Conformation-controlled luminescent properties of lanthanide clusters containing p-tert-butylsulfonylcalix[4]arene

被引：50

作者：

Kajiwara, Takashi ^{[1
]}

Katagiri, Kensuke

Hasegawa, Miki

Ishii, Ayumi

Ferbinteanu, Marilena

Takaishi, Shinya

Ito, Tasuku

Yamashita, Masahiro

Iki, Nobuhiko

机构：

[1] Tohoku Univ, Grad Sch Sci, Dept Chem, Aoba Ku, Sendai, Miyagi 9808578, Japan

[2] Japan Sci & Technol Agcy, CREST, Aoba Ku, Sendai, Miyagi 9808578, Japan

[3] Aoyama Gakuin Univ, Coll Sci & Engn, Dept Chem & Biol Sci, Sagamihara, Kanagawa 2298558, Japan

[4] Tohoku Univ, Grad Sch Environm Studies, Dept Environm Studies, Sendai, Miyagi 9808579, Japan

来源：

INORGANIC CHEMISTRY | 2006年 / 45卷 / 13期

关键词：

D O I：

10.1021/ic060397t

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Dinuclear and cubane-shaped lanthanide cluster complexes containing Eu-III and Tb-III were synthesized by step-by-step construction using p-tert-butylsulfonylcalix[4]arene as a cluster-forming ligand. The sulfonylcalixarene adopts a pinched-cone conformation in the dinuclear complexes and a cone conformation in the cubane complexes. Because the calixarene has a large pi-conjugate system expanding over the entire molecule, it behaves as a good antenna chromophore for UV and near-UV light, and a slight conformational change of the calixarene ( from cone to pinched-cone and vice versa) has an effect on the energy levels of excited S-1 and T-1 states. As a result, selectivity is observed in the luminescent properties of dinuclear and cubane-shaped systems of Eu-III and Tb-III.

引用

页码：4880 / 4882

页数：3

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