Comas-Rojas, H., Fernandez-Cata, G., Edler, K. J., Roser, S. J., Perez-Gramatges, A.
Dilute mixtures of the water soluble polymer polyethyleneimine (PEI) and the cationic surfactant cetyltrimethylammonium bromide (CTAB) form mesostructured thin films at the air/solution interface. In...
Nonequilibrium phase transformations at the air-liquid interface (2009)
Aberg, C., Sparr, E., Edler, K. J., Wennerstrom, H.
A theoretical model is presented for the formation of an ordered phase close to the air-liquid interface of an open binary aqueous solution. The chemical potential of water in the liquid phase is, in...
Comas-Rojas, H., Fernandez-Cata, G., Edler, K. J., Roser, S. J., Perez-Gramatges, A.
Dilute mixtures of the water soluble polymer polyethylleneimine (PEI) and the cationic surfactant cetyltrimethylammonium bromide (CTAB) form mesostructured thin films at the air/solution interface....
Vidal, L., Chisvert, A., Canals, A., Psillakis, E., Lapkin, Alexei A, Acosta, F., ...
Chemically surface-modified (tosyl-functionalized) carbon nanoparticles (Emperor 2000 from Cabot Corp.) are employed for the extraction and electrochemical determination of phenolic impurities such...
Rigby, Sean P., Chigada, Peter I, Perkins, E. L., Watt-Smith, M. J., Lowe, J. P., Edler, K. J.
There has been little, or no, direct testing of theories of gas sorption within particular pores situated amidst a highly inter-connected pore network. The concept of thermodynamically independent...
Perkins, E. L., Lowe, J. P., Edler, K. J., Tanko, N., Rigby, S. P.
Using a model disordered mesoporous solid with a spatial arrangement of pore sizes analogous to a macroscopic 'ink-bottle', it has been shown that the hysteresis observed in NMR cryoporometry can be...
Phenyl-functionalised mesoporous silica films (2008)
O'Driscoll, B. M. D., Hawley, A. M., Roser, S. J., Edler, K. J.
Spontaneously forming phenyl-functionalised mesoporous silica films were produced using a co-condensation method. The films were examined using neutron reflectometry and Brewster angle microscopy,...
Incorporation of sparingly soluble species in mesostructured surfactant-polymer films (2008)
O'Driscoll, B. M. D., Hawley, A. M., Edler, K. J.
Recently we have investigated the formation of novel thick, solid, mesostructured films of polymer/surfactant mixtures which form spontaneously at the air-solution interface. Here we report studies...
Evolution of non-ionic surfactant-templated silicate films at the air-liquid interface (2008)
Fernandez-Martin, C., Roser, S. J., Edler, K. J.
Spontaneous growth of non-ionic surfactant-templated thin films at the air-water interface was investigated using three techniques: Brewster angle microscopy (BAM), time-resolved off-specular X-ray...
Bonne, M. J., Edler, K. J., Buchanan, J. G., Wolverson, D., Psillakis, E., Helton, M., ...
A strategy for the formation of thin reconstituted cellulose films (pure or modified)) with embedded receptors or embedded ion-selective components is reported. Cellulose nanofibril ribbons from...
Direct reversible voltammetry and electrocatalysis with surface-stabilised Fe2O3 redox states (2008)
Cummings, C. Y., Bonne, M. J., Edler, K. J., Helton, M., McKee, A., Marken, Frank
Nanoparticle film voltammetry is employed to explore the presence and reactivity of surface-stabilised iron redox centers at the interface of immobilised Fe2O3 nanoparticles of ca. 4 nm diameter and...
O'Driscoll, B. M. D., Nickels, E. A., Edler, K. J.
A new type of surfactant templated polymer film, which spontaneously forms at the air/water interface into micron-thick structures, was prepared from a water-soluble polymer and a catanionic...
O'Driscoll, B. M. D., Fernandez-Martin, C., Wilson, R. D., Knott, J., Roser, S. J., Edler, K. J.
Mesostructured films of alkyltrimethylammonium bromides or cetylpyridinium bromide and polyethylenimines that spontaneously self-assemble at the air/water interface have been examined using a range...
Mesoporous silver films from dilute mixed-surfactant solutions by using dip-coating (2007)
Luo, K., Walker, C. T., Edler, K. J.
Mesoporous silver films (see figure) are synthesized by using a dip-coating method, employing dilute mixed-surfactant solutions, which allows the creation of films over a large area of substrate and...
Comas-Rojas, H., Aluicio-Sarduy, E., Rodriguez-Calvo, S., Perez-Gramatges, A., Roser, S. J., Edler, K. J.
The interactions involved in aqueous mixtures of polyethyleneimine (PEI) and cetyltrimethylammonium bromide ( CTAB) were studied under dilute conditions. The phase diagram of this polyelectrolyte -...
Effect of micelle composition on the formation of surfactant-templated polymer films (2006)
O'Driscoll, B. M. D., Fernandez-Martin, C., Wilson, R. D., Roser, S. J., Edler, K. J.
Surfactant-templated polymer films prepared from polyethylenimine (PEI), cetyltrimethylammonium bromide (CTAB), and octaethylene glycol monohexadecyl ether (C16E8) were examined and the effect of...
Self-Organization of Metallic Nanorods into Liquid Crystalline Arrays (2006)
Murphy, C. J., Jana, N. R, Gearheart, L. A, Obare, S. O., Mann, S., Johnson, C. J, ...
Formation of mesostructured thin films at the air/water interface (2006)
Edler, K. J., Brennan, T., Roser, S. J.
Mesostructured thin films are known to form at the interface between either air or a solid surface. and a dilute acidic solution containing the silica precursor, and surfactant template. These films...
Nanoscum: solid nanostructured films at the air-water interface (2006)
The formation of solid films at the air-solution interface is a common phenomenon, however, these films have largely not been explored from a materials point of view. In solutions containing...
Thin films of polyethylenimine and alkyltrimethylammonium bromides at the air/water interface (2005)
O'Driscoll, B M D, Milsom, E, Fernandez-Martin, C, White, L, Roser, S J, Edler, K J
An experimental study of gas adsorption on fractal surfaces (2005)
Watt-Smith, M. J., Edler, K. J., Rigby, S. P.
The validity of the fractal versions of the FHH and BET theories for describing the adsorption of butane and nitrogen on a variety of partially dehydroxylated silica surfaces has been tested. The...
Thin films of polyethylenimine and alkyltrimethylammonium bromides at the air/water interface (2005)
O'Driscoll, B. M. D., Milsom, E., Fernandez-Martin, C., White, L., Roser, S. J., Edler, K. J.
We have prepared and analyzed thin film structures formed by polyethylenimine and alkyltrimethylammonium bromide (C(n)TAB) surfactants at the air/water interface, using both surface and bulk...
Modeling the fractal growth of templated, mesoporous silica films (2005)
Edler, K. J., Arrowsmith, M., Hamilton, M., Rigby, S. P.
Brewster angle micrographs have been obtained of the development of a silica film grown at an air-water interface with use of the surfactant template cetylpyridinium chloride. The micrograph images...
Current understanding of formation mechanisms in surfactant-templated materials (2005)
Surfactant-templated materials are created through self-assembly in solutions containing both surfactant micelles and an inorganic species. The resulting materials are composites containing an...
Nanocasting of novel, designer-structured catalyst supports (2004)
Rigby, S. P., Beanlands, K., Evbuomwan, I. O., Watt-Smith, M. J., Edler, K. J., Fletcher, R. S.
Highly structured catalyst support pellets have been produced that possess multiple, but regiospecific and well-defined, pore geometries. Mesoporous silica pellets with controlled pore sizes have...
Accessibility to gases of dye molecules in hybrid surfactant-silica mesophases (2004)
Onida, B., Borello, L., Fiorilli, S., Barolo, C., Edler, K. J., Otero-Arean, C., ...
Two types of CTABr-silica mesophases have been prepared, one of them a powder with hexagonal structure containing Congo Red, another one a film with cubic structure containing Disperse Red 1. In the...
Synthesis, Assembly and Reactivity of Metallic Nanorods (2004)
Murphy, C J, Jana, N R, Gearheart, L A, Obare, S O, Caswell, K K, Mann, S, ...
Fernandez-Martin, C., Edler, K. J., Roser, S. J.
Off-specular X-ray reflectivity measurements were carried out to follow the in situ development of surfactant-templated silica thin films at the air-water interface under conditions of controlled...
Formation of mesophase surfactant-templated silica thin films from acidic solutions (2004)
Edler, K. J., Brennan, T., Fernandez-Martin, C., Roser, S. J.
The formation of mesophase silica-surfactant thin films at the air/solution interface has been studied in situ using off-specular X-ray reflectivity, Brewster angle microscopy and small angle...
Soap and sand: construction tools for nanotechnology (2004)
Nanotechnology the science of making and using very small structures. As the scales of the constructions become smaller, the existing methods of making these structures-lithography, etching and...
Borello, L., Onida, B., Barolo, C., Edler, K. J., Arean, C. O., Garrone, E.
Two CTABr-sifica mesophases have been prepared, one of them as a powder with hexagonal structure containing Congo Red, the other one as a film with cubic structure containing Disperse Red 1. In the...
Spontaneous free-standing nanostructured film growth in polyelectrolyte-surfactant systems (2003)
Edler, K. J., Goldar, A., Brennan, T., Roser, S. J.
Substitution of a polyelectrolyte for silica during formation of surfactant-templated films produces similar nano- and macroscale structures confirming that silica acts as a polyelectrolyte during...
Formation of CTAB-templated mesophase silicate films from acidic solutions (2003)
Edler, K. J., Brennan, T., Roser, S. J., Mann, S., Richardson, R. M.
We have examined the effect of the different components in the spontaneous formation of surfactant-templated mesostructured silicate films grown at the air/solution interface. The rate of film...
Brennan, T., Roser, S. J., Mann, S., Edler, K. J.
Grazing incidence X-ray diffraction (GIXD) and X-ray reflectivity have been used in situ to study the structure of surfactant-templated silica films grown at the air/water interface at different...
The use of a semi-empirical alternative to the standard Washburn equation for the interpretation of raw mercury porosimetry data has been advocated. The alternative expression takes account of...
Liquid crystalline assemblies of ordered gold nanorods (2002)
Jana, N. R., Gearheart, L. A., Obare, S. O., Johnson, C. J., Edler, K. J., Mann, S., ...
Gold nanorods have been prepared in aqueous solution using a seed-mediated growth approach in the presence of surfactant. We observe the formation of liquid crystalline phases in concentrated...
Brennan, T., Roser, S. J., Mann, S., Edler, K. J.
Time-resolved small-angle neutron scattering has been used to investigate the evolution of micelles in the subphase of surfactant-templated silica film-forming solutions. Two samples have been...
Concentration-dependent formation mechanisms in mesophase silica-surfactant films (2002)
Brennan, T., Hughes, A. V., Roser, S. J., Mann, S., Edler, K. J.
The development of surfactant-templated mesoporous films grown at the air/water interface was investigated using specular and off-specular X-ray reflectivity techniques. The samples were prepared in...
Goldar, A., Roser, S. J., Caruana, D., Gerstenberg, M. C., Hughes, A. V., Edler, K. J.
We study the electrochemical roughening of a silicon electrode surface during the hydrogen evolution reaction in a fluoride electrolyte using neutron reflection. We demonstrate that as the roughening...
Growth and characterization of mesoporous silica films (2001)
The synthesis of surfactant-templated silicate materials has developed rapidly over the past decade. The uniform controlled pore sizes created in the amorphous silicate framework by this method show...
Structural studies on surfactant-templated silica films grown at the air/water interface (2001)
Edler, K. J., Goldar, A., Hughes, A. V., Roser, S. J., Mann, S.
In situ characterisation of a growing surfactant-templated silica film has been carried out by X-ray reflectivity, diffuse X-ray scattering from the surface. Brewster angle microscopy and surface...
Shear and salt effects on the structure of MCM-41 synthesis gel (1998)
Edler, K J, Reynolds, P A, Brown, A S, Slawecki, T M, White, J W