影像科学与光化学 ›› 1998, Vol. 16 ›› Issue (4): 295-299.DOI: 10.7517/j.issn.1674-0475.1998.04.295

• 研究快讯 • 上一篇    下一篇

冠醚连接的给体-受体化合物中分子内远程三重态能量传递

佟振合, 许晓赫   

  1. 中国科学院感光化学研究所, 北京 100101
  • 收稿日期:1998-05-03 修回日期:1998-05-13 出版日期:1998-11-20 发布日期:1998-11-20
  • 通讯作者: 佟振合
  • 基金资助:
    国家自然科学基金资助项目(批准号:295020120),中国科学院基础研究重大项目(KJ951-A 1-503-04)资助课题

INTRAMOLECULAR LONG-DISTANCE ENERGY TRANSFER THROUGH CROWN-ETHER SPACER

TONG Zhenhe(Tung Chen-Ho), XU Xiaohe   

  1. Institute of Photographic Chemistry, Tthe Chinese Academy of Sciences, Beijing 100101, P. R. China
  • Received:1998-05-03 Revised:1998-05-13 Online:1998-11-20 Published:1998-11-20

摘要: 本文合成了用冠醚连接的二苯酮基(给体)和萘基(受体)的二元化合物,用稳态和时间分辨光谱研究了该化合物分子内远程三重态能量传递,证实当冠醚络合钠离子以后,可以发生有效的分子内远程三重态能量传递,对传递机制进行了讨论。

关键词: 三重态能量传递, 冠醚, 二苯酮,

Abstract: T riplet-triplet energy transfer proceeds via Dext erelec ron exchange interaction[1].The rate constant for such an energy transfer decreases exponentially with increasing thedonor-acceptor distance,and will become negligibly small as the donor-accept or distance increases beyond the sum of their van der Waals radii.

Key words: triplet energy transfer, crown-ether, benzophenone, naphthalene