| 简介 |
A rare earth metal complex represented by the formula (1) below emits very monochromatic light which is derived from the rare earth metal ions, and provides a light-emitting material having high luminous (quantum) efficiency and excellent durability. [In the formula, M represents La or the like; A represents a benzene ring or the like; R1 represents -COO- group or the like; R2 and R3 independently represent a hydrogen atom, halogen atom or the like; and n and m respectively represent an integer of 1 or more.] |
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