Photoluminescent Europium Complexes with Oxygen and/or Nitrogen Donating Ligands

Abstract:

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The reaction of EuX3 ·nH2O (X=Cl¯ , NO3¯ ), a- pyridoin anion (P) and 2,2¢-dipyridylamine in ethanol solution yields a hydroxo complex, EuP2(OH) 2(H2O) 2, which is characterized by NMR, IR, and elemental analyses. Europium complexes coordinated by nitrogen donating ligands such as 2,2¢-dipyridylamine or 2¢-hydroxypyridine are unstable in solution and are prone to decompose to europium hydroxo complex and pyridinium amine salt. The UV and PL spectra of europium complexes are reported and a decomposition mechanism is proposed.

Info:

Periodical:

Key Engineering Materials (Volumes 277-279)

Edited by:

Kwang Hwa Chung, Yong Hyeon Shin, Sue-Nie Park, Hyun Sook Cho, Soon-Ae Yoo, Byung Joo Min, Hyo-Suk Lim and Kyung Hwa Yoo

Pages:

966-971

DOI:

10.4028/www.scientific.net/KEM.277-279.966

Citation:

Y. Oh et al., "Photoluminescent Europium Complexes with Oxygen and/or Nitrogen Donating Ligands", Key Engineering Materials, Vols. 277-279, pp. 966-971, 2005

Online since:

January 2005

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$35.00

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