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Observation of electron-transfer-mediated decay in aqueous solution

Unger, Isaak (författare)
Uppsala universitet,Molekyl- och kondenserade materiens fysik,Helmholtz Zentrum Berlin Mat & Energie, Inst Methods Mat Dev, Albert Einstein Str 15, D-12489 Berlin, Germany
Seidel, Robert (författare)
Helmholtz Zentrum Berlin Mat & Energie, Inst Methods Mat Dev, Albert Einstein Str 15, D-12489 Berlin, Germany.
Thürmer, Stephan (författare)
Helmholtz Zentrum Berlin Mat & Energie, Inst Methods Mat Dev, Albert Einstein Str 15, D-12489 Berlin, Germany.;Kyoto Univ, Dept Chem, Sakyo Ku, Kyoto 6068502, Japan.
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Pohl, Marvin N. (författare)
Helmholtz Zentrum Berlin Mat & Energie, Inst Methods Mat Dev, Albert Einstein Str 15, D-12489 Berlin, Germany.
Aziz, Emad F. (författare)
Helmholtz Zentrum Berlin Mat & Energie, Inst Methods Mat Dev, Albert Einstein Str 15, D-12489 Berlin, Germany.;Free Univ Berlin, Dept Phys, Arnimallee 14, D-14159 Berlin, Germany.;Monash Univ, Sch Chem, Clayton, Vic 3800, Australia.
Cederbaum, Lorenz S. (författare)
Heidelberg Univ, Phys Chem Inst, Theoret Chem, Neuenheimer Feld 229, D-69120 Heidelberg, Germany.
Muchova, Eva (författare)
Univ Chem & Technol, Dept Phys Chem, Tech 5, Prague 16628, Czech Republic.
Slavicek, Petr (författare)
Univ Chem & Technol, Dept Phys Chem, Tech 5, Prague 16628, Czech Republic.
Winter, Bernd (författare)
Helmholtz Zentrum Berlin Mat & Energie, Inst Methods Mat Dev, Albert Einstein Str 15, D-12489 Berlin, Germany.
Kryzhevoi, Nikolai V. (författare)
Heidelberg Univ, Phys Chem Inst, Theoret Chem, Neuenheimer Feld 229, D-69120 Heidelberg, Germany.
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 (creator_code:org_t)
NATURE PUBLISHING GROUP, 2017
2017
Engelska.
Ingår i: Nature Chemistry. - : NATURE PUBLISHING GROUP. - 1755-4330 .- 1755-4349. ; 9:7, s. 708-714
Relaterad länk:
https://urn.kb.se/re...
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https://doi.org/10.1...
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  • Tidskriftsartikel (refereegranskat)
Abstract Ämnesord
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  • Photoionization is at the heart of X-ray photoelectron spectroscopy (XPS), which gives access to important information on a sample's local chemical environment. Local and non-local electronic decay after photoionization-in which the refilling of core holes results in electron emission from either the initially ionized species or a neighbour, respectively-have been well studied. However, electron-transfer-mediated decay (ETMD), which involves the refilling of a core hole by an electron from a neighbouring species, has not yet been observed in condensed phase. Here we report the experimental observation of ETMD in an aqueous LiCl solution by detecting characteristic secondary low-energy electrons using liquid-microjet soft XPS. Experimental results are interpreted using molecular dynamics and high-level ab initio calculations. We show that both solvent molecules and counterions participate in the ETMD processes, and different ion associations have distinctive spectral fingerprints. Furthermore, ETMD spectra are sensitive to coordination numbers, ion-solvent distances and solvent arrangement.

Ämnesord

NATURVETENSKAP  -- Kemi (hsv//swe)
NATURAL SCIENCES  -- Chemical Sciences (hsv//eng)

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