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Pulsed laser fragmentation of microparticles (MPs) in liquid is a synthesis method for producing high‐purity nanoparticles (NPs) from virtually any material. Compared with laser ablation in liquids (LAL), the use of MPs enables a fully continuous, single‐step synthesis of colloidal NPs. Although having been employed in several studies, neither the fragmentation mechanism nor the efficiency or scalability...
Active and Redox‐Sensitive Colloidal Nanoclusters
In article number 2206485, Stephan Barcikowski, Heinz Paul Huber, and co‐workers track microparticle laser fragmentation processes all along the timescale from picoseconds to milliseconds. They discover the unprecedented efficiency to yield ultrasmall particles, exceeding current laser synthesis’ productivities by one order of magnitude. (Cover art...
In this study, we report on femtosecond (470fs) laser pulse ablation and modification of solution processed single-walled carbon nanotube (SWCNT) networks sprayed on oxidized silicon and polyimide substrates. Taking advantage of the small heat affected zone of the femtosecond pulse regime we demonstrate precise and selective laser processes, that advance laser patterning beyond simple galvanic isolation...
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