1. Department of Chemistry, Kyungpook National University, Taegu, 702-701, Korea;
2. National Institute of Agricultural Science & Technology, Suwon, 441-707, Korea
Abstract:
Several trivalent lanthanide ions are known to exhibit excellent luminescence characteristics when they are coordinated with appropriate organic ligands. Various analytical methods have been developed to determine lanthanide ions or organic compounds by taking advantage of these luminescence characteristics. The luminescence enhancement of the lanthanide ions by complexation with organic ligands has been explained on the basis of a ligand to metal energy transfer process.