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四座のシッフ塩基を配位子とするEu(III)単核錯体の溶液中の発光特性

Luminescence properties of mononuclear europium(III) complex with tetradentate Schiff base ligands in solutions

大草 雅子*; 槌本 昌信*; 渡邉 雅之   ; 中島 清彦*

Okusa, Masako*; Tsuchimoto, Masanobu*; Watanabe, Masayuki; Nakajima, Kiyohiko*

四座のsalen型シッフ塩基を配位子とするEu(III)単核錯体、(C$$_{2}$$H$$_{5}$$)$$_{3}$$NH[Eu(L)$$_{2}$$](L: 3,5Clsalen)は360nm付近の紫外線を照射すると強い赤色発光を示す。この錯体の誘導体では配位子の構造や対イオンを変えると固体中における発光強度が変化する。本研究では、対イオンにX=(C$$_{2}$$H$$_{5}$$)$$_{3}$$NH $$^{+}$$, (C$$_{2}$$H$$_{5}$$)$$_{4}$$N $$^{+}$$を持つ単核錯体について、異なる溶液中の発光特性について検討した。

Mononuclear Eu(III) complexes with tetradentate schiff base ligands (C$$_{2}$$H$$_{5}$$)$$_{3}$$NH[Eu(L)$$_{2}$$] (L:3,5Clsalen) exhibits strong red luminescence under ultraviolet light at 360 nm. The derivatives of this complex varies its luminescence in the solid state by the structural change of the ligand or counter cation. In this presentation, luminescence properties of mononuclear europium(III) complex with tetradentate Schiff base ligands and different counter cations such as X=(C$$_{2}$$H$$_{5}$$)$$_{3}$$NH $$^{+}$$, (C$$_{2}$$H$$_{5}$$)$$_{4}$$N $$^{+}$$ in solutions were investigated.

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