摘要: Optical sensors are materials that potentially have a wide range of uses and applications in both medical environmental situations among others. can be designed to make use changes the wavelengths or extinction coefficients sensing material. Alternately 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 This chapter focused on optical incorporating metals, one feature such their detect metal ions solutions. binding site usual employ chelate macrocyclic ligands because they tailored selectively complex variety different ions. detection uncharged molecules host will usually selected its cavity matches shape size chosen guest. More recently metal-containing developed function as anion receptors, again receptor must specifically meet requirements individual anions.9
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