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Adsorption of the Cationic Surfactant Cetyltrimethylammonium Bromide to Silica in the presence of Sodium Salicylate; Surface Excess and Kinetics

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dc.contributor.authorHoward, Shaun
dc.contributor.authorCraig, Vincent
dc.date.accessioned2015-12-10T22:27:14Z
dc.date.issued2009
dc.date.updated2016-02-24T11:55:37Z
dc.description.abstractThe adsorption of cetyltrimethylammonium bromide (CTAB) to silica in the presence of sodium salicylate has been investigated using atomic force microscopy, optical reflectometry, and a quartz crystal micro balance. Salicylate is found to have a dramatic influence on surface adsorption in terms of the kinetics, surface excess, structure of adsorbed aggregates and the mechanical rigidity of the adsorbed film. This is consistent with the bulk solution behavior of more concentrated CTAB - salicylate solutions and reflects the higher local concentration induced by adsorption to the silica surface. Slow adsorption kinetics are found over a wide range of concentrations below the critical micelle concentration.
dc.identifier.issn0743-7463
dc.identifier.urihttp://hdl.handle.net/1885/54114
dc.publisherAmerican Chemical Society
dc.sourceLangmuir
dc.subjectKeywords: Adsorbed films; Adsorption kinetics; Bulk solutions; Cationic surfactant cetyltrimethylammonium bromides; Cetyltrimethylammonium bromide; Mechanical rigidity; On-surface adsorption; Optical reflectometry; Silica surface; Sodium salicylate; Surface excess;
dc.titleAdsorption of the Cationic Surfactant Cetyltrimethylammonium Bromide to Silica in the presence of Sodium Salicylate; Surface Excess and Kinetics
dc.typeJournal article
local.bibliographicCitation.issue22
local.bibliographicCitation.lastpage13024
local.bibliographicCitation.startpage13015
local.contributor.affiliationHoward, Shaun, College of Physical and Mathematical Sciences, ANU
local.contributor.affiliationCraig, Vincent, College of Physical and Mathematical Sciences, ANU
local.contributor.authoruidHoward, Shaun, u4075750
local.contributor.authoruidCraig, Vincent, u9204140
local.description.embargo2037-12-31
local.description.notesImported from ARIES
local.identifier.absfor020405 - Soft Condensed Matter
local.identifier.absfor030603 - Colloid and Surface Chemistry
local.identifier.ariespublicationu9210271xPUB291
local.identifier.citationvolume25
local.identifier.doi10.1021/la901889m
local.identifier.scopusID2-s2.0-71549142600
local.identifier.thomsonID000271522800027
local.type.statusPublished Version

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