Journal article
Influence of Uncoordinated Anion-Radical TCNQ(a) on the Photo- and Electroluminescence Properties of Eu3+ and Tb3+ Tris(Pyrazolyl)Borate Complexes
Theoretical and experimental chemistry, v 50(3)
01 Jul 2014
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Complexes of Eu3+ and Tb3+ with tris(3-(2-pyridyl)pyrazolyl)borate (Tp(Py-)) of composition [Tp (2) (Py) Ln]Tp (Py) and [Tp (2) (Py) Ln]TCNQ (center dot) show metal-centered luminescence even in the presence of efficient luminescence quencher such as TCNQ(a) as the counter-ion. The electroluminescence spectrum of an ITO/PVK/[Tp (2) (Py) Tb]Tp(Py)/Al (PVK = poly(9-vinyl)carbazole) device showed Tb3+ emission. When [Tp (2) (Py) Ln]TCNQ (center dot) is used as the emitting layers presumably the emission of separate carbazole fragments of PVK was observed, which may be due to a breakdown in packing of the carbazole fragments upon the inclusion into stacks of the TCNQ(a) anion-radicals. Very weak emission of the Tb3+ ion was detected in the LED with the [Tp (2) (Py) Ln]TCNQ (center dot) complex.
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Details
- Title
- Influence of Uncoordinated Anion-Radical TCNQ(a) on the Photo- and Electroluminescence Properties of Eu3+ and Tb3+ Tris(Pyrazolyl)Borate Complexes
- Creators
- E. A. Mikhalyova - Natl Acad Sci Ukraine, LV Pisarzhevskii Inst Phys Chem, UA-03028 Kiev, UkraineA. V. Yakovenko - Natl Acad Sci Ukraine, LV Pisarzhevskii Inst Phys Chem, UA-03028 Kiev, UkraineS. S. Smola - Natl Acad Sci Ukraine, AV Bogatskii Physicochem Inst, UA-65080 Odesa, UkraineV. P. Dotsenko - Natl Acad Sci Ukraine, AV Bogatskii Physicochem Inst, UA-65080 Odesa, UkraineM. Zeller - Youngstown State Univ, STARBURSTT CyberInstrumentat Consortium, Youngstown, OH 44555 USAA. W. Addison - Drexel UniversityV. V. Pavlishchuk - Natl Acad Sci Ukraine, LV Pisarzhevskii Inst Phys Chem, UA-03028 Kiev, Ukraine
- Publication Details
- Theoretical and experimental chemistry, v 50(3)
- Publisher
- Springer Nature
- Number of pages
- 8
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Chemistry
- Web of Science ID
- WOS:000340944400004
- Scopus ID
- 2-s2.0-84906495469
- Other Identifier
- 991019168953604721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Chemistry, Multidisciplinary