Time-resolved ESR spectra have been observed for the lowest triplet states of s-transd,b'dimethyl-2,2'-bipyridine (s-transdmbpy), metal-free s-cis-dmbpy and [Zn(dmbpy) I'+ in rigid solutions at 77 K. The results indicate that, following the conformational change of dmbpy, the sublevel initially popu
Effects of protonation and coordination to zinc(II) ion on the triplet state of 2,2′-biquinoline: A time-resolved ESR study
✍ Scribed by Mikio Yagi; Akira Saitoh; Keiichi Takano; Kazuhiro Suzuki; Jiro Higuchi
- Publisher
- Elsevier Science
- Year
- 1985
- Tongue
- English
- Weight
- 293 KB
- Volume
- 118
- Category
- Article
- ISSN
- 0009-2614
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Time-resolved ESR spectra have been observed for the lowest triplet states of 2,2'-bipyridine (bpy) and singly protonated bpy (bpyH+) in ethanol at 77 K. With the aid of computer simulation, it is concluded that the T, sublevel is most active in S, +T, intersystem crossing in both molecules studied
## Abstract We have synthesized ruthenium(II)– and osmium(II)–polypyridyl complexes ([M(bpy)~2~**L**]^2+^, in which M=Os^II^ or Ru^II^, bpy=2,2′‐bipyridyl, and **L**=4‐(2,2′‐bipyridinyl‐4‐yl)benzene‐1,2‐diol) and studied the interfacial electron‐transfer process on a TiO~2~ nanoparticle surface usi