2005
DOI: 10.1021/la0478705
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Surface and Aggregation Behavior of Aqueous Solutions of Ru(II) Metallosurfactants. 3. Effect of Chain Number and Orientation on the Structure of Adsorbed Films of [Ru(bipy)2(bipy‘)]Cl2 Complexes

Abstract: The surface behavior of a range of surfactant [Ru(bipy)(2)(p,p'-dialkyl-2,2'-bipy)]Cl(2) complexes, which we express as Ru(q)(p)C(n) where n is the alkyl chain length, p refers to the substitution position on the bipyridine ligand (=4 or 5), and q (=1 or 2) is the number of substituted alkyl chains, has been examined using neutron reflectometry. The adsorption of the single-chain Ru(1)(4)C(19) and Ru(1)(5)C(19) surfactants is strongly time-dependent, taking in excess of 10 h to form an equilibrium film. It is … Show more

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Cited by 46 publications
(31 citation statements)
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“…The syntheses of the ruthenium complexes [Ru(2,2 -bipy) 2 (4,4 -(C 11 H 23 ) 2 -2,2 -bipy)]Cl 2 (RuC11C11, see Figure 2A) and [Ru(2,2 -bipy) 2 (4,4 -(C 19 H 39 ) 2 -2,2 -bipy)]Cl 2 (RuC19C19, see Figure 2B) were previously described [37,38]. IR and NMR spectra and elemental analysis (C, H, N) were carried out for the characterization of these compounds.…”
Section: Methodsmentioning
confidence: 99%
“…The syntheses of the ruthenium complexes [Ru(2,2 -bipy) 2 (4,4 -(C 11 H 23 ) 2 -2,2 -bipy)]Cl 2 (RuC11C11, see Figure 2A) and [Ru(2,2 -bipy) 2 (4,4 -(C 19 H 39 ) 2 -2,2 -bipy)]Cl 2 (RuC19C19, see Figure 2B) were previously described [37,38]. IR and NMR spectra and elemental analysis (C, H, N) were carried out for the characterization of these compounds.…”
Section: Methodsmentioning
confidence: 99%
“…Surfactant-metal complexes represent a new class of materials in which the polar head group of the surfactant molecule contains a metal complex portion as an integral structural component. There are only a few reports [14][15][16] on the synthesis, isolation and characterization of surfactant transition metal complexes, whereas there are numerous reports on the formation and study of such surfactants in solution without isolation. We were interested in the synthesis and micelle forming properties of cobalt(III) complexes containing lipophilic ligands [17,18].…”
Section: Introductionmentioning
confidence: 99%
“…Metallosurfactant complexes represent a new class of materials in which the polar headgroup of the surfactant molecule contains a metal complex portion as an integral structural component. There are only a few reports [10][11][12] on the synthesis, isolation and characterization of surfactant transition metal complexes, whereas there are numerous reports on the formation and study of such surfactants in solution without isolation. We have been interested in the synthesis and micelle forming properties of cobalt(III) complexes containing lipophilic ligands [13][14][15].…”
Section: Introductionmentioning
confidence: 99%