Anton Plech
YOU?
Author Swipe
View article: Pulsed-laser induced gold microparticle fragmentation by thermal strain
Pulsed-laser induced gold microparticle fragmentation by thermal strain Open
Laser fragmentation of suspended microparticles is an upcoming alternative to laser ablation in liquid (LAL) that allows to streamline the the delivery process and optimize the irradiation conditions for best efficiency. Yet, the structura…
View article: Time-resolved probing of laser-induced nanostructuring processes in liquids
Time-resolved probing of laser-induced nanostructuring processes in liquids Open
Laser synthesis and processing of colloids (LSPC) in liquids has gained widespread applications in producing nanomaterials of different classes of solids. While the technical processes in different cases of ablation, fragmentation or collo…
View article: Laser-initiated electron and heat transport in gold-skutterudite CoSb<sub>3</sub> bilayers resolved by pulsed x-ray scattering
Laser-initiated electron and heat transport in gold-skutterudite CoSb<sub>3</sub> bilayers resolved by pulsed x-ray scattering Open
Electron and lattice heat transport have been investigated in bilayer thin films of gold and CoSb 3 after photo-excitation of the nanometric top gold layer through picosecond x-ray scattering in a pump-probe setup. The kinetics of heat tra…
View article: Adsorption of Colloidal Nanoparticles to Supports: Employing Electrostatic Charge Screening and Barrierless Self‐Assembly as Nanointegration Strategy
Adsorption of Colloidal Nanoparticles to Supports: Employing Electrostatic Charge Screening and Barrierless Self‐Assembly as Nanointegration Strategy Open
Surfactant‐free nanoparticles can be adsorbed on a support material by electrostatic deposition which requires electrostatic attraction between the nanoparticles and the support material. However, when nanoparticles and support have a simi…
View article: Laser-initiated electron and heat transport in gold-skutterudite CoSb$_3$ bilayers resolved by pulsed x-ray scattering
Laser-initiated electron and heat transport in gold-skutterudite CoSb$_3$ bilayers resolved by pulsed x-ray scattering Open
Electron and lattice heat transport have been investigated in bilayer thin films of gold and CoSb$_3$ after photo-excitation of the nanometric top gold layer through picosecond x-ray scattering in a pump-probe setup. The unconventional obs…
View article: In Situ Study of the Interface-Mediated Solid-State Reactions during Growth and Postgrowth Annealing of Pd/a-Ge Bilayers
In Situ Study of the Interface-Mediated Solid-State Reactions during Growth and Postgrowth Annealing of Pd/a-Ge Bilayers Open
Ohmic or Schottky contacts in micro- and nanoelectronic devices are formed by metal-semiconductor bilayer systems, based on elemental metals or thermally more stable metallic compounds (germanides, silicides). The control of their electron…
View article: Bulk morphology of porous materials at submicrometer scale studied by dark-field x-ray imaging with Hartmann masks
Bulk morphology of porous materials at submicrometer scale studied by dark-field x-ray imaging with Hartmann masks Open
We present the quantitative investigation of the submicron structure in the bulk of porous graphite by using the dark-field x-ray imaging with Hartmann masks. By scanning the correlation length and measuring the mask visibility reduction, …
View article: Speciation in nanosecond laser ablation of zinc in water
Speciation in nanosecond laser ablation of zinc in water Open
In situ experimental methods have been applied to resolve mass flow and chemical speciation in the pulsed laser ablation of zinc in water. The chemical speciation has been resolved by time-resolved μ -X-ray absorption spectroscopy and mapp…
View article: Bulk morphology of porous materials at sub-micrometer scale studied by multi-modal X-ray imaging with Hartmann masks
Bulk morphology of porous materials at sub-micrometer scale studied by multi-modal X-ray imaging with Hartmann masks Open
We present the quantitative investigation of the submicron structure in the bulk of porous graphite by using the scattering signal in the multi-modal X-ray imaging with Hartmann masks. By scanning the correlation length and measuring the m…
View article: Structural dynamics probed by X-ray pulses from synchrotrons and XFELs
Structural dynamics probed by X-ray pulses from synchrotrons and XFELs Open
This review focuses on how short X-ray pulses from synchrotrons and XFELs can be used to track light-induced structural changes in molecular complexes and proteins via the pump–probe method. The upgrade of the European Synchrotron Radiatio…
View article: Photoluminescence of Fully Inorganic Colloidal Gold Nanocluster and Their Manipulation Using Surface Charge Effects
Photoluminescence of Fully Inorganic Colloidal Gold Nanocluster and Their Manipulation Using Surface Charge Effects Open
Fully inorganic, colloidal gold nanoclusters (NCs) constitute a new class of nanomaterials that are clearly distinguishable from their commonly studied metal–organic ligand‐capped counterparts. As their synthesis by chemical methods is cha…
View article: Layer-by-Layer Spray-Coating of Cellulose Nanofibrils and Silver Nanoparticles for Hydrophilic Interfaces
Layer-by-Layer Spray-Coating of Cellulose Nanofibrils and Silver Nanoparticles for Hydrophilic Interfaces Open
Silver nanoparticles (AgNPs) and AgNP-based composite materials have attracted growing interest due to their structure-dependent optical, electrical, catalytic, and stimuli-responsive properties. For practical applications, polymeric mater…
View article: Shack–Hartmann wavefront sensors based on 2D refractive lens arrays and super-resolution multi-contrast X-ray imaging
Shack–Hartmann wavefront sensors based on 2D refractive lens arrays and super-resolution multi-contrast X-ray imaging Open
Different approaches of 2D lens arrays as Shack–Hartmann sensors for hard X-rays are compared. For the first time, a combination of Shack–Hartmann sensors for hard X-rays (SHSX) with a super-resolution imaging approach to perform multi-con…
View article: <i>In situ</i>structural kinetics of picosecond laser-induced heating and fragmentation of colloidal gold spheres
<i>In situ</i>structural kinetics of picosecond laser-induced heating and fragmentation of colloidal gold spheres Open
The structural and energetic pathway of picosecond laser fragmentation of gold colloids has been clarified by time-resolved X-ray scattering.
View article: <i>In situ</i> speciation and spatial mapping of Zn products during pulsed laser ablation in liquids (PLAL) by combined synchrotron methods
<i>In situ</i> speciation and spatial mapping of Zn products during pulsed laser ablation in liquids (PLAL) by combined synchrotron methods Open
Material ejection in pulsed laser ablation in liquids is analysed by X-ray in situ methods to resolve particle formation and oxidation.
View article: Advanced Synchrotron Radiation Techniques for Nanostructured Materials
Advanced Synchrotron Radiation Techniques for Nanostructured Materials Open
Nanostructured materials exploit physical phenomena and mechanisms that cannot be derived by simply scaling down the associated bulk structures and phenomena; furthermore, new quantum effects come into play in nanosystems. The exploitation…
View article: Structural and Thermal Characterisation of Nanofilms by Time-Resolved X-ray Scattering
Structural and Thermal Characterisation of Nanofilms by Time-Resolved X-ray Scattering Open
High time resolution in scattering analysis of thin films allows for determination of thermal conductivity by transient pump-probe detection of dissipation of laser-induced heating, TDXTS. We describe an approach that analyses the picoseco…
View article: Time and Mechanism of Nanoparticle Functionalization by Macromolecular Ligands during Pulsed Laser Ablation in Liquids
Time and Mechanism of Nanoparticle Functionalization by Macromolecular Ligands during Pulsed Laser Ablation in Liquids Open
Laser ablation of gold in liquids with nanosecond laser pulses in aqueous solutions of inorganic electrolytes and macromolecular ligands for gold nanoparticle size quenching is probed inside the laser-induced cavitation bubble by in situ X…
View article: Early appearance of crystalline nanoparticles in pulsed laser ablation in liquids dynamics
Early appearance of crystalline nanoparticles in pulsed laser ablation in liquids dynamics Open
The size and crystallinity of gold and silver nanoparticles during pulsed laser ablation in water is investigated with microsecond and sub-microsecond time resolution.
View article: A Shack-Hartmann Sensor for Single-Shot Multi-Contrast Imaging with Hard X-rays
A Shack-Hartmann Sensor for Single-Shot Multi-Contrast Imaging with Hard X-rays Open
An array of compound refractive X-ray lenses (CRL) with 20 × 20 lenslets, a focal distance of 20cm and a visibility of 0.93 is presented. It can be used as a Shack-Hartmann sensor for hard X-rays (SHARX) for wavefront sensing and permits f…
View article: A Shack-Hartmann Sensor for Single-Shot Multi-Contrast Imaging with Hard X-rays
A Shack-Hartmann Sensor for Single-Shot Multi-Contrast Imaging with Hard X-rays Open
An array of compound refractive X-ray lenses (CRL) with 20 × 20 lenslets, a focal distance of 20cm and a visibility of 0.93 is presented. It can be used as a Shack-Hartmann sensor for hard X-rays (SHARX) for wavefront sensing and permits f…
View article: Scalable, large area compound array refractive lens for hard X-rays
Scalable, large area compound array refractive lens for hard X-rays Open
We demonstrate the fabrication of a 2D Compound Array Refractive Lens (CARL) for multi-contrast X-ray imaging. The CARL consists of six stacked polyimide foils with each displaying a 2D array of lenses with a 65 μm pitch aiming for a sensi…
View article: A Shack-Hartmann sensor for single-shot multi-contrast imaging with hard X-rays
A Shack-Hartmann sensor for single-shot multi-contrast imaging with hard X-rays Open
An array of compound refractive X-ray lenses (CRL) with 20x20 lenslets, a focal distance of 20 cm and a visibility of 0.93 is presented. It can be used as a Shack-Hartmann sensor for hard X-rays (SHARX) for wavefront sensing and permits fo…
View article: Shack-Hartman sensor wavefront reconstruction software
Shack-Hartman sensor wavefront reconstruction software Open
This software retrieves the different contrasts transmission, scattering and differential phase from 2D patterned images of Hartman or Shack-Hartman sensors. Additionally the absolute phase can be reconstructed.
View article: Thermal dynamics of pulsed-laser excited gold nanorods in suspension
Thermal dynamics of pulsed-laser excited gold nanorods in suspension Open
Photothermal reactions of metallic nanostructures, such as gold nanorods show appealing structural relaxations, such as bubble formation or particle modification.
View article: Target geometry and rigidity determines laser-induced cavitation bubble transport and nanoparticle productivity – a high-speed videography study
Target geometry and rigidity determines laser-induced cavitation bubble transport and nanoparticle productivity – a high-speed videography study Open
Productivity of laser ablation in liquids we found that the productivity is enhanced for a wire tip laser ablation due to a springboard-like effect of the flexible target releasing the cavitation bubble.