Highly luminescent superparamagnetic diterbium(III) complex based on the bifunctionality of p-tert-butylsulfonylcalix[4]arene

Takashi Kajiwara, Miki Hasegawa, Ayumi Ishii, Kensuke Katagiri, Munkhtsetseg Baatar, Shinya Takaishi, Nobuhiko Iki, Masahiro Yamashita

Research output: Contribution to journalArticlepeer-review

31 Citations (Scopus)

Abstract

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 TbIII 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.

Original languageEnglish
Pages (from-to)5565-5568
Number of pages4
JournalEuropean Journal of Inorganic Chemistry
Issue number36
DOIs
Publication statusPublished - 2008 Dec

Keywords

  • Calixarenes
  • Dinuclear complexes
  • Luminescence
  • Magnetic properties
  • Terbium

ASJC Scopus subject areas

  • Inorganic Chemistry

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