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Highly Luminescent Superparamagnetic Diterbium(III) Complex Based on the Bifunctionality of p ‐ tert ‐Butylsulfonylcalix[4]arene
Author(s) -
Kajiwara Takashi,
Hasegawa Miki,
Ishii Ayumi,
Katagiri Kensuke,
Baatar Munkhtsetseg,
Takaishi Shinya,
Iki Nobuhiko,
Yamashita Masahiro
Publication year - 2008
Publication title -
european journal of inorganic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.667
H-Index - 136
eISSN - 1099-0682
pISSN - 1434-1948
DOI - 10.1002/ejic.200800706
Subject(s) - chemistry , superparamagnetism , chromophore , luminescence , quantum yield , yield (engineering) , relaxation (psychology) , antenna effect , ion , anisotropy , photochemistry , crystallography , optoelectronics , magnetization , optics , organic chemistry , fluorescence , magnetic field , psychology , social psychology , physics , materials science , quantum mechanics , metallurgy
A diterbium(III) complex was synthesized by using p‐tert ‐butylsulfonylcalix[4]arene, which adopts a 1,2‐alternate conformation, acts as a sensitive optical‐antenna chromophore for UV and near‐UV light and causes easy‐axis magnetic anisotropy in the Tb III ions. The complex showed efficient ff emission with a corrected quantum yield of ca. 85 % even at room temperature. In addition, it showed superparamagnetic behaviour due to slow magnetic relaxation at low temperatures.(© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2008)

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