Jan Dellith
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View article: Quasi‐2D Morphologies of a Non‐Fullerene Acceptor Y6 by Interfacial Assembly via Langmuir–Schaefer Technique
Quasi‐2D Morphologies of a Non‐Fullerene Acceptor Y6 by Interfacial Assembly via Langmuir–Schaefer Technique Open
Supramolecular organization governs the structure and optoelectronic properties of organic thin films. This study shows that films based on the non‐fullerene acceptor Y6 can be precisely structured via assembly at the air‐water interface. …
View article: Crystalline texture of gold nanoparticles formed on polished silicon using solid state and laser-induced dewetting
Crystalline texture of gold nanoparticles formed on polished silicon using solid state and laser-induced dewetting Open
We aim to demonstrate the gold nanoparticle formation on silicon substrates by a time-consuming furnace process and a ns-short laser-induced process as methods that can be performed under ambient conditions. The properties of the particles…
View article: Inducing Hard Carbon‐like Sodium Storage Behavior in Graphitizable Carbon via Post‐Synthetic Introduction of Closed Porosity
Inducing Hard Carbon‐like Sodium Storage Behavior in Graphitizable Carbon via Post‐Synthetic Introduction of Closed Porosity Open
Hard carbon is commonly used as negative electrode in sodium‐ion‐batteries (SIBs). Another type of disordered carbon, soft carbon (SC, also known as graphitizable carbon), is considered as unsuitable for SIB applications, due to sodium sto…
View article: Understanding the Interplay Between Pore Structure and Ionic Liquid Interaction on the Gas Uptake of Microporous Carbons
Understanding the Interplay Between Pore Structure and Ionic Liquid Interaction on the Gas Uptake of Microporous Carbons Open
Interfaces formed between porous carbon materials and ionic liquids (ILs) play an essential role in catalysis as well as in electrochemical energy storage and energy conversion. Profound knowledge about the formed local structures on a mol…
View article: Polarization dependent optical response of infrared metamaterials
Polarization dependent optical response of infrared metamaterials Open
The scientific and technological interest in metamaterials is triggered by their specific unconventional optical properties, which enable a large pallet of applications. Here, we present the optical properties of metamaterials obtained by …
View article: Quasi-Two-Dimensional Phases of a Non-Fullerene Acceptor by Interfacial Assembly
Quasi-Two-Dimensional Phases of a Non-Fullerene Acceptor by Interfacial Assembly Open
Supramolecular organization governs the structure and optoelectronic properties of organic thin films. This study shows that films based on the non-fullerene acceptor Y6 can be precisely structured via assembly at the air-water interface. …
View article: Positive-tone Nanolithography of Antimony Trisulfide with Femtosecond Laser Wet-etching
Positive-tone Nanolithography of Antimony Trisulfide with Femtosecond Laser Wet-etching Open
Antimony trisulfide ($Sb_{2}S_{3}$), as an emerging material for integrated photonic devices, has attracted significant attention due to its high index, low loss, and phase-changing property in the optical regime. However, conventional lit…
View article: Electrochemically grown porous platinum for electrocatalysis and optical applications
Electrochemically grown porous platinum for electrocatalysis and optical applications Open
Localized electrochemically grown porous platinum layers on 2D and 3D microstructured materials enable a wide range of applications from electrocatalysis to optoelectronics. These layers exhibit a thickness gradient and surface corner over…
View article: Tuning high-order multiexciton properties of CdSe quantum dots via size and surface modification
Tuning high-order multiexciton properties of CdSe quantum dots via size and surface modification Open
Excitonic properties of colloidal quantum dots are strongly dependent on size and surface properties. The same is predicted to be valid for the properties of multiexcitons. To realize applications exploiting the generation of multiexcitons…
View article: Rapid Colorimetric Detection of Sulfite in Red Wine Using Alginate-Copper Laccase Nanozyme with Smartphone as an Optical Readout
Rapid Colorimetric Detection of Sulfite in Red Wine Using Alginate-Copper Laccase Nanozyme with Smartphone as an Optical Readout Open
Compared with the conventional analytical methods, nanozyme-based colorimetric sensors offer simpler and more accessible solutions for point-of-need food safety monitoring. Herein, Alginate-Cu (AlgCu) is reported as a robust laccase mimeti…
View article: Photocatalytic Oxygen Evolution with Prussian Blue Coated ZnO Origami Core‐Shell Nanostructures
Photocatalytic Oxygen Evolution with Prussian Blue Coated ZnO Origami Core‐Shell Nanostructures Open
The design and development of particulate photocatalysts have been an attractive strategy to incorporate earth‐abundant metal ions to water splitting devices. Herein, we synthesized CoFe‐Prussian blue (PB) coated ZnO origami core‐shell nan…
View article: Organic shell engineering of CsPbBr<sub>3</sub> perovskite quantum dots for efficient textile-based photodetectors
Organic shell engineering of CsPbBr<sub>3</sub> perovskite quantum dots for efficient textile-based photodetectors Open
We investigate the effect of CsPbBr 3 QDs shell engineering with aromatic short-chain ligands, namely phenylethylamine (PEA) and trans -cinnamic acid (TCA) on the performance of textile-based photodetector.
View article: Polarity dependent predictable and random resistive switching in forming-free unipolar memristors
Polarity dependent predictable and random resistive switching in forming-free unipolar memristors Open
Polycrystalline, hexagonal HoMnO3 thin films sandwiched between an un-patterned Pt/Ti bottom electrode and a circularly patterned Al top electrode reveal forming-free, polarity dependent predictable and random, unipolar resistive switching…
View article: Tuning high-order multiexciton properties of colloidal CdSe quantum dots <i>via</i> size and surface modification
Tuning high-order multiexciton properties of colloidal CdSe quantum dots <i>via</i> size and surface modification Open
Multiexciton properties of colloidal quantum dots are strongly dependent on size and surface properties.
View article: NIR-ViS-UV broadband absorption in ultrathin electrochemically-grown, graded index nanoporous platinum films
NIR-ViS-UV broadband absorption in ultrathin electrochemically-grown, graded index nanoporous platinum films Open
Nanoporous platinum broadband absorber has attracted interest in thermosensorics and IR photodetection due to its unique properties. In this work we report the physical mechanism underlying broadband absorption in electrochemically-grown, …
View article: Deposition of CdSe Nanocrystals in Highly Porous SiO2 Matrices—In Situ Growth vs. Infiltration Methods
Deposition of CdSe Nanocrystals in Highly Porous SiO2 Matrices—In Situ Growth vs. Infiltration Methods Open
Embedding quantum dots into porous matrices is a very beneficial approach for generating hybrid nanostructures with unique properties. In this contribution we explore strategies to dope nanoporous SiO2 thin films made by atomic layer depos…
View article: Deposition of CdSe nanocrystals in highly porous SiO2 matrices – in-situ growth vs. infiltration methods
Deposition of CdSe nanocrystals in highly porous SiO2 matrices – in-situ growth vs. infiltration methods Open
Embedding quantum dots into porous matrices is a very beneficial approach for generating hybrid nanostructures with unique properties. In this contribution we explore strategies to dope nanoporous SiO2 thin films made by atomic layer depos…
View article: Deposition of CdSe nanocrystals in highly porous SiO2 matrices – in-situ growth vs. infiltration methods
Deposition of CdSe nanocrystals in highly porous SiO2 matrices – in-situ growth vs. infiltration methods Open
Embedding quantum dots into porous matrices is a very beneficial approach for generating hybrid nanostructures with unique properties. In this contribution we explore strategies to dope nanoporous SiO2 thin films made by atomic layer depos…
View article: Magnetic Barium Hexaferrite Nanoparticles with Tunable Coercivity as Potential Magnetic Heating Agents
Magnetic Barium Hexaferrite Nanoparticles with Tunable Coercivity as Potential Magnetic Heating Agents Open
Using magnetic nanoparticles (MNPs) for extracorporeal heating applications results in higher field strength and, therefore, particles of higher coercivity can be used, compared to intracorporeal applications. In this study, we report the …
View article: Exploring the Reconfigurable Memory Effect in Electroforming-Free YMnO3-Based Resistive Switches: Towards a Tunable Frequency Response
Exploring the Reconfigurable Memory Effect in Electroforming-Free YMnO3-Based Resistive Switches: Towards a Tunable Frequency Response Open
Memristors, since their inception, have demonstrated remarkable characteristics, notably the exceptional reconfigurability of their memory. This study delves into electroforming-free YMnO3 (YMO)-based resistive switches, emphasizing the re…
View article: Impact of laser energy density on engineering resistive switching dynamics in self-rectifying analog memristors based on BiFeO3 thin films
Impact of laser energy density on engineering resistive switching dynamics in self-rectifying analog memristors based on BiFeO3 thin films Open
This study explores the feasibility of precisely tuning the resistive switching behavior of Au/BiFeO3/Pt/Ti/SiO2/Si memristors through controlled modulation of laser energy density during pulsed laser deposition (PLD). By systematically re…
View article: Grayscale Electron Beam Lithography Direct Patterned Antimony Sulfide
Grayscale Electron Beam Lithography Direct Patterned Antimony Sulfide Open
The rise of micro/nanooptics and lab-on-chip devices demands the fabrication of three-dimensional structures with decent resolution. Here, we demonstrate the combination of grayscale electron beam lithography and direct forming methodology…
View article: Dispersion, ionic bonding and vibrational shifts in phospho-aluminosilicate glasses
Dispersion, ionic bonding and vibrational shifts in phospho-aluminosilicate glasses Open
The average shift of high-frequency IR and Raman spectra, calculated as their centre of gravity (COG), correlates linearly with optical basicity and allows for estimating the average degree of covalent/ionic bonding by vibrational spectros…
View article: Tailoring the Weight of Surface and Intralayer Edge States to Control LUMO Energies
Tailoring the Weight of Surface and Intralayer Edge States to Control LUMO Energies Open
The energies of the frontier molecular orbitals determine the optoelectronic properties in organic films, which are crucial for their application, and strongly depend on the morphology and supramolecular structure. The impact of the latter…
View article: Aluminum-Doped Zinc Oxide Improved by Silver Nanowires for Flexible, Semitransparent and Conductive Electrodes on Textile with High Temperature Stability
Aluminum-Doped Zinc Oxide Improved by Silver Nanowires for Flexible, Semitransparent and Conductive Electrodes on Textile with High Temperature Stability Open
In order to facilitate the design freedom for the implementation of textile-integrated electronics, we seek flexible transparent conductive electrodes (TCEs) that can withstand not only the mechanical stresses encountered during use but al…
View article: Optimization of Magnetic Cobalt Ferrite Nanoparticles for Magnetic Heating Applications in Biomedical Technology
Optimization of Magnetic Cobalt Ferrite Nanoparticles for Magnetic Heating Applications in Biomedical Technology Open
Using magnetic nanoparticles for extracorporeal magnetic heating applications in bio-medical technology allows higher external field amplitudes and thereby the utilization of particles with higher coercivities (HC). In this study, we repor…
View article: Genome Mining in Glass Chemistry Using Linear Component Analysis of Ion Conductivity Data
Genome Mining in Glass Chemistry Using Linear Component Analysis of Ion Conductivity Data Open
Understanding the multivariate origin of physical properties is particularly complex for polyionic glasses. As a concept, the term genome has been used to describe the entirety of structure‐property relations in solid materials, based on f…
View article: Self‐Regulating Process for Large Area Nanowire Solar Cells Based on Thin Polycrystalline Silicon Films Prepared on Glass
Self‐Regulating Process for Large Area Nanowire Solar Cells Based on Thin Polycrystalline Silicon Films Prepared on Glass Open
Herein, a process for the large‐area passivating and contacting of nanowire‐based solar cells is demonstrated. The nanowire‐based solar cells are prepared on layered laser crystallization (LLC) polycrystalline silicon (pc‐Si) thin films wi…
View article: Covalent Functionalization of CdSe Quantum Dot Films with Molecular [FeFe] Hydrogenase Mimics for Light-Driven Hydrogen Evolution
Covalent Functionalization of CdSe Quantum Dot Films with Molecular [FeFe] Hydrogenase Mimics for Light-Driven Hydrogen Evolution Open
CdSe quantum dots (QDs) combined with [FeFe] hydrogenase mimics as molecular catalytic reaction centers based on earth-abundant elements have demonstrated promising activity for photocatalytic hydrogen generation. Direct linking of the [Fe…