Effect of organic surfactant on femtosecond solvation dynamics at the air-water interface

Article Abstract:

The effect of a Langmuir monolayer of fatty acid on static solvation properties as well as femtosecond solvation dynamics at aplanar air-water interface is investigated using second harmonic generation as a surface-specific probe. The results demonstrate that the stearic acid monolayer induces significant changes in both static and dynamic solvation at the air-water interface.

Fatty Acids & Derivatives, Fatty acids, Solvation

---

Femtosecond aqueous solvation at a positively charged surfactant/water interface

Article Abstract:

The effect of a positively charged dodecyl trimethylammonium bromide (DTAB) surfactant on the aqueous solvation of coumarin 314 (C314), a solvatochromic molecule, at the air/water interface was investigated. Steady-state and femtosecond time-resolved second harmonic generation (SHG) spectroscopy was employed as a surface-selective tool to characterize the solvation of C314.

All Other Basic Organic Chemical Manufacturing, Industrial organic chemicals, not elsewhere classified, Coumarin, Analysis, Coumarins, Bromides, Aqueous solution reactions, Bromides (Chemistry)

---

Aqueous solvation dynamics at the anionic surfactant air/water interface

Article Abstract:

A study was conducted to investigate the effect of the negatively charged carboxylate group of the stearic acid surfactant CH(sub 3)(CH(sub 2))(sub 16)COO(super -) on the solvation at the surfactant air/water interface. It was found that the static solvation energetics appears to be relatively insensitive to the ionization state of the stearic acid surfactant.

Anionic Surfactants, Stearic Acid, Molecules

Similar abstracts:

• Abstracts: Electronic conductivity of semiconductor nanoparticle monolayers at the air/water interface. Synthesis, optical spectroscopy and ultrafast electron dynamics of PbS nanoparticles with different surface capping
• Abstracts: Lateral electrical conduction in organic monolayer. Local solvation shell measurement in water using a carbon nanotube probe
• Abstracts: Photochemistry of formaldehyde adsorbed on CO-saturated Cu(100). Adsorption and photochemistry of CF2Br2 (Halon 1202) on highly ordered pyrolytic graphite (HOPG)
• Abstracts: Structural trends among ionic metal-halide adlayers on electrode surfaces. Reconstruction-dependent self-assembly of n-alkanes on Au(111) surfaces

This website is not affiliated with document authors or copyright owners. This page is provided for informational purposes only. Unintentional errors are possible.