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Synthesis and Photochemical Properties of RuII and RuII-OsII Complexes with a Long Bridging Ligand of Tetrapyridobiphenazine

Zainul Abedin Siddique ; Department of Chemistry, Chittagong University, Chittagong-4331, Bangladesh
Kajuyoshi Miyawaki ; Department of Chemistry, Graduate School of Science, Osaka University, Toyonaka-560, Japan
Takeshi Ohnob ; Department of Chemistry, Graduate School of Science, Osaka University, Toyonaka-560, Japan

Puni tekst: engleski, pdf (263 KB) str. 477-485 preuzimanja: 675* citiraj
APA 6th Edition
Siddique, Z.A., Miyawaki, K. i Ohnob, T. (2008). Synthesis and Photochemical Properties of RuII and RuII-OsII Complexes with a Long Bridging Ligand of Tetrapyridobiphenazine. Croatica Chemica Acta, 81 (3), 477-485. Preuzeto s https://hrcak.srce.hr/31136
MLA 8th Edition
Siddique, Zainul Abedin, et al. "Synthesis and Photochemical Properties of RuII and RuII-OsII Complexes with a Long Bridging Ligand of Tetrapyridobiphenazine." Croatica Chemica Acta, vol. 81, br. 3, 2008, str. 477-485. https://hrcak.srce.hr/31136. Citirano 11.04.2021.
Chicago 17th Edition
Siddique, Zainul Abedin, Kajuyoshi Miyawaki i Takeshi Ohnob. "Synthesis and Photochemical Properties of RuII and RuII-OsII Complexes with a Long Bridging Ligand of Tetrapyridobiphenazine." Croatica Chemica Acta 81, br. 3 (2008): 477-485. https://hrcak.srce.hr/31136
Harvard
Siddique, Z.A., Miyawaki, K., i Ohnob, T. (2008). 'Synthesis and Photochemical Properties of RuII and RuII-OsII Complexes with a Long Bridging Ligand of Tetrapyridobiphenazine', Croatica Chemica Acta, 81(3), str. 477-485. Preuzeto s: https://hrcak.srce.hr/31136 (Datum pristupa: 11.04.2021.)
Vancouver
Siddique ZA, Miyawaki K, Ohnob T. Synthesis and Photochemical Properties of RuII and RuII-OsII Complexes with a Long Bridging Ligand of Tetrapyridobiphenazine. Croatica Chemica Acta [Internet]. 2008 [pristupljeno 11.04.2021.];81(3):477-485. Dostupno na: https://hrcak.srce.hr/31136
IEEE
Z.A. Siddique, K. Miyawaki i T. Ohnob, "Synthesis and Photochemical Properties of RuII and RuII-OsII Complexes with a Long Bridging Ligand of Tetrapyridobiphenazine", Croatica Chemica Acta, vol.81, br. 3, str. 477-485, 2008. [Online]. Dostupno na: https://hrcak.srce.hr/31136. [Citirano: 11.04.2021.]

Sažetak
Semi rigid tetradentate p-conjugated bridging ligand, tetrapyridobiphenazine (tpbpz), its mono
and binuclear complexes of ruthenium(II) and ruthenium(II)-osmium(II) have been synthesized.
The ligand has chelation sites separated by 2.1 nm. Photochemical properties of these
complexes have been investigated using time-resolved laser spectroscopy. In the RuII-OsII
heteronuclear complex, intramolecular energy transfer occurs from a metal-to-ligand charge
transfer (MLCT) state of the RuII moiety, i.e., (3CT)Ru, to the second metal site, i.e., OsII. Molar
absorption coefficient differences (Dees) along with the excited state formation were determined
using an energy transfer method from the triplet metal-to-ligand charge transfer state
(3MLCT) of the complex to anthracene. Quantitative conversion of RuII-OsII compound to
RuII-OsIII was performed by means of electrochemistry.

Ključne riječi
photochemical property; Ru-Os complexes

Hrčak ID: 31136

URI
https://hrcak.srce.hr/31136

Posjeta: 947 *