Preparation and properties of monolayer films of surfactant ester derivatives of tris(2,2'-bipyridine)ruthenium(II)2+

Valenty, S. J.; Gaines, George L.

doi:10.1021/ja00446a063

Cited by 58 publications

(11 citation statements)

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“…The mixed-ligand dialkyl carboxylic acid ester derivatives of the tris(2,2 1 -bipyridyl)ruthenium(II) complex (abbreviated to ~RU(biPY)3J2+), which were first prepared and .characterized by We therefore contend that the solvent dependence observed by us [9J and others [2][3][4][5][6][7][8] .…”

mentioning

confidence: 99%

Visible spectra of dicarbonyl substituted tris-bipyridyl ruthenium(II) complexes

Ford

Calvin

1980

Chemical Physics Letters

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confidence: 99%

Visible spectra of dicarbonyl substituted tris-bipyridyl ruthenium(II) complexes

Ford

Calvin

1980

Chemical Physics Letters

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“…In order to acquire a better knowledge of the charge transfer mechanisms, studies have been carried out on natural or synthetic chromophores introduced in model systems such as planar bilayer membranes or vesicles (Wang ct al., 1982;Losev and Mauzerall, 1983;Ford and Tollin, 1983;Gopher et al, 1985;Helgerson et al, 1985;Seta et al, 1985). micelles or microemulsions (Moroi et al, 1979;Atik and Thomas, 1982;Dixit and Mackay, 1982) or monolayers (Valenty and Gaines, 1977;Aghion and Leblanc, 1978;Gaines et at., 1978;Hirsh and Brody, 1978;Aghion et al, 1981;Tancrede et al, 1981;Bull and Bulkowski, 1983;Chifu et al, 1983;Heithier et al, 1983).…”

Section: Introductionmentioning

confidence: 99%

Photoinduced Volta Potential in a Porphyrin Monolayer

Seta¹,

Bienvenue²,

d'Epenoux³

et al. 1987

Photochem & Photobiology

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When spread on an oxidizing aqueous subphase, an amphipathic basket handle zinc porphyrin (P) monolayer gives rise to a photoinduced Volta potential change. This surface photopotential is interpreted on the basis of an interfacial electron transfer in the interphase; upon light excitation, electrons are transferred from the chrornophores in the monolayer to electron acceptors diffusing from the subphase. A kinetic model for charge separation and stabilization is proposed to account for the influences of the electron acceptor concentration, the pH of the subphase and the light intensity.

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“…(5) H+(H20)" + -MH+ + «H20 (6) H+(H20)" + M -MH+(H20)m + (nm)H20 (7) In addition to these bimolecular processes (eq 5-7), the protonated sample may also form a hydrogen-bonded cluster with one or more water molecules through termolecular reactions.…”

Section: Introductionmentioning

confidence: 99%

Monolayer films of surfactant ester derivatives of tris(2,2'-bipyridine)ruthenium(II)2+

Gaines¹,

Behnken²,

Valenty³

1978

J. Am. Chem. Soc.

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Surfactant ruthenium complexes are attracting attention as potential photoinduced electron-transfer reagents, especially for possible light energy storage schemes. The ester derivatives i(bpy)2RuH[bpy(COORi)(COOR2)]|2+ (where bpy = 2,2'-bipyridine, the carboxy substituents are in the 4,4' positions, and Rt = R2 = CigH37 (I); R3 = C18H37, R2 = H (111); and Ri = C18H37, R2 = C2H5 (IV)) have been prepared and characterized. The alkaline hydrolysis of I to octadecanol and 11 (Rt = R2 = H), with III as an intermediate product, proceeds more rapidly in monolayers and in 50% aqueous THE than does that of the water-soluble analogue V (R¡ = R2 = C2H3) in aqueous solution. Both the surface pressure-area characteristics and luminescence of monolayers of the surfactant compounds spread on aqueous subphases depends strongly on dissolved anions; even traces of strongly interacting anions such as perchlorate lead to condensation of the films, while luminescence is ~20-fold more intense in the presence of perchlorate as compared with chloride. When the monolayers are transferred to glass slides, the pretreatment of the glass affects the extent of dark ester hydrolysis. Prolonged photolysis of monolayer assemblies on glass in contact with water leads to a slow (quantum yield, ~5 X 10-6) nonhydrolytic degradation of the complex, but to no detectable water dissociation (quantum yield for H2 production, <1 X 10-4).

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Preparation and properties of monolayer films of surfactant ester derivatives of tris(2,2'-bipyridine)ruthenium(II)2+

Cited by 58 publications

References 2 publications

Visible spectra of dicarbonyl substituted tris-bipyridyl ruthenium(II) complexes

Visible spectra of dicarbonyl substituted tris-bipyridyl ruthenium(II) complexes

Photoinduced Volta Potential in a Porphyrin Monolayer

Monolayer films of surfactant ester derivatives of tris(2,2'-bipyridine)ruthenium(II)2+

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