Luminescent magnetic materials

Luminescence Magnetic Materials Periodic Table (Chemistry) Superconductivity... 

Luminescent magnetic materials. They can be useful in combined detection and separation in bioanalytical assays. For instance, polymer coated 7-Fe203 cores and CdSe/ZnS shells with immobilized anticycline E antibodies have been used for the separation and observation of MCF-7 breast cancer cells. " Materials joining potentially tunable optical and magnetic properties have been proposed that are composed of three-dimensional binary superlattices of self-assembled 7-Fe20j and PbSe nanoparticles. ... 

Bis(P-diketones) ligands, were proved to be efficient motifs or structural elements for selfassembling highly luminescent metallo-supramolecular lanthanide complexes [53-59] and representative examples (H2L" ) are shown in Figure 2.8. Special attention has also been paid to the use of enantiomerically pure bis-P-diketones ofH2L " [58]. H2L ° in Figure 2.8 was shown to have the ability to form d-f-d molecular magnetic materials [60]. 

ID coordination polymer assemblies have attracted much attention in the development of new functional materials owing to such properties as zeolitic behavior, conductivity, luminescence, magnetism, spin-crossover, and nonlinear optical effects [76]. ID coordination chains in solution were obtained from Fe and ditopic bis-terpyridines on graphite [109]. Also, polymeric ro-taxane chains consisting of cyclodextrins-dipyridine units connected by coordination with Ni ions [259], and [CuBr-(isoniconitic acid)] polymeric chains [260] were investigated regarding their surface assembly behavior. 

Metal-polymer nanocomposites can be exploited for a number of technological applications. The functional uses of these materials are related primarily to their unique combination of high transparency in the visible spectral range with other physical properties (e.g., luminescence, magnetism, surface plasmon resonance, ultrahigh or ultralow refractive index, optical nonlinearity). 

Superparamagnetic behavior of porous silicon loaded with a magnetic material could also be achieved by the deposition of Ni within luminescent stain-etched porous silicon (Nakamura and Adachi 2012). Furthermore, porous silicon with adsorbed parabenzoquinone molecules resulted in a nanocomposite which exhibited paramagnetic properties (Antropov et al. 2012). However, this could be due to the occurrence of additional dangling bonds due to nanostructuring, rather than the loading of the porous silicon with organic molecules. 

The large numbers of published MOFs primarily include transition metals. However, incorporation of RE ions, primarily from the lanthanide series, incorporates an added advantage due to their luminescent, magnetic, and electronic properties that arise from the 4f electronic shells. This chapter describes various applications involving RE-containing MOFs besides discussing the fimdamental chemistry exploited for their usefulness as potential materials. 

Carboxylate Lanthanide Complexes with Multi-dentate Ligands Lanthanides Luminescence Applications Lanthanides in Living Systems Luminescence Luminescent Bioprobes Metal-Organic Frameworks Molecular Magnetic Materials Near-Infrared Materials. 

Nanoparticles of ZnS activated by a metal ion form a special class of luminescent materials. The incorporation of impurities or defects into SC lattices is the primary means of controlling electrical conductivity and may also have an immense effect on the optical, luminescent, magnetic, or other physical properties of the SC [71]. Usually, most of the doped ZnS nanocrystals reported have a low luminescence quantum yield (QY), especially those synthesized in aqueous solution, compared with microcrystals. A number of papers have reported on the luminescence of nanocrystalline ZnS doped with different ions, such as ZnS Mn [72-75], ZnS Eu, ZnS Er and ZnS Tb [76,77], ZnS Ag [78,79], ZnS Au [80], ZnS Cu [81-83], ZnS Sm and ZnS Pb [84,85]. 

Nonstoichiometric oxide phases are of great importance in semiconductor devices, in heterogeneous catalysis and in understanding photoelectric, thermoelectric, magnetic and diffusional properties of solids. They have been used in thermistors, photoelectric cells, rectifiers, transistors, phosphors, luminescent materials and computer components (ferrites, etc.). They are cmcially implicated in reactions at electrode surfaces, the performance of batteries, the tarnishing and corrosion of metals, and many other reactions of significance in catalysis. ... 

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