"Ligand-Free" Cluster Quantized Charging in an Ionic Liquid
Journal article published in 2011 by
Stijn F. L. Mertens 
,
Christian Vollmer,
Alexander Held,
Myriam H. Aguirre,
Michael Walter ,
Christoph Janiak,
Thomas Wandlowski
,
Christian Vollmer,
Alexander Held,
Myriam H. Aguirre,
Michael Walter ,
Christoph Janiak,
Thomas Wandlowski
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Abstract
On a charge: The experimental capacitance per cluster (C) as a function of charge state (z, see picture) confirms the quantized charging of “ligand-free” metal clusters in an ionic liquid. DFT calculations indicate a switch in orientation of the ionic shell around the clusters when the sign of the charge changes, and explain the maximum capacitance at zero charge.