Efficient trapping of silver cations in a rare gas matrix: Ag3+ in argon

Mass selected cations of Ag-clusters are deposited, together with Ar seeded with CO$_2$ (or other electron scavengers such as O$_2$, N$_2$O, or CCl$_4$), on a cold substrate, while being flooded with low energy electrons. Optical absorption measurements reveal an efficient trapping of Ag cluster cations in the Ar matrix, provided CO$_2$ or another electron scavenger is present to ensure charge neutrality of the matrix. The spectrum of Ag$_3^+$ thus obtained is in excellent agreement with previous predictions from quantum chemical calculations.


Published in:
J. Chem. Phys., 126, 204507
Year:
2007
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 Record created 2006-08-31, last modified 2018-12-03

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