A study on structures and formation mechanisms of self-assembled monolayers of n-alkyltrichlorosilanes using infrared spectroscopy and atomic force microscopy

Structural Evolution of Octyltriethoxysilane Films on Glass Surfaces during Annealing at Elevated Temperature

“…Several investigators have examined the structure of films formed by adsorption from both hydrous and anhydrous solutions of octadecyltrichlorosilane and closely related compounds on mica (14,15), silica (16)(17)(18)(19) and more recently glass (20) surfaces. The techniques of atomic force microscopy (AFM) (14)(15)(16)(17)(18)(19)(20), ellipsometry (15)(16)(17)(18)(19), angle-dependent X-ray photoelectron spectroscopy (XPS) (21), and Fourier transform infrared spectroscopy (FTIR) (15,19,20) were used in these studies to determine the thickness and morphology of the films as well as their refractive index and molecular conformation.…”

“…The techniques of atomic force microscopy (AFM) (14)(15)(16)(17)(18)(19)(20), ellipsometry (15)(16)(17)(18)(19), angle-dependent X-ray photoelectron spectroscopy (XPS) (21), and Fourier transform infrared spectroscopy (FTIR) (15,19,20) were used in these studies to determine the thickness and morphology of the films as well as their refractive index and molecular conformation. In general, anhydrous solutions yielded adsorption by individual molecules or small physical aggregates which coalesced and densified into monolayer islands on the substrate surface.…”

Surface Functionalization of Silicon Oxide at Room Temperature and Atmospheric Pressure

“…The chemistry on silicon surfaces is more diverse. Passivated silicon is mostly derivatized using alkenes at high temperatures (5)(6)(7)(8), while a more common way to functionalize silicon surfaces is silanization of the native silicon oxide layer. So far, many different methods have been developed in order to obtain stable, flat, and highly functionalized silicon surfaces.…”

Role of Gel to Fluid Transition Temperatures of Polydiacetylene Vesicles with 10,12-Pentacosadiynoic Acid and Cholesterol in Their Thermochromisms

“…The two peaks less than those values were indicative of the formation of crystalline phases of alkyl chains. [43][44][45][46][47] In addition, all the vesicles had in common a peak around 1690 cm −1 , which was due to the carbonyl groups involving hydrogen bonds. 30 The results suggested that the five polymerized vesicles had enough cohesiveness among the PCDA molecules to form hydrogen bonds between headgroups and self-assemblies between alkyl groups.…”