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Volumn 48, Issue 10, 2009, Pages 4400-4410

Characterization of intermediary redox states of the water oxidation catalyst, [Ru(bpy) 2(OH 2)]2O 4+

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EID: 66149120148     PISSN: 00201669     EISSN: None     Source Type: Journal    
DOI: 10.1021/ic9001219     Document Type: Article
Times cited : (37)

References (54)
  • 2
    • 42149158371 scopus 로고    scopus 로고
    • and subsequent Making Oxygen
    • Eisenberg, R.; Gray, H. B. Inorg. Chem. 2008, 47, 1697-1699, and subsequent "Making Oxygen"
    • (2008) , vol.47 , pp. 1697-1699
    • Eisenberg, R.1    Gray, H.B.2    Chem, I.3
  • 4
    • 66149119877 scopus 로고    scopus 로고
    • Leading references to the literature can be found in refs 5 and 6
    • Leading references to the literature can be found in refs 5 and 6.
  • 23
    • 66149155122 scopus 로고    scopus 로고
    • note
    • This Os {4,5} ion has been reported to undergo decomposition to {3,4} within a few minutes at pH 8, and more rapidly in strongly alkaline media, presumably by oxidative degradation of the bipyridine ligands (see ref 18). At pH 7, however, we found that the electrochemically generated Os {4,5} ion was stable for several hours, as determined spectrophotometrically.
  • 26
    • 66149137328 scopus 로고    scopus 로고
    • The numerical integration method used in this program is the following package: Brown, P. N.; Hindmarsh, A. C.; Byrne, G. D. DVODE; Lawrence Livermore National Laboratory and Exxon Research and Engineering Co.: Livermore, CA, and Paulsboro, NJ
    • The numerical integration method used in this program is the following package: Brown, P. N.; Hindmarsh, A. C.; Byrne, G. D. DVODE; Lawrence Livermore National Laboratory and Exxon Research and Engineering Co.: Livermore, CA, and Paulsboro, NJ.
  • 28
    • 84868957080 scopus 로고    scopus 로고
    • 2O becomes excessive.
    • 2O becomes excessive.
  • 36
    • 66149117100 scopus 로고    scopus 로고
    • note
    • A similar pH dependence upon decomposition rate was described by Raven and Meyer (see ref 27). Although these researchers originally interpreted their data as first-order in {4,5}, subsequent research from the Meyer laboratory revealed a more complex kinetic profile (see ref 29).
  • 37
    • 66149141105 scopus 로고    scopus 로고
    • note
    • 2 formation by {5,5}catalyzed reactions is completely quenched in neutral solutions buffered with Tris or citrate, possibly because of displacement of cis-aqua ligands by anation or, more likely, by competitive oxidation of the buffer component by the catalyst. Phosphate and borate buffers could be used over a concentration range of 5-100 mM without any apparent inhibition of activity; we also did not observe any changes in optical, RR, and EPR spectra of the {3,4} and {4,5} states of the catalyst with concentrations of these salts as high as 250 mM.
  • 43
    • 0012824243 scopus 로고    scopus 로고
    • SOx Radical Monoanions-Reactions in Solution and in the Gas Phase
    • Alfassi, Z. B., Ed.; Wiley: Chichester, U.K.
    • Huie, R. E.; Sieck, L. W. SOx Radical Monoanions-Reactions in Solution and in the Gas Phase. In S-Centered Radicals; Alfassi, Z. B., Ed.; Wiley: Chichester, U.K., 1999; pp 63-95.
    • (1999) S-Centered Radicals , pp. 63-95
    • Huie, R.E.1    Sieck, L.W.2
  • 53
    • 66149097856 scopus 로고    scopus 로고
    • note
    • 4+ (see refs 6 and 8).


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.