOH- accurately, but we find that the broadness of the peak cannot be explained by rotational or vibrational state excitation. The broadness of this peak is in strong contrast to the narrow and easily understood first peak of the ZnO spectrum, which features a well-resolved vibrational progression that can be readily explained by calculating the Franck-Condon transition factors. This study provides spectroscopic evidence of the effect of hydrogen on diatomic ZnO. c 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4725713]
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