DOI: 10.1126/science.1106719. Observation of Large Water-Cluster Anions with Surface-Bound Excess Electrons

Observation of Large Water-Cluster Anions with Surface-Bound Excess Electrons

10.1126/science.1106719

Crossref journal-article

American Association for the Advancement of Science (AAAS)

Science (221)

Abstract

Anionic water clusters have long been studied to infer properties of the bulk hydrated electron. We used photoelectron imaging to characterize a class of (H 2 O) n – and (D 2 O) n – cluster anions ( n ≤ 200 molecules) with vertical binding energies that are significantly lower than those previously recorded. The data are consistent with a structure in which the excess electron is bound to the surface of the cluster. This result implies that the excess electron in previously observed water-cluster anions, with higher vertical binding energies, was internally solvated. Thus, the properties of those clusters could be extrapolated to those of the bulk hydrated electron.

Bibliography

Verlet, J. R. R., Bragg, A. E., Kammrath, A., Cheshnovsky, O., & Neumark, D. M. (2005). Observation of Large Water-Cluster Anions with Surface-Bound Excess Electrons. Science, 307(5706), 93â96.

Authors 5

J. R. R. Verlet (first)
A. E. Bragg (additional)
A. Kammrath (additional)
O. Cheshnovsky (additional)
D. M. Neumark (additional)

References 29 Referenced 373

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This research is supported by NSF grant no. CHE-0350585. Additional support from the United States–Israel Binational Science Foundation is gratefully acknowledged.

Dates

Type	When
Created	20 years, 8 months ago (Dec. 16, 2004, 8:33 p.m.)
Deposited	1 year, 7 months ago (Jan. 9, 2024, 10:44 p.m.)
Indexed	3 weeks, 3 days ago (July 30, 2025, 10:11 a.m.)
Issued	20 years, 7 months ago (Jan. 7, 2005)
Published	20 years, 7 months ago (Jan. 7, 2005)
Published Print	20 years, 7 months ago (Jan. 7, 2005)

Funders 0

None

BibTeX

@article{Verlet_2005, title={Observation of Large Water-Cluster Anions with Surface-Bound Excess Electrons}, volume={307}, ISSN={1095-9203}, url={http://dx.doi.org/10.1126/science.1106719}, DOI={10.1126/science.1106719}, number={5706}, journal={Science}, publisher={American Association for the Advancement of Science (AAAS)}, author={Verlet, J. R. R. and Bragg, A. E. and Kammrath, A. and Cheshnovsky, O. and Neumark, D. M.}, year={2005}, month=jan, pages={93–96} }

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  "abstract": "<jats:p>\n            Anionic water clusters have long been studied to infer properties of the bulk hydrated electron. We used photoelectron imaging to characterize a class of (H\n            <jats:sub>2</jats:sub>\n            O)\n            <jats:italic>\n              <jats:sub>n</jats:sub>\n            </jats:italic>\n            <jats:sup>\u2013</jats:sup>\n            and (D\n            <jats:sub>2</jats:sub>\n            O)\n            <jats:italic>\n              <jats:sub>n</jats:sub>\n            </jats:italic>\n            <jats:sup>\u2013</jats:sup>\n            cluster anions (\n            <jats:italic>n</jats:italic>\n            \u2264 200 molecules) with vertical binding energies that are significantly lower than those previously recorded. The data are consistent with a structure in which the excess electron is bound to the surface of the cluster. This result implies that the excess electron in previously observed water-cluster anions, with higher vertical binding energies, was internally solvated. Thus, the properties of those clusters could be extrapolated to those of the bulk hydrated electron.\n          </jats:p>",
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