Synthesis and characterization of electrochemiluminescent ruthenium(II) complexes containing o-phenanthroline and various α-diimine ligands

Byeong Hyo Kim, Do Nam Lee, Hae Jin Park, Jung Hyo Min, Young Moo Jun, Se Jong Park, Wonyong Lee

Research output: Contribution to journalArticle

42 Citations (Scopus)

Abstract

A series of o-phenanthroline-substituted ruthenium(II) complexes containing 2,2′-dipyridyl, 2-(2-pyridyl)benzimidazole, 2-(2-pyridyl)-N-methylbenzimidazole, 4-carboxymethyl-4′-methyl-2,2′- dipyridyl, and/or 4,4′-dimethyl-2,2′-dipyridyl ligands were synthesized and examined as potent electrochemiluminescent (ECL) materials. The characteristics of these complexes, regarding their electrochemical redox potentials and relative ECL intensities for tripropylamine were studied. As found in a 2,2′-bipyridyl-substituted ruthenium(II) complexes, a good correlation between the observed ECL intensity and the donor ability of α-diimine ligands was observed, i.e., the ECL intensity of the Ru(II) complex decreased with an increase in the ligand donor ability. The ECL efficiency increased as the number of substitutions of o-phenanthroline (o-phen) to metal complexes increased.

Original languageEnglish
Pages (from-to)595-602
Number of pages8
JournalTalanta
Volume62
Issue number3
DOIs
Publication statusPublished - 2004 Feb 27

Fingerprint

Ruthenium
Ligands
2,2'-Dipyridyl
Coordination Complexes
Oxidation-Reduction
Substitution reactions
1,10-phenanthroline

All Science Journal Classification (ASJC) codes

  • Analytical Chemistry
  • Chemistry(all)
  • Biochemistry
  • Spectroscopy

Cite this

Kim, Byeong Hyo ; Lee, Do Nam ; Park, Hae Jin ; Min, Jung Hyo ; Jun, Young Moo ; Park, Se Jong ; Lee, Wonyong. / Synthesis and characterization of electrochemiluminescent ruthenium(II) complexes containing o-phenanthroline and various α-diimine ligands. In: Talanta. 2004 ; Vol. 62, No. 3. pp. 595-602.
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Synthesis and characterization of electrochemiluminescent ruthenium(II) complexes containing o-phenanthroline and various α-diimine ligands. / Kim, Byeong Hyo; Lee, Do Nam; Park, Hae Jin; Min, Jung Hyo; Jun, Young Moo; Park, Se Jong; Lee, Wonyong.

In: Talanta, Vol. 62, No. 3, 27.02.2004, p. 595-602.

Research output: Contribution to journalArticle

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