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Analytical investigation of the chemical reactivity and stability of aminopropyl-grafted silica in aqueous medium.
The stability of APS in ethanol and that of mercaptopropyl-grafted silica (MPS) in water have been briefly considered and discussed with respect to practical applications of silica-based organic-inorganic hybrids, e.g., in separation science or in the field of electrochemical sensors. Expand
Carbon Paste Electrodes in Facts, Numbers, and Notes: A Review on the Occasion of the 50‐Years Jubilee of Carbon Paste in Electrochemistry and Electroanalysis
This article reviews the electrochemistry and electroanalytical applications of carbon paste-based electrodes, sensors, and detectors on the occasion of the half-of-century anniversary since the… Expand
Mesoporous organosilica adsorbents: nanoengineered materials for removal of organic and inorganic pollutants
A review with ca. 400 references is provided dealing with the use of mesoporous silica and organically-modified silica-based materials for removal of inorganic and organic pollutants from aqueous… Expand
Electrochemically assisted self-assembly of mesoporous silica thin films.
- A. Walcarius, E. Sibottier, M. Etienne, J. Ghanbaja
- Materials Science, Medicine
- Nature materials
- 24 June 2007
Electrochemistry is likely to induce self-assembly of surfactant-templated (organo)silica thin films on various conducting supports, homogeneously over wide areas, opening the way to electrochemically driven nanolithography for designing complex patterns of widely accessible mesostructured materials. Expand
Rate of Access to the Binding Sites in Organically Modified Silicates. 1. Amorphous Silica Gels Grafted with Amine or Thiol Groups
The speed at which selected reactants are reaching active sites grafted on porous silica gels of various nature and porosity was evaluated using some model systems: protonation of… Expand
Thiol-functionalized porous clay heterostructures (PCHs) deposited as thin films on carbon electrode : Towards mercury(II) sensing
Thiol-functionalized porous clay heterostructures (PCHs) have been prepared by intragallery assembly of mesoporous organosilica in natural smectite clay. The mesoporous framework was formed by… Expand
Mesoporous materials and electrochemistry.
- A. Walcarius
- Materials Science, Medicine
- Chemical Society reviews
- 16 April 2013
This review will cover the whole field of the intersection between electrochemistry and ordered mesoporous materials, which includes the generation of mesostructured solids by electro-assisted deposition using appropriate templates and the application of these novel materials for electrochemical purposes. Expand
Exciting new directions in the intersection of functionalized sol–gel materials with electrochemistry
The implications of organically-modified silica-based materials in electrochemical science is reviewed along with some selected recent trends in the field of functionalized and sol–gel silica… Expand
Sorption of Iodide on Cuprite (Cu2O)
The interactions of iodide ions with cuprite (Cu2O) surfaces were studied by combining batch experiments and surface analyses. The evolution of iodide uptake with pH was investigated. The… Expand
Oriented Mesoporous Silica Films Obtained by Electro-Assisted Self-Assembly (EASA)
- A. Goux, M. Etienne, E. Aubert, C. Lecomte, J. Ghanbaja, A. Walcarius
- Materials Science
- 29 January 2009
Highly ordered and vertically oriented mesoporous silica films can be generated by electro-assisted self-assembly (EASA). The method involves the electrogeneration of hydroxide ions at an electrode… Expand