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“Ligand‐Free” Cluster Quantized Charging in an Ionic Liquid
Author(s) -
Mertens Stijn F. L.,
Vollmer Christian,
Held Alexander,
Aguirre Myriam H.,
Walter Michael,
Janiak Christoph,
Wandlowski Thomas
Publication year - 2011
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.201104381
Subject(s) - capacitance , cluster (spacecraft) , charge (physics) , ionic bonding , chemical physics , ligand (biochemistry) , sign (mathematics) , ionic potential , ionic liquid , materials science , ion , atomic physics , chemistry , molecular physics , physics , electrode , computer science , quantum mechanics , mathematical analysis , biochemistry , receptor , mathematics , programming language , catalysis , organic chemistry
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.
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