Abstract
Present-day technologies see the development of many lanthanide-containing materials with light-emitting and/or light-conversion properties, ranging from amplifiers for fiber-optic communications to electroluminescent lighting devices, X-ray intensifying screens, materials for bioassays and bioimaging, security inks and tags. Many light-converting materials are inorganic phosphors, but there is growing interest for molecular devices built from organic ligands. In addition, coordination polymers and inorganic–organic hybrid materials have also come under the scrutiny of developers of high-performance optical materials and systems. This article outlines the principles to be followed for an efficient design of organic receptors able to encapsulate trivalent lanthanide ions and to enhance their photophysical properties. It also presents selected examples of luminescent systems, including inorganic phosphors, and their applications.
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