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

Research output: Contribution to journal › Article › Research › peer review

Authors

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

External Research Organisations

  • Johannes Gutenberg University Mainz
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Details

Original languageEnglish
Pages (from-to)105-113
Number of pages9
JournalChemical Physics
Volume262
Issue number1
Publication statusPublished - 1 Dec 2000
Externally publishedYes

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.

Keywords

    Stability and fragmentation of clusters

ASJC Scopus subject areas

Cite this

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, Vol. 262, No. 1, 01.12.2000, p. 105-113.

Research output: Contribution to journal › Article › Research › 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 Dec 1;262(1):105-113. doi: 10.1016/S0301-0104(00)00213-5
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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.

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