The Nd28 cluster pictured here is significant not only because it is the largest lanthanide cluster known, but also because it has the highest NIR quantum efficiency reported for a 'molecular' Nd compound.
For more information see M. Romanelli, G. A. Kumar, R. E. Riman, T. J. Emge, and J. G. Brennan, "Highly Emissive Nanoscale Lanthanide Fluoride Clusters", Angew. Chemie. 2008, 47, 6049.
Year of Research Highlight: 2008