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  Photoelectron spectra of alkali metal–ammonia microjets: From blue electrolyte to bronze metal

Buttersack, T., Mason, P. E., McMullen, R. S., Schewe, H. C., Martinek, T., Brezina, K., et al. (2020). Photoelectron spectra of alkali metal–ammonia microjets: From blue electrolyte to bronze metal. Science, 368(6495), 1086-1091. doi:10.1126/science.aaz7607.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0006-86CA-F Version Permalink: http://hdl.handle.net/21.11116/0000-0006-93FF-5
Genre: Journal Article

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 Creators:
Buttersack, Tillmann1, 2, Author
Mason, Philip E.1, Author
McMullen, Ryan S.2, Author
Schewe, Hanns Christian3, Author              
Martinek, Tomas1, Author
Brezina, Krystof1, 4, Author
Crhan, Martin1, Author
Gomez, Axel1, 5, Author
Hein, Dennis6, 7, Author
Wartner, Garlef6, 7, Author
Seidel, Robert6, 7, Author
Ali, Hebatallah3, Author              
Thürmer, Stephan8, Author
Marsalek, Ondrej4, Author
Winter, Bernd3, Author              
Bradforth, Stephen E.2, Author
Jungwirth, Pavel1, Author
Affiliations:
1Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Flemingovo nám. 2, 16610 Prague 6, Czech Republic, ou_persistent22              
2Department of Chemistry, University of Southern California, Los Angeles, CA 90089-0482, USA, ou_persistent22              
3Molecular Physics, Fritz Haber Institute, Max Planck Society, ou_634545              
4Charles University, Faculty of Mathematics and Physics, Ke Karlovu 3, 121 16 Prague 2, Czech Republic, ou_persistent22              
5Département de Chimie, École Normale Supérieure, PSL University, 75005 Paris, France, ou_persistent22              
6Helmholtz-Zentrum Berlin für Materialien und Energie, Albert-Einstein-Strasse 15, D-12489 Berlin, Germany, ou_persistent22              
7Department of Chemistry, Humboldt-Universität zu Berlin, Brook-Taylor-Str. 2, D-12489 Berlin, Germany, ou_persistent22              
8Department of Chemistry, Graduate School of Science, Kyoto University, Kitashirakawa-Oiwakecho, Sakyo-Ku, Kyoto 606-8502, Japan, ou_persistent22              

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 Abstract: Experimental studies of the electronic structure of excess electrons in liquids—archetypal quantum solutes—have been largely restricted to very dilute electron concentrations. We overcame this limitation by applying soft x-ray photoelectron spectroscopy to characterize excess electrons originating from steadily increasing amounts of alkali metals dissolved in refrigerated liquid ammonia microjets. As concentration rises, a narrow peak at ~2 electron volts, corresponding to vertical photodetachment of localized solvated electrons and dielectrons, transforms continuously into a band with a sharp Fermi edge accompanied by a plasmon peak, characteristic of delocalized metallic electrons. Through our experimental approach combined with ab initio calculations of localized electrons and dielectrons, we obtain a clear picture of the energetics and density of states of the ammoniated electrons over the gradual transition from dilute blue electrolytes to concentrated bronze metallic solutions.

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Language(s): eng - English
 Dates: 2019-10-092020-04-032020-06-05
 Publication Status: Published in print
 Pages: 6
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1126/science.aaz7607
 Degree: -

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Title: Science
  Other : Science
Source Genre: Journal
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Publ. Info: Washington, D.C. : American Association for the Advancement of Science
Pages: 6 Volume / Issue: 368 (6495) Sequence Number: - Start / End Page: 1086 - 1091 Identifier: ISSN: 0036-8075
CoNE: https://pure.mpg.de/cone/journals/resource/991042748276600_1