Lately, various morphology and property changes were reported tha

Lately, various morphology and property changes were reported that have resulted from the FSL irradiation with different varieties of ambient, including various gaseous, as well as vacuum, Duvelisib liquid, water, and air [2, 5, 6, 15–17]. Over the past two decades, carbon nanotubes (CNTs)

have attracted a lot of attention due to their exceptional properties [18, 19], and as it is expected, potentially, they can replace silicon in the emerging nanoelectronics and nanophotonics. Hence, investigating the interaction of FSL irradiation with CNTs would represent a great interest. The first result that is useful for our investigation was obtained while studying the light interaction with fluffy arrays of single and multiwall CNTs containing metal (Fe) catalyst nanoparticles using a photoflash [20–24]. Photoacoustics and ignition have been observed in these arrays. The mechanism of ignition

was attributed to the light absorption by CNT arrays due to the black body effect that generated rapid increase in temperature. As a result, a chain oxidation reaction of CNTs and metal nanoparticles CH5183284 molecular weight was initiated which caused ignition; as a result of which, nanoparticles containing Fe2O3 and Fe3O4[24] or C, O, Si, and Fe [23, 24] were produced. The most important result of this investigation was that the metal nanoparticles are playing significant role in the deposited energy absorption.

A number of investigations were performed with the laser irradiation of arrays of dense vertically aligned CNTs which have been pursuing the aim of pattering the arrays in order to obtain the configurations of some devices. This process is known as laser pruning [25], burning [26], or laser machining [27]. The lowering Teicoplanin of the nanotube density and formation of nanotube junctions and nanoparticles via laser surface treatment were well reported [25–27]. To our best knowledge, only in few works, the femtosecond laser pulses were used for CNT treatment, for example [27, 28], while in the rest continuous irradiation of the gas or solid state lasers was utilized [25, 26, 29, 30]. What is important is that in all aforementioned studies, CNT arrays were synthesized by different chemical vapor ITF2357 research buy deposition (CVD) methods, either thermal, hot filament, or plasma enhanced, but in all of them, the localized on the substrate catalysts (Fe or Al/Fe) were used. As a result of this technology utilization, the CNT arrays did not contain metal catalyst nanoparticles. This situation determines the interaction process itself and the obtained products of interaction and could be considered as the simplest case of the laser irradiation interaction with the CNT arrays.

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