|Series||Acta Academiae Aboensis. Mathematica et physica -- XIX, 3|
|The Physical Object|
|Number of Pages||111|
Abstract. New data on surface diffusion in myristic acid and stearic acid monolayers on N HCl subsolutions are presented. The surface self-diffusion coefficients are one or two orders of magnitude smaller than those obtained by previous investigators because we were able to minimize the confounding problem of surface convective by: 1. Monolayer surface structure analysis 51 1 Fig. 3. Percent contraction as a function of surface roughness (l/packing density) for a large number of metal crystal surfaces. This model has been found to be erroneous by LEED surface crystallography studies. The interlayer spacing between the first and second layer is contracted significally (Figure 2). Behenic acid has the formula C 21 H 43 COOH and its Geneva name is decosenoic acid. It contains effectively CH 3 (CH 2) groups so that the highly hydrophobic acid is negligibly soluble in water in Fig. 1, Π–A isotherms of behenic acid monolayers spread on sub-phases of pH and at ionic strength and 25 °C have been presented. The intrinsic pK i value of all soluble Cited by: A general-purpose procedure based on electrostatic titrations was developed to determine the compositions of mixed self-assembled monolayers (m-SAMs) of oppositely charged ligands on metal nanoparticles (NPs). In this procedure, nanoparticles of unknown m-SAM compositions and charges are titrated with the positively charged NP “standards”.
In this study, charge extraction characteristics at the perovskite/TiO 2 interface in the conventional perovskite solar cell is studied by interface engineering. Self-assembled monolayers of phosphonic acids with different chain length and terminal functional group were used to modify mesoporous TiO 2 surface to modulate the surface property and interfacial energy barrier to investigate their. This study examines intermolecular interactions of a monolayer of octadecanol (CH3(CH2)17OH) on water as a function of surface density and temperature, using classical molecular dynamics simulations. We observe increased interaction between the alkyl chains (van der Waals) and hydroxyl groups (H-bonding) with increased surface density, which leads to increased order and packing within the. Stearic Acid Surface Pressure Equilibrium Study N. L., , Film balance and the evaluation of intermolecular energies in monolayers, in “Techniques of Surface and Colloid C. N., and Cornwell, D. G., , Stability of fatty acid monolayers and the relationship between equilibrium spreading pressure, phase transformations, and. Surface shear rheology of monolayers at the surface of water. Advances in Colloid and Interface Science , , DOI: / Ellen Adams, Heather Allen. Palmitic Acid on Salt Subphases and in Mixed Monolayers of Cerebrosides: Application .
This study compared the tribological properties in nano- and millinewton load ranges of Ti‑6Al-4V surfaces that were modified using self-assembled monolayers (SAMs) of carboxylic and phosphonic acids. The effectiveness of the creation of SAMs with the use of the liquid phase deposition (LPD) technique was monitored by the contact angle measurement, the surface free energy (SFE) . Herein, studies on the surface activities of newly synthesized l-Asp-based gemini surfactants, both nonionic and anionic, are presented. Conductometry, tensiometry, and the Langmuir–Blodgett (LB) film technique were applied for this purpose. π–A isotherms were obtained with a Langmuir trough and Wilhelmy balance. T Editors' collection: Physical Chemistry of Colloids and Interfaces. Molecular surface science of organic monolayers increases the temperature to K, ethylidyne forms which is shown", separately in figure 6. C H rhodium or other transition metal surfaces this molecule sits in a 3-fold site and its C-C bond is elongated to a single bond. l-ascorbic acid alkyl esters (ASC n) are molecules of pharmaceutical interest for their amphiphilic nature and proposed antioxidant contrast to l-ascorbic acid, ASC n with different acyl chain lengths behaved stably upon oxidation and a tautomeric isomerization was observed. In Langmuir films, when the ascorbic ring has a negative charge, ASC 14 and ASC 16 form stable monolayers.