Decay pathway determination of even-size dicationic silver clusters: Ag16/2+ and Ag18/2+ -revisited by pre-precursor selection and sequential decay

Publikation: Beitrag in Fachzeitschrift › Artikel › Forschung › Peer-Review

Autorschaft

  • S. Krückeberg
  • L. Schweikhard
  • G. Dietrich
  • K. Lützenkirchen
  • Clemens Walther
  • J. Ziegler

Externe Organisationen

  • Johannes Gutenberg-Universität Mainz
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Details

OriginalspracheEnglisch
Seiten (von - bis)105-113
Seitenumfang9
FachzeitschriftChemical Physics
Jahrgang262
Ausgabenummer1
PublikationsstatusVeröffentlicht - 1 Dez. 2000
Extern publiziertJa

Abstract

It is demonstrated how by selection of pre-precursor cluster ions Ag(2n-1)/2+ and collision-induced dissociation an ensemble of Ag(2n)/2+ can be produced, which is not contaminated by Ag(n)/+ clusters of the same size-to-charge state ratio, n/z. By use of this technique, Ag16/2+ and Ag18/2+ precursor ensembles have been prepared for further investigations. They are observed to decay by neutral monomer evaporation, Ag(2n)/2+→ Ag(2n-1)/2+ + Ag, and trimer fission, Ag(2n)/2+ → Ag(2n-3)/+ + Ag3/+, and show no sign of symmetric fission. (C) 2000 Elsevier Science B.V.

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Decay pathway determination of even-size dicationic silver clusters: Ag16/2+ and Ag18/2+ -revisited by pre-precursor selection and sequential decay. / Krückeberg, S.; Schweikhard, L.; Dietrich, G. et al.
in: Chemical Physics, Jahrgang 262, Nr. 1, 01.12.2000, S. 105-113.

Publikation: Beitrag in Fachzeitschrift › Artikel › Forschung › Peer-Review

Krückeberg S, Schweikhard L, Dietrich G, Lützenkirchen K, Walther C, Ziegler J. Decay pathway determination of even-size dicationic silver clusters: Ag16/2+ and Ag18/2+ -revisited by pre-precursor selection and sequential decay. Chemical Physics. 2000 Dez 1;262(1):105-113. doi: 10.1016/S0301-0104(00)00213-5
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title = "Decay pathway determination of even-size dicationic silver clusters: Ag16/2+ and Ag18/2+ -revisited by pre-precursor selection and sequential decay",
abstract = "It is demonstrated how by selection of pre-precursor cluster ions Ag(2n-1)/2+ and collision-induced dissociation an ensemble of Ag(2n)/2+ can be produced, which is not contaminated by Ag(n)/+ clusters of the same size-to-charge state ratio, n/z. By use of this technique, Ag16/2+ and Ag18/2+ precursor ensembles have been prepared for further investigations. They are observed to decay by neutral monomer evaporation, Ag(2n)/2+→ Ag(2n-1)/2+ + Ag, and trimer fission, Ag(2n)/2+ → Ag(2n-3)/+ + Ag3/+, and show no sign of symmetric fission. (C) 2000 Elsevier Science B.V.",
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T2 - Ag16/2+ and Ag18/2+ -revisited by pre-precursor selection and sequential decay

AU - Krückeberg, S.

AU - Schweikhard, L.

AU - Dietrich, G.

AU - Lützenkirchen, K.

AU - Walther, Clemens

AU - Ziegler, J.

N1 - Funding information: This work was financed in part by the Deutsche Forschungsgemeinschaft (Schw 401/13). We further thank the Materials Science Research Center at Mainz and the Fonds der Chemischen Industrie. S.K. has been supported by the Studienstiftung des deutschen Volkes, C.W. by the Graduiertenkolleg Physik und Chemie Supramolekularer Systeme.

PY - 2000/12/1

Y1 - 2000/12/1

N2 - It is demonstrated how by selection of pre-precursor cluster ions Ag(2n-1)/2+ and collision-induced dissociation an ensemble of Ag(2n)/2+ can be produced, which is not contaminated by Ag(n)/+ clusters of the same size-to-charge state ratio, n/z. By use of this technique, Ag16/2+ and Ag18/2+ precursor ensembles have been prepared for further investigations. They are observed to decay by neutral monomer evaporation, Ag(2n)/2+→ Ag(2n-1)/2+ + Ag, and trimer fission, Ag(2n)/2+ → Ag(2n-3)/+ + Ag3/+, and show no sign of symmetric fission. (C) 2000 Elsevier Science B.V.

AB - It is demonstrated how by selection of pre-precursor cluster ions Ag(2n-1)/2+ and collision-induced dissociation an ensemble of Ag(2n)/2+ can be produced, which is not contaminated by Ag(n)/+ clusters of the same size-to-charge state ratio, n/z. By use of this technique, Ag16/2+ and Ag18/2+ precursor ensembles have been prepared for further investigations. They are observed to decay by neutral monomer evaporation, Ag(2n)/2+→ Ag(2n-1)/2+ + Ag, and trimer fission, Ag(2n)/2+ → Ag(2n-3)/+ + Ag3/+, and show no sign of symmetric fission. (C) 2000 Elsevier Science B.V.

KW - Stability and fragmentation of clusters

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