Single-walled carbon nanotube pristine films: Thickness determination, antireflective properties and two-photon 3D lithography demonstrationстатья
Статья опубликована в высокорейтинговом журнале
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Дата последнего поиска статьи во внешних источниках: 1 октября 2025 г.
Аннотация:We present a straightforward approach for measuring the thickness of highly porous and rough single-walled carbon nanotube (SWCNT) pristine thin films. Using the developed approach, the linear dependence of the film thickness on its absorbance at 550 nm was obtained with a slope coefficient of 404 nm, which can be used as a calibration curve for an optical determination of SWCNT pristine film thickness on the basis of spectrophotometry measurements. Transmittance and reflectance of free-standing SWCNT pristine films with thicknesses in the range of 20–120 nm are studied, and ultra-low specular reflectance below 0.05 % is obtained for the thinnest membrane. Perspectives of SWCNT-based antireflective coatings are explored using Si wafer as a reference. Finally, femtosecond laser 3D lithography is performed using free-standing SWCNT film as a substrate, which opens up new directions for the application of SWCNTs, for instance, in X-ray optics.