| 摘要 |
In one of its aspects, the invention relates to compounds of formula (I), wherein M is Eu, Tb or Dy, Sm; R2 is hydrogen or C1-C6alkyl, and R1 and R3 are each independently of the other phenyl, hydrogen or C1-C6alkyl, and L is p-N,N-dimethylaminopyridine, N-methylimidazole or p-methoxypyridine-N-oxide. The invention also relates to the use of these compounds for optical sensors sensitive to impact, tension or pressure. |
