First PEM fuel cell based on ligand-free, laser-generated platinum nanoparticles
Sign Up to like & getrecommendations! Published in 2019 at "Applied Surface Science"
DOI: 10.1016/j.apsusc.2018.10.145
Abstract: Abstract For the first time, surfactant-free platinum nanoparticles (Pt-NPs) prepared by pulsed laser ablation in liquids were employed in a real proton exchange membrane fuel cell (PEMFC). Laser-generated Pt-NPs show a larger size in comparison… read more here.
Keywords: platinum nanoparticles; fuel cell; laser; laser generated ... See more keywords
Application of laser ultrasonic technique for detecting weld defect based on FDST method
Sign Up to like & getrecommendations! Published in 2020 at "Optik"
DOI: 10.1016/j.ijleo.2020.165366
Abstract: Abstract The propagation image of laser-generated ultrasonic wave interaction with the weld defect are investigated by the finite element method (FEM) and experimental system. We analyses the changes of ultrasonic wave at the different positions… read more here.
Keywords: based fdst; ultrasonic wave; laser generated; weld defect ... See more keywords
Experimental investigations of the particle motions induced by a laser-generated cavitation bubble.
Sign Up to like & getrecommendations! Published in 2019 at "Ultrasonics sonochemistry"
DOI: 10.1016/j.ultsonch.2019.03.019
Abstract: The interactions between a laser-generated cavitation bubble and a spherical particle are investigated experimentally with the aid of high-speed camera. Both the cavitation bubble dynamics and its induced particle moving dynamics are clearly recorded and… read more here.
Keywords: generated cavitation; experimental investigations; cavitation bubble; laser generated ... See more keywords
Laser-accelerated particle beams for stress testing of materials
Sign Up to like & getrecommendations! Published in 2017 at "Nature Communications"
DOI: 10.1038/s41467-017-02675-x
Abstract: Laser-driven particle acceleration, obtained by irradiation of a solid target using an ultra-intense (I > 1018 W/cm2) short-pulse (duration read more here.
Keywords: stress testing; testing materials; beams stress; particle ... See more keywords
Embedding laser generated nanocrystals in BiVO4 photoanode for efficient photoelectrochemical water splitting
Sign Up to like & getrecommendations! Published in 2019 at "Nature Communications"
DOI: 10.1038/s41467-019-10543-z
Abstract: Addressing the intrinsic charge transport limitation of metal oxides has been of significance for pursuing viable PEC water splitting photoelectrodes. Growing a photoelectrode with conductive nanoobjects embedded in the matrix is promising for enhanced charge… read more here.
Keywords: water splitting; embedding laser; water; charge ... See more keywords
Acceleration of relativistic beams using laser-generated terahertz pulses
Sign Up to like & getrecommendations! Published in 2019 at "Nature Photonics"
DOI: 10.1038/s41566-020-0674-1
Abstract: Particle accelerators driven by laser-generated terahertz (THz) pulses promise unprecedented control over the energy–time phase space of particle bunches compared with conventional radiofrequency technology. Here we demonstrate acceleration of a relativistic electron beam in a… read more here.
Keywords: relativistic beams; generated terahertz; acceleration relativistic; laser generated ... See more keywords
Laser-Generated Proton Beams for High-Precision Ultra-Fast Crystal Synthesis
Sign Up to like & getrecommendations! Published in 2017 at "Scientific Reports"
DOI: 10.1038/s41598-017-12782-w
Abstract: We present a method for the synthesis of micro-crystals and micro-structured surfaces using laser-accelerated protons. In this method, a solid surface material having a low melting temperature is irradiated with very-short laser-generated protons, provoking in… read more here.
Keywords: laser; surface; generated proton; laser accelerated ... See more keywords
Laser-generated Rayleigh wave for width gauging of subsurface lateral rectangular defects
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Applied Physics"
DOI: 10.1063/1.5028207
Abstract: In this study, the widths of subsurface lateral rectangular defects were successfully gauged using laser-generated Rayleigh waves. Finite element analysis was used to simulate the interaction between Rayleigh waves and subsurface defects. The results of… read more here.
Keywords: rayleigh waves; lateral rectangular; generated rayleigh; rectangular defects ... See more keywords
Ultrafast laser generated strain in granular and continuous FePt thin films
Sign Up to like & getrecommendations! Published in 2018 at "Applied Physics Letters"
DOI: 10.1063/1.5050234
Abstract: We employ ultrafast X-ray diffraction to compare the lattice dynamics of laser-excited continuous and granular FePt films on MgO (100) substrates. Contrary to recent results on free-standing granular films, we observe in both cases a… read more here.
Keywords: plane expansion; ultrafast laser; fept; laser generated ... See more keywords
Laser-generated focused ultrasound transmitters with frequency-tuned outputs over sub-10-MHz range
Sign Up to like & getrecommendations! Published in 2019 at "Applied Physics Letters"
DOI: 10.1063/1.5106415
Abstract: Previous laser-generated focused ultrasound (LGFU) systems have been operated with >15 MHz frequency, allowing for high spatial precision ( 15 MHz frequency, allowing for high spatial precision ( read more here.
Keywords: focused ultrasound; range; generated focused; frequency ... See more keywords
Effective size separation of laser-generated, surfactant-free nanoparticles by continuous centrifugation.
Sign Up to like & getrecommendations! Published in 2019 at "Nanotechnology"
DOI: 10.1088/1361-6528/ab55bd
Abstract: High-power, nanosecond, pulsed-laser ablation in liquids enables the continuous synthesis of highly-pure colloidal nanoparticles (NPs) at an application-relevant scale. The gained mass weighted particle size distribution is however often reported to be broad, requiring post… read more here.
Keywords: particle size; centrifugation; size; effective size ... See more keywords