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Volumn 129, Issue 13, 2007, Pages 4014-4027

Structural and photophysical properties of adducts of [Ru(bipy)(CN) 4]2- with different metal cations: Metallochromism and its use in switching photoinduced energy transfer

Author keywords

[No Author keywords available]

Indexed keywords

ABSORPTION; CYANIDES; LUMINESCENCE; POSITIVE IONS; RUTHENIUM COMPOUNDS;

EID: 34247151181     PISSN: 00027863     EISSN: None     Source Type: Journal    
DOI: 10.1021/ja068436n     Document Type: Article
Times cited : (61)

References (61)
  • 48
    • 34247117737 scopus 로고    scopus 로고
    • Ru(bipy)(CN)4]2- is sensitive to tiny traces of water in anhydrous solvents (ref 21) because of preferential solvation of the anion by the hydrogen-bonding water molecules; concentrations of water as low as 50 ppm were found to have a disproportionately large effect on the absorption spectrum. We found that solutions of (PPN) 2[Ru(tBu2bipy)(CN)4] in MeCN generally exhibited an extremely weak feature in the luminescence spectrum between 600 and 650 nm, comparable in magnitude to the expected weak band at ∼800 nm, which we ascribe to selective solvation of the anion by traces of water, and it explains why the emission spectrum in Figure 16b before addition of any Cs+ is not base-line flat in this region. This was completely dwarfed by the much stronger (orders of magnitude) increase in 3MLCT luminescence on addition of metal salts and is for our purposes negligible
    • 3MLCT luminescence on addition of metal salts and is for our purposes negligible.
  • 50
    • 34247120549 scopus 로고    scopus 로고
    • + as compared to the first, arising from electrostatic or steric factors.
    • + as compared to the first, arising from electrostatic or steric factors.
  • 51
    • 34247162186 scopus 로고    scopus 로고
    • 2.
    • 2.
  • 55
    • 34247160805 scopus 로고    scopus 로고
    • 2+ to 1 in MeCN solution has two components: the major component (∼90%) has a lifetime of 360 (±10) ns, but there is also a minor component (∼10%) with a lifetime of 100 (±10) ns. This may arise from the presence of major and minor alternate conformers of this flexible molecule.
    • 2+ to 1 in MeCN solution has two components: the major component (∼90%) has a lifetime of 360 (±10) ns, but there is also a minor component (∼10%) with a lifetime of 100 (±10) ns. This may arise from the presence of major and minor alternate conformers of this flexible molecule.
  • 61
    • 34247095529 scopus 로고    scopus 로고
    • SHELXTL program system version 5.1; Bruker Analytical X-ray Instruments Inc, Madison, WI, 1998
    • SHELXTL program system version 5.1; Bruker Analytical X-ray Instruments Inc., Madison, WI, 1998.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.