Photophysical study of a cyclophane displaying intramolecular exciplex emission

被引：14

作者：

Galindo, F ^{[1
]}

Burguete, MI ^{[1
]}

Luis, SV ^{[1
]}

机构：

[1] Univ Jaume 1, ETSCE, Dept Quim Inorgan & Organ, E-12071 Castellon de La Plana, Spain

来源：

CHEMICAL PHYSICS | 2004年 / 302卷 / 1-3期

关键词：

D O I：

10.1016/j.chemphys.2004.04.015

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 [物理化学]; 081704 [应用化学];

摘要：

The photophysical behavior of cyclophane 1, comprised by two L-valine units and one naphthalene ring, has been studied. It displays exciplex (EX) emission with a maximum in the range 390-460 nm, depending on solvent polarity. From this dependence a dipole moment of 19.4 D for the excited charge-transfer state has been calculated. Fluorescence quantum yields in organic media ranging from 0.012 to 0.038 have been measured. This phenomenon has been interpreted taking into account the rigidity imposed by the cyclophane framework which could pre-orient the donor and the acceptor subunits for a favorable interaction. (C) 2004 Elsevier B.V. All rights reserved.

引用

页码：287 / 294

页数：8

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