PET Ion-Track Membranes: Formation Features and Basic Applications
This chapter is a brief review of the formation features of PET ion-track membranes with different pore parameters and an overview of their basic applications. The main aspects of membrane formation with pores of cylindrical and conical shapes are considered as well as an effect of irradiation and etching modes for the production of micro- and nanoporous materials are analyzed. Thus, this chapter considers the influence of irradiation fluence on the parameters of PET ion-track membranes and discusses the optimal ratio of fluence-diameter for practical applications. The effect of etching time and temperature on the pore diameters and the thicknesses of PET ion-track membranes with cylindrical pores are considered. The way in which PET ion-track membranes with asymmetric (conical) pores are formed is shown, and the effect of etching modes on the pore parameters is discussed. Moreover, PET ion-track membranes have a high potential for a wide range of technological applications, which are considered here, for example, water purification, direct and reverse osmosis, and template synthesis of nanostructures.
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