Fecha de publicación: 28/10/2024 Fuente: Molecules - Revista científica (MDPI) Molecules, Vol. 29, Pages 5095: Comparative Study on Structural Differences in Monosaccharide Layers Using PLD and PED Techniques
Molecules doi: 10.3390/molecules29215095
Authors:
Agata Niemczyk
Agata Goszczyńska
Dariusz Moszyński
Paweł Figiel
Sebastian Fryska
Jolanta Baranowska

To demonstrate the feasibility of obtaining low-molecular-weight organic films (below 200 Da) using non-solvent PVD processes, glucose layers were produced via pulsed laser deposition (PLD) and pulsed electron beam deposition (PED) methods. Glucose was chosen due to its fundamental role in various biological processes, and because this low-molecular-weight compound is a solid at room temperature, which is required for both techniques. The physical and chemical structures of the deposited glucose layers were characterized by optical, scanning electron, and atomic force microscopy, as well as by X-ray diffraction, X-ray photoelectron, and infrared spectroscopy. Both PLD and PED methods resulted in glucose layers with good chemical structure preservation (with minor oxidation observed in PED) while yielding films with distinct physical properties. This opens up the possibility of tailoring organic layers with specific characteristics depending on the application, by choosing the deposition method.