Optical and Redox Sensors for Metal Ions

摘要: Optical and redox sensors are materials that have a wide range of uses applications in both medical environmental situations. Sensors can be designed to make use changes either the wavelength or extinction coefficient an optical sensing material, potential electroactive compound. Alternatively for emissive materials, it is possible emission intensities monitor presence absence chemical species. These species cations, anions, organic molecules. For sensor useful necessary device selective specific interest, change property material responsive consistent manner concentration being detected analyzed.1–8 The component referred as reporter molecule. molecules needs photostable, reporters oxidation-reduction step should reversible. metal ion binding site present targeted metal. In such usual employ chelate macrocyclic ligands because they tailored selectively complex variety different ions. detection uncharged host will usually selected its cavity matches shape size chosen guest. More recently, metal-containing developed function anion receptors, again receptor must specifically meet requirements individual anions.9