Complexation and Fluorescence Behavior of Tris[(1-naphthoyloxy)ethyl]amine

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  • Kubo Kanji
    Institute of Advanced Material Study Kyushu University
  • Yamamoto Emi
    Graduate School of Engineering Sciences Kyushu University
  • Sakurai Tadamitsu
    Department of Applied Chemistry Faculty of Engineering Kanagawa University
  • Kato Nobuo
    Institute of Advanced Material Study Kyushu University
  • Mori Akira
    Institute of Advanced Material Study Kyushu University

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Abstract

Tris[(1-naphthoyloxy)ethyl]amine (1) was found to display unique photophysical properties in the presence of the guest cations. The amine (1) revealed a broad emission band around 440nm that is typical of a structureless emission of a naphthoyl excimer and a naphthalene-amine exciplex. From the result of X-ray analysis, the amine (1) adopt a tripod conformation with crystallographic C_3 symmetry. Complexation of 1 with Al^<3+> increased the emission intensity of a factor by 5.3 in H_2O-CH_3OH (1:1 v/v).

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