AFM Characterization of Track-Etched Membranes: Pores Parameters Distribution and Disorder Factor

The structural characteristics of polymer track-etched membranes (TM) were obtained by atomic force microscopy (AFM) for a set of samples (polypropylene, polycarbonate, polyethylene terephthalate, with average pore diameters ~183, 375, and 1430 nm, respectively). The analysis of AFM experimental dat...

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Bibliographic Details
Published in:	Applied sciences Vol. 12; no. 3; p. 1334
Main Authors:	Golovanova, Alina V., Domnina, Mariia A., Arzhanov, Artem I., Karimullin, Kamil R., Eremchev, Ivan Yu, Naumov, Andrey V.
Format:	Journal Article
Language:	English
Published:	Basel MDPI AG 01-02-2022
Subjects:	Anisotropy Atomic force microscopy Composite materials Computer applications Heat resistance image analysis Laboratories Membranes Microscopy Polyethylene Polyethylene terephthalate Polymers pore parameters Pores Porous materials Quantum dots Topography track-etched membranes
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Summary:	The structural characteristics of polymer track-etched membranes (TM) were obtained by atomic force microscopy (AFM) for a set of samples (polypropylene, polycarbonate, polyethylene terephthalate, with average pore diameters ~183, 375, and 1430 nm, respectively). The analysis of AFM experimental data was performed by using a specially developed technique for computer analysis of AFM images. The method allows one to obtain such parameters of TM as distribution of pore diameters, distribution of the minimum distances between the nearest pores, pore surface density, as well as to identify defective pores. Spatial inhomogeneities in the distribution of pore parameters were revealed. No anisotropy (some specific selected direction) was found in the surface distribution of the pores in the samples under study.
ISSN:	2076-3417 2076-3417
DOI:	10.3390/app12031334