Lucas P. Kreuzer
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View article: Sample environment for simultaneous quasi-elastic neutron scattering and Raman spectroscopy experiments demonstrated on polymer films under changing humidity and temperature
Sample environment for simultaneous quasi-elastic neutron scattering and Raman spectroscopy experiments demonstrated on polymer films under changing humidity and temperature Open
Understanding the dynamic and structural properties of matter across different timescales and length scales is essential for elucidating their functionality. We focus here on soft-matter systems, which are typically particularly sensitive …
View article: Impact of local structure on melt dynamics in Cu-Ti alloys: Insights from <i>ab initio</i> molecular dynamics simulations
Impact of local structure on melt dynamics in Cu-Ti alloys: Insights from <i>ab initio</i> molecular dynamics simulations Open
First-principles based molecular-dynamics simulations have been performed for binary CuxTi1−x (x = 0.31, 0.50, and 0.76) alloys to investigate the relationship between local structure and dynamical properties in the liquid and undercooled …
View article: Tuning the Morphology of Spray-Coated Biohybrid Beta-lactoglobulin:TiBALDh Films with pH for Water-Based and Nanostructured Titania
Tuning the Morphology of Spray-Coated Biohybrid Beta-lactoglobulin:TiBALDh Films with pH for Water-Based and Nanostructured Titania Open
The whey protein beta-lactoglobulin (β-lg) is used as a biotemplate for the water-based synthesis of nanostructured and foam-like titania films based on its variation in supramolecular structure when denatured at different pH values. Actin…
View article: Impact of Humidity on Water Dynamics and Electrical Conductivity in PEDOT:PSS/Cellulose Nanofibril Nanocomposite Films: Insights from Quasi-Elastic Neutron Scattering
Impact of Humidity on Water Dynamics and Electrical Conductivity in PEDOT:PSS/Cellulose Nanofibril Nanocomposite Films: Insights from Quasi-Elastic Neutron Scattering Open
View article: Solvation Dynamics of Thermoresponsive Polymer Films: The Influence of Salt Series in Water and Mixed Water/Methanol Atmosphere
Solvation Dynamics of Thermoresponsive Polymer Films: The Influence of Salt Series in Water and Mixed Water/Methanol Atmosphere Open
Understanding the salt effects on solvation behaviors of thermoresponsive polymers is crucial for designing and optimizing responsive systems suitable for diverse environments. In this work, the effect of potassium salts (CH 3 COOK, KCl, K…
View article: Impact of local structure on melt dynamics in Cu-Ti alloys: Insights from ab-initio molecular dynamics simulations
Impact of local structure on melt dynamics in Cu-Ti alloys: Insights from ab-initio molecular dynamics simulations Open
First-principle based molecular-dynamics simulations have been performed for binary Cu$_x$Ti$_{1-x}$ (x = 0.31, 0.50, and 0.76) alloys to investigate the relationship between local structure and dynamical properties in the liquid and under…
View article: Impact of sulfur addition on the structure and dynamics of Ni–Nb alloy melts
Impact of sulfur addition on the structure and dynamics of Ni–Nb alloy melts Open
We investigated the change in the structure and dynamics of a Ni–Nb bulk metallic glass upon sulfur addition on both microscopic and macroscopic scales. With the sulfur concentration of 3 at. %, where the composition Ni58Nb39S3 exhibits th…
View article: The Topology of Polymer Brushes Determines Their Nanoscale Hydration
The Topology of Polymer Brushes Determines Their Nanoscale Hydration Open
View article: The Topology of Polymer Brushes Determines Their Nanoscale Hydration
The Topology of Polymer Brushes Determines Their Nanoscale Hydration Open
Time‐of‐flight neutron reflectometry (ToF‐NR) performed under different relative humidity conditions demonstrates that polymer brushes constituted by hydrophilic, cyclic macromolecules exhibit a more compact conformation with lower roughne…
View article: Relationship of the atomic dynamics and excess volume of a copper rich Cu76Ti24 alloy melt
Relationship of the atomic dynamics and excess volume of a copper rich Cu76Ti24 alloy melt Open
We investigate the atomic dynamics of a Cu-rich Cu76Ti24 alloy between 1223 K and 1453 K using the quasi-elastic neutron scattering technique. The obtained mean Cu/Ti self-diffusion coefficient D exhibits an Arrhenius-like temperature depe…
View article: Ternary Nanoswitches Realized with Multiresponsive PMMA‐<i>b</i>‐PNIPMAM Films in Mixed Water/Acetone Vapor Atmospheres
Ternary Nanoswitches Realized with Multiresponsive PMMA‐<i>b</i>‐PNIPMAM Films in Mixed Water/Acetone Vapor Atmospheres Open
Peter Müller-Buschbaum and co-workers show in their article number 2100191 that ternary nanoswitches can be realized when combining multi-responsive block copolymer films with mixed vapor atmospheres. The combination of amphiphilicity and …
View article: Flexible Sample Environments for the Investigation of Soft Matter at the European Spallation Source: Part III—The Macroscopic Foam Cell
Flexible Sample Environments for the Investigation of Soft Matter at the European Spallation Source: Part III—The Macroscopic Foam Cell Open
The European Spallation Source (ESS), which is under construction in Lund (Sweden), will be the leading and most brilliant neutron source and aims at starting user operation at the end of 2023. Among others, two small angle neutron scatter…
View article: Humidity‐Induced Nanoscale Restructuring in PEDOT:PSS and Cellulose Nanofibrils Reinforced Biobased Organic Electronics
Humidity‐Induced Nanoscale Restructuring in PEDOT:PSS and Cellulose Nanofibrils Reinforced Biobased Organic Electronics Open
In times where research focuses on the use of organic polymers as a base for complex organic electronic applications and improving device efficiencies, degradation is still less intensively addressed in fundamental studies. Hence, advanced…
View article: Ternary Nanoswitches Realized with Multiresponsive PMMA‐<i>b</i>‐PNIPMAM Films in Mixed Water/Acetone Vapor Atmospheres
Ternary Nanoswitches Realized with Multiresponsive PMMA‐<i>b</i>‐PNIPMAM Films in Mixed Water/Acetone Vapor Atmospheres Open
To systematically add functionality to nanoscale polymer switches, an understanding of their responsive behavior is crucial. Herein, solvent vapor stimuli are applied to thin films of a diblock copolymer consisting of a short poly(methyl m…
View article: Flexible Sample Environment for the Investigation of Soft Matter at the European Spallation Source: Part II—The GISANS Setup
Flexible Sample Environment for the Investigation of Soft Matter at the European Spallation Source: Part II—The GISANS Setup Open
The FlexiProb project is a joint effort of three soft matter groups at the Universities of Bielefeld, Darmstadt, and Munich with scientific support from the European Spallation Source (ESS), the small-K advanced diffractometer (SKADI) beam…
View article: Flexible Sample Environments for the Investigation of Soft Matter at the European Spallation Source: Part I—The In Situ SANS/DLS Setup
Flexible Sample Environments for the Investigation of Soft Matter at the European Spallation Source: Part I—The In Situ SANS/DLS Setup Open
As part of the development of the new European Spallation Source (ESS) in Lund (Sweden), which will provide the most brilliant neutron beams worldwide, it is necessary to provide different sample environments with which the potential of th…
View article: Flexible Sample Environments for the Investigation of Soft Matter at the European Spallation Source: Part I—The In Situ SANS/DLS Setup
Flexible Sample Environments for the Investigation of Soft Matter at the European Spallation Source: Part I—The In Situ SANS/DLS Setup Open
As part of the development of the new European Spallation Source (ESS) in Lund (Sweden), which will provide the most brilliant neutron beams worldwide, it is necessary to provide different sample environments with which the potential of th…
View article: Flexible Sample Environments for the Investigation of Soft Matter at the European Spallation Source: Part III—The Macroscopic Foam Cell
Flexible Sample Environments for the Investigation of Soft Matter at the European Spallation Source: Part III—The Macroscopic Foam Cell Open
The European Spallation Source (ESS), which is under construction in Lund (Sweden), will be the leading and most brilliant neutron source and aims at starting user operation at the end of 2023. Among others, two small angle neutron scatter…
View article: Comparing the backfilling of mesoporous titania thin films with hole conductors of different sizes sharing the same mass density
Comparing the backfilling of mesoporous titania thin films with hole conductors of different sizes sharing the same mass density Open
Efficient infiltration of a mesoporous titania matrix with conducting organic polymers or small molecules is one key challenge to overcome for hybrid photovoltaic devices. A quantitative analysis of the backfilling efficiency with time-of-…
View article: Water-Induced Structural Rearrangements on the Nanoscale in Ultrathin Nanocellulose Films
Water-Induced Structural Rearrangements on the Nanoscale in Ultrathin Nanocellulose Films Open
Many nanoscale biopolymer building blocks with defect-free molecular structure and exceptional mechanical properties have the potential to surpass the performance of existing fossil-based materials with respect to barrier properties, load-…
View article: Polysulfobetaines in Aqueous Solution and in Thin Film Geometry
Polysulfobetaines in Aqueous Solution and in Thin Film Geometry Open
Polysulfobetaines in aqueous solution show upper critical solution temperature (UCST) behavior. We investigate here the representative of this class of materials, poly (N,N-dimethyl-N-(3-methacrylamidopropyl) ammonio propane sulfonate) (PS…
View article: Enzymatic Catalysis at Nanoscale: Enzyme-Coated Nanoparticles as Colloidal Biocatalysts for Polymerization Reactions
Enzymatic Catalysis at Nanoscale: Enzyme-Coated Nanoparticles as Colloidal Biocatalysts for Polymerization Reactions Open
Enzyme-catalyzed controlled radical polymerization represents a powerful approach for the polymerization of a wide variety of water-soluble monomers. However, in such an enzyme-based polymerization system, the macromolecular catalyst (i.e.…