Signaling Recognition Events with Fluorescent Sensors and Switches.

Lanthanide-based luminescent hybrid materials.

Metal–organic frameworks (MOFs) or porous coordination polymers (PCPs) are open, crystalline supramolecular coordination architectures with porous facets. These chemically tailorable framework materials are the subject of intense and expansive research, and are particularly relevant in the fields of sensory materials and device engineering. As the subfield of MOF-based sensing has developed, many diverse chemical functionalities have been carefully and rationally implanted into the coordination nanospace of MOF materials. MOFs with widely varied fluorometric sensing properties have been developed using the design principles of crystal engineering and structure–property correlations, resulting in a large and rapidly growing body of literature. This work has led to advancements in a number of crucial sensing domains, including biomolecules, environmental toxins, explosives, ionic species, and many others. Furthermore, new classes of MOF sensory materials utilizing advanced signal transduction by devices based on MOF photonic crystals and thin films have been developed. This comprehensive review summarizes the topical developments in the field of luminescent MOF and MOF-based photonic crystals/thin film sensory materials.

Metal-organic frameworks: functional luminescent and photonic materials for sensing applications.

Interpretation of europium(III) spectra

Coordination complexes exhibiting room-temperature phosphorescence: Evaluation of their suitability as triplet emitters in organic light emitting diodes

A review of the luminescence properties of lanthanides, their role as structural and analytical probes and the application of lanthanide complexes in fluoroimmunological and nucleic acid hybridization assays is presented.

The lanthanides as luminescent probes in investigations of biochemical systems

The lanthanides with their well-defined energy levels provide an excellent basis to study different Ln(III)-specific energy transfer processes in a variety of chemical environments. The studies concerning intramolecular and intermolecular energy transfer processes with participation of Ln(III) ions and a variety of ligand groups in solution are reviewed. Phenomena of energy transfer from ligands to Ln(III) ions, resulting consequently in a great enhancement of the Ln(III) ion luminescence (ligand sensitized luminescence), as well as from Ln(III) to other species and between Ln(III) ions are presented.

Energy transfer in solution of lanthanide complexes

This study focuses on luminescent materials based on the antenna effect and prepared by the sol−gel method. These materials are composed of a Eu(III) complex (luminescence center) entrapped in a xerogel matrix. Luminescence properties of the lanthanide-based emitting materials depend on the efficiency of energy transfer from the absorption center (ligand) to the emission center (central ion) and on the concentration of quenchers (O−H oscillators) surrounding the central ion. In this study, such luminescence properties as * lifetime and quantum yield were improved by modifying the coordination environment of the central ion and changing anion groups and matrixes. The results of the experiments on the composition of the coordination sphere show that a cryptand ligand with aromatic groups and an aromatic coligand efficiently initiate the antenna effect, thus isolating the central ion from every efficient quencher, e.g., water molecules. Luminescence properties also depend on the anion in the Eu(III) complex ...

Luminescence Properties of Materials with Eu(III) Complexes: Role of Ligand, Coligand, Anion, and Matrix

A review of the chemiluminescent reactions in the systems containing lanthanide ions as emitters and different chemical compounds is presented. The systems in which lanthanide ions enhance the chemiluminescence intensity, thanks to the energy transfer processes, as well as the systems in which redox reactions involving lanthanide ions cause chemiluminescence and the systems showing electrogenerated luminescence and lyoluminescence are discussed.

Marian Elbanowski

Papers

The lanthanides as luminescent probes in investigations of biochemical systems

Energy transfer in solution of lanthanide complexes

Luminescence Properties of Materials with Eu(III) Complexes: Role of Ligand, Coligand, Anion, and Matrix

Chemiluminescence of systems containing lanthanide ions

Luminescence studies of Eu(III) mixed ligand complexes