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  • The First Europium( III) b- Diketonate Complex Functionalized Polyhedral Oligomeric Silsesquioxane
  • 来源:李焕荣教授个人网站 2014-06-07
  • The first europium(III) -diketonate complex functionalized polyhedral oligomeric silsesquioxane (POSS) has been obtained by immobilization of such a complex at a silicon vertex of the POSS cage through the complexation of Eu3+ ions with thenoyltrifluoroacetone-functionalized POSS. The new molecular hybrid material is liquid at room temperature, and shows bright-red emission when irradiated with UV light due to energy transfer from the thenoyltrifluoroacetone ligand to the coordinated Eu3+ ions. Thermal analysis has revealed a significant improvement in the thermal stability of the material compared with tris(2-thenoyltrifluoroacetonate)europium(III) dihydrate, [Eu(TTA)(3)]2H(2)O. In the context of recent advances in printable electronic technology, this novel luminescent organic liquid with the characteristic emission of Eu3+ may potentially be useful in the development of next-generation organic devices such as flexible displays.
  • [来源:中国聚合物网]
  • 了解更多请进入: 李焕荣教授个人网站
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