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Kharlamova A, Boulogne F, Fontaine P, Rouzière S, Hemmerle A, Goldmann M, Salonen A. Interface-Templated Crystal Growth in Sodium Dodecyl Sulfate Solutions with NaCl. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2024; 40:84-90. [PMID: 38128069 DOI: 10.1021/acs.langmuir.3c01966] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2023]
Abstract
Many ionic surfactants, such as sodium dodecyl sulfate (SDS) crystallize out of solution if the temperature falls below the crystallization boundary. The crystallization temperature is impacted by solution properties and can be decreased with the addition of salt. We studied SDS crystallization at liquid/vapor interfaces from solutions at high ionic strength (sodium chloride). We show that the surfactant crystals at the surface grow from adsorbed SDS molecules, as evidenced by the preferential orientation of the crystals identified by using grazing incidence X-ray diffraction. We find a unique time scale for the crystal growth from the evolution of structure, surface tension, and visual inspection, which can be controlled through varying the SDS or NaCl concentrations.
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Affiliation(s)
- Anna Kharlamova
- Université Paris-Saclay, CNRS, Laboratoire de Physique des Solides, 91405 Orsay, France
- Synchrotron SOLEIL, L'Orme des Merisiers, Départementale 128, 91190 Saint-Aubin, France
| | - François Boulogne
- Université Paris-Saclay, CNRS, Laboratoire de Physique des Solides, 91405 Orsay, France
| | - Philippe Fontaine
- Synchrotron SOLEIL, L'Orme des Merisiers, Départementale 128, 91190 Saint-Aubin, France
| | - Stéphan Rouzière
- Université Paris-Saclay, CNRS, Laboratoire de Physique des Solides, 91405 Orsay, France
| | - Arnaud Hemmerle
- Synchrotron SOLEIL, L'Orme des Merisiers, Départementale 128, 91190 Saint-Aubin, France
| | - Michel Goldmann
- Synchrotron SOLEIL, L'Orme des Merisiers, Départementale 128, 91190 Saint-Aubin, France
- Institut des NanoSciences de Paris, Sorbonne Université, 4 Place Jussieu, 75005 Paris, France
| | - Anniina Salonen
- Université Paris-Saclay, CNRS, Laboratoire de Physique des Solides, 91405 Orsay, France
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Krafft phenomenon-based study of the polymer-surfactant interaction. Colloid Polym Sci 2023. [DOI: 10.1007/s00396-023-05056-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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Paporakis S, Binns J, Yalcin D, Drummond CJ, Greaves TL, Martin AV. Automation of liquid crystal phase analysis for SAXS, including the rapid production of novel phase diagrams for SDS-water-PIL systems. J Chem Phys 2023; 158:014902. [PMID: 36610972 DOI: 10.1063/5.0122516] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Lyotropic liquid crystal phases (LCPs) are widely studied for diverse applications, including protein crystallization and drug delivery. The structure and properties of LCPs vary widely depending on the composition, concentration, temperature, pH, and pressure. High-throughput structural characterization approaches, such as small-angle x-ray scattering (SAXS), are important to cover meaningfully large compositional spaces. However, high-throughput LCP phase analysis for SAXS data is currently lacking, particularly for patterns of multiphase mixtures. In this paper, we develop semi-automated software for high throughput LCP phase identification from SAXS data. We validate the accuracy and time-savings of this software on a total of 668 SAXS patterns for the LCPs of the amphiphile hexadecyltrimethylammonium bromide (CTAB) in 53 acidic or basic ionic liquid derived solvents, within a temperature range of 25-75 °C. The solvents were derived from stoichiometric ethylammonium nitrate (EAN) or ethanolammonium nitrate (EtAN) by adding water to vary the ionicity, and adding precursor ions of ethylamine, ethanolamine, and nitric acid to vary the pH. The thermal stability ranges and lattice parameters for CTAB-based LCPs obtained from the semi-automated analysis showed equivalent accuracy to manual analysis, the results of which were previously published. A time comparison of 40 CTAB systems demonstrated that the automated phase identification procedure was more than 20 times faster than manual analysis. Moreover, the high throughput identification procedure was also applied to 300 unpublished scattering patterns of sodium dodecyl-sulfate in the same EAN and EtAN based solvents in this study, to construct phase diagrams that exhibit phase transitions from micellar, to hexagonal, cubic, and lamellar LCPs. The accuracy and significantly low analysis time of the high throughput identification procedure validates a new, rapid, unrestricted analytical method for the determination of LCPs.
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Affiliation(s)
- Stefan Paporakis
- School of Science, College of STEM, RMIT University, 124 La Trobe Street, Melbourne, VIC 3000, Australia
| | - Jack Binns
- School of Science, College of STEM, RMIT University, 124 La Trobe Street, Melbourne, VIC 3000, Australia
| | - Dilek Yalcin
- CSIRO Manufacturing, Clayton, Victoria 3168, Australia
| | - Calum J Drummond
- School of Science, College of STEM, RMIT University, 124 La Trobe Street, Melbourne, VIC 3000, Australia
| | - Tamar L Greaves
- School of Science, College of STEM, RMIT University, 124 La Trobe Street, Melbourne, VIC 3000, Australia
| | - Andrew V Martin
- School of Science, College of STEM, RMIT University, 124 La Trobe Street, Melbourne, VIC 3000, Australia
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Yamamoto E, Suzuki A, Kobayashi M, Osada M. Tailored synthesis of molecularly thin platinum nanosheets using designed 2D surfactant solids. NANOSCALE 2022; 14:11561-11567. [PMID: 35866472 DOI: 10.1039/d2nr01807a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
The assembly of the surfactants has been utilized as unique templates for the controlled synthesis of metal nanosheets. However, current strategies for metal nanosheets have mainly focused on the liquid-phase surfactant assembly. Herein, we found the solid-state surfactants as designable crystals suitable for nanostructural control and proposed a novel synthetic route for molecularly thin Pt metal nanosheets using solid surfactant crystals as a precursor. The 2D surfactant crystals containing planarly arranged Pt complexes were prepared, and the subsequent UV-ozone treatment and reduction process allowed us to obtain Pt metal nanosheets. Pt metal nanosheets had a distinct morphology with various thicknesses (from 1.5 nm to 3.0 nm), characteristic of 2D surfactant crystals.
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Affiliation(s)
- Eisuke Yamamoto
- Department of Materials Chemistry & Institute of Materials and Systems for Sustainability (IMaSS), Nagoya University, Nagoya 464-8601, Japan
- Precursory Research for Embryonic Science and Technology (PRESTO), Japan Science and Technology Agency (JST), Saitama 332-0012, Japan
| | - Akiko Suzuki
- Department of Materials Chemistry & Institute of Materials and Systems for Sustainability (IMaSS), Nagoya University, Nagoya 464-8601, Japan
| | - Makoto Kobayashi
- Department of Materials Chemistry & Institute of Materials and Systems for Sustainability (IMaSS), Nagoya University, Nagoya 464-8601, Japan
| | - Minoru Osada
- Department of Materials Chemistry & Institute of Materials and Systems for Sustainability (IMaSS), Nagoya University, Nagoya 464-8601, Japan
- International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS), Tsukuba 305-0044, Japan
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Zhang L, Wang H, Zheng B, Du H, Salonen A. Surfactant Crystals as Stimulable Foam Stabilizers: Tuning Stability with Counterions. J SURFACTANTS DETERG 2019. [DOI: 10.1002/jsde.12330] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Affiliation(s)
- Li Zhang
- School of Materials Science and EngineeringXi'an University of Science and Technology Xi'an Shaanxi China
| | - Haiting Wang
- School of Materials Science and EngineeringXi'an University of Science and Technology Xi'an Shaanxi China
| | - Bin Zheng
- School of Materials Science and EngineeringXi'an University of Science and Technology Xi'an Shaanxi China
| | - Huiling Du
- School of Materials Science and EngineeringXi'an University of Science and Technology Xi'an Shaanxi China
| | - Anniina Salonen
- Laboratoire de Physique des Solides, CNRS, University of Paris‐SudUniversité Paris Saclay 91405 Orsay France
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