A designer ligand field for blue-green luminescence of organoeuropium(II) sandwich complexes with cyclononatetraenyl ligands,Chemical Communications

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A designer ligand field for blue-green luminescence of organoeuropium(II) sandwich complexes with cyclononatetraenyl ligands
Chemical Communications ( IF 4.3 ) Pub Date : 2017-05-11 00:00:00 , DOI: 10.1039/c7cc03045b
Kenshiro Kawasaki _{1,

2,

3,

4,

5} , Rion Sugiyama _{1,

2,

3,

4,

5} , Takashi Tsuji _{1,

2,

3,

4,

5} , Takeshi Iwasa _{1,

2,

3,

4,

5} , Hironori Tsunoyama _{1,

2,

3,

4,

5} , Yoshiyuki Mizuhata _{5,

6,

7,

8} , Norihiro Tokitoh _{5,

6,

7,

8} , Atsushi Nakajima _{1,

2,

3,

4,

5}

Affiliation

A novel η⁹-coordinated double-decker sandwich complex of divalent europium is synthesized. The complex exhibits blue-green photoluminescence at 516 nm, which is significantly blue-shifted from those of other organoeuropium(II) sandwich complexes (∼630 nm). The blue-shift was quantitatively explained by the weakened electrostatic field of the expanded 10-π ring.

中文翻译：

具有环壬酸酯基烯基配体的有机eur（II）三明治复合物蓝绿色发光的设计配体场

一种新颖的η ⁹配位的双层夹心复合物的二价铕的合成。该复合物在516 nm处显示出蓝绿色光致发光，与其他有机organo（II）夹心复合物（〜630 nm）相比，发生了明显的蓝移。蓝移可以通过扩展的10-π环的弱静电场定量地解释。

更新日期：2017-05-19

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