Women’s Contribution to F-element Science, Part Two, Volume 66 highlights women researchers, recognizing and showcasing their unique contributions to the field. Topics include nanophosphors for near Infrared imaging and energy conversion, luminescent and upconversion nanomaterials, molecular luminescence, radiopharmaceuticals, and more. Chapters in this new release include Luminescent solar concentrators: current and future applications in smart cities, Lanthanide-Based Responsive MRI Probes, Helicate coordination complexes of rare earths and their luminescent properties, Environmental and molecular facets of uranyl(V) and uranium(V) chemistry, Versatile core/shell luminescent nanoparticles for biophotonic studies, 4f-Metal ions in single molecule magnet systems.