Vacuum deposition films of oxadiazole compounds: formation and structure investigation

Near-Edge X-ray Absorption Fine Structure Spectroscopy on Ordered Films of an Amphiphilic Derivate of 2,5-Diphenyl-1,3,4-Oxadiazole

“…The Langmuir−Blodgett (LB) technique and organic molecular beam deposition (OMBD) were applied to prepare ordered organic films with typical thicknesses of about 30−60 nm on silicon substrates. Details of the film preparation and their characterization by X-ray reflectometry and scanning force microscopy (SFM) as well as details of molecular modeling calculations are described elsewhere. − An amphiphically substituted 2,5-diphenyl-1,3,4- oxadiazole (AF51), whose structure is shown in Figure , was used for the film preparation. The substituents in this molecule were inserted in order to guarantee good film formation and stabilization properties for the LB technique …”

Infrared spectroscopic study of the molecular orientation in LB-multilayers of an amphiphilic oxadiazole

“…By variation of chemical structure and by use of different film forming processes the properties of aromatic 1,3,4-oxadiazoles can be tailored to the requirements of various applications. Therefore, the film forming properties of these substances and the structure of highly ordered thin oxadiazole layers are of great interest [5,6]. One possibility to prepare such films as mono-or multimolecular layers on many substrate materials is the well-established Langmuir-Blodgett (LB)-technique.…”