A5088162634- Copper Interconnects and Reliability
- Integrated Circuits and Semiconductor Failure Analysis
- Semiconductor materials and devices
- Electronic Packaging and Soldering Technologies
- Electron and X-Ray Spectroscopy Techniques
- 3D IC and TSV technologies
- Advanced Surface Polishing Techniques
- Metal and Thin Film Mechanics
- Advancements in Photolithography Techniques
- Force Microscopy Techniques and Applications
- Advanced Electron Microscopy Techniques and Applications
- Graphene research and applications
- X-ray Spectroscopy and Fluorescence Analysis
- Advancements in Semiconductor Devices and Circuit Design
- Ion-surface interactions and analysis
- Diamond and Carbon-based Materials Research
- Semiconductor materials and interfaces
- Aluminum Alloys Composites Properties
- Advanced ceramic materials synthesis
- Electrocatalysts for Energy Conversion
- Advanced X-ray Imaging Techniques
- Silicon and Solar Cell Technologies
- Near-Field Optical Microscopy
- X-ray Diffraction in Crystallography
- Advanced Photocatalysis Techniques
Technische Universität Dresden
2016-2025
Brandenburg University of Technology Cottbus-Senftenberg
2009-2025
University of Warsaw
2022-2024
Fraunhofer Institute for Ceramic Technologies and Systems
2014-2022
GlobalFoundries (Germany)
2009-2020
Fox Corporation (United States)
2018-2020
Xerox (France)
2018-2020
ON Semiconductor (United States)
2020
Teledyne Technologies (United States)
2018
Technical University of Denmark
2018
Abstract Various platinum-free electrocatalysts have been explored for hydrogen evolution reaction in acidic solutions. However, economical water-alkali electrolysers, sluggish water dissociation kinetics (Volmer step) on results poor hydrogen-production activities. Here we report a MoNi 4 electrocatalyst supported by MoO 2 cuboids nickel foam (MoNi /MoO @Ni), which is constructed controlling the outward diffusion of atoms annealing precursor NiMoO foam. Experimental and theoretical confirm...
The amplitude of the extended x-ray-absorption fine structure concentrated samples measured in fluorescence mode (FLEXAFS) as well overall shape fluorescence-yield spectra strongly depend on detection geometry through self-absorption effect. In these cases, a conventional EXAFS analysis can lead to systematic errors determination physical parameters. We studied distortions FLEXAFS effect measuring NiO single crystal above oxygen K edge for various geometries. show that knowing stoichiometry...
Abstract Highly effective electrocatalysts promoting CO 2 reduction reaction (CO RR) is extremely desirable to produce value-added chemicals/fuels while addressing current environmental challenges. Herein, we develop a layer-stacked, bimetallic two-dimensional conjugated metal-organic framework (2D c -MOF) with copper-phthalocyanine as ligand (CuN 4 ) and zinc-bis(dihydroxy) complex (ZnO linkage (PcCu-O 8 -Zn). The PcCu-O -Zn exhibits high selectivity of 88%, turnover frequency 0.39 s −1...
Owing to their earth abundance, high atom utilization, and excellent activity, single iron atoms dispersed on nitrogen-doped carbons (Fe-N-C) have emerged as appealing alternatives noble-metal platinum (Pt) for catalyzing the oxygen reduction reaction (ORR). However, ORR activity of current Fe-N-C is seriously limited by low density inferior exposure active Fe-Nx species. Here, a novel zinc-mediated template synthesis strategy demonstrated constructing densely exposed moieties hierarchically...
Metal-organic frameworks (MOFs) have so far been highlighted for their potential roles in catalysis, gas storage and separation. However, the realization of high electrical conductivity (>10-3 S cm-1) magnetic ordering MOFs will afford them new functions spintronics, which remains relatively unexplored. Here, we demonstrate synthesis a two-dimensional MOF by solvothermal methods using perthiolated coronene as ligand planar iron-bis(dithiolene) linkages enabling full π-d conjugation. This 2D...
Abstract Engineering conducting polymer thin films with morphological homogeneity and long-range molecular ordering is intriguing to achieve high-performance organic electronics. Polyaniline (PANI) has attracted considerable interest due its appealing electrical conductivity diverse chemistry. However, the synthesis of large-area PANI film control crystallinity thickness remain challenging because complex intermolecular interactions aniline oligomers. Here we report a facile route combining...
Abstract 2D conjugated metal‐organic frameworks (2D c ‐MOFs) are emerging as a novel class of conductive redox‐active materials for electrochemical energy storage. However, developing ‐MOFs flexible thin‐film electrodes have been largely limited, due to the lack capability solution‐processing and integration into nanodevices arising from rigid powder samples by solvothermal synthesis. Here, synthesis phthalocyanine‐based ‐MOF (Ni 2 [CuPc(NH) 8 ]) nanosheets through ball milling mechanical...
Abstract The realization of ferromagnetism in semiconductors is an attractive avenue for the development spintronic applications. Here, we report a semiconducting layered metal-organic framework (MOF), namely K 3 Fe 2 [( 2,3,9,10,16,17,23,24 -octahydroxy phthalocyaninato)Fe] (K [PcFe-O 8 ]) with spontaneous magnetization. This MOF features in-plane full π-d conjugation and exhibits behavior room temperature carrier mobility 15 ± cm V −1 s as determined by time-resolved Terahertz...
Despite the recent progress in synthesis of crystalline boronate ester covalent organic frameworks (BECOFs) powder and thin-film through solvothermal method on-solid-surface synthesis, respectively, their applications electronics, remain less explored due to challenges processability device integration associated with control film thickness, layer orientation, stability crystallinity. Moreover, although domain sizes samples can reach micrometer scale (up ≈1.5 μm), reported have so far rather...
The electrochemical N2 reduction reaction (NRR) under ambient conditions is attractive in replacing the current Haber-Bosch process toward sustainable ammonia production. Metal-heteroatom-doped carbon-rich materials have emerged as most promising NRR electrocatalysts. However, simultaneously boosting their activity and selectivity remains a grand challenge, while principle for precisely tailoring active sites has been elusive. Herein, we report first case of crystalline two-dimensional...
2D transition metal carbides and/or nitrides, so-called MXenes, are noted as ideal fast-charging cation-intercalation electrode materials, which nevertheless suffer from limited specific capacities. Herein, it is reported that constructing redox-active phosphorus-oxygen terminals can be an attractive strategy for Nb4 C3 MXenes to remarkably boost their capacities ultrafast Na+ storage. As revealed, with a stoichiometric formula of PO2 - display metaphosphate-like configuration each P atom...
The engineering of acetylenic carbon-rich nanostructures has great potential in many applications, such as nanoelectronics, chemical sensors, energy storage, and conversion, etc. Here we show the synthesis nanofibers via copper-surface-mediated Glaser polycondensation 1,3,5-triethynylbenzene on a variety conducting (e.g., copper, graphite, fluorine-doped tin oxide, titanium) non-conducting Kapton, glass, silicon dioxide) substrates. obtained (with optical bandgap 2.51 eV) exhibit...
Extraordinary electronic and photonic features render black phosphorus (BP) an important material for the development of novel electronics optoelectronics. Despite recent progress in preparation thinly layered BP flakes, scalable synthesis large-size, pristine flakes remains a major challenge. An electrochemical delamination strategy is demonstrated that involves intercalation diverse cations non-aqueous electrolytes, thereby peeling off bulk crystals into defect-free comprising only few...
We demonstrate the important role of water dissociation process in proton-feeding and enhancing ORR kinetics under an alkaline environment.
Germanium is a promising material for future very large scale integration transistors, due to its superior hole mobility. However, germanium-based devices typically suffer from high reverse junction leakage the low band-gap energy of 0.66 eV and therefore are characterized by static power dissipation. In this paper, we experimentally demonstrate solution suppress off-state in germanium nanowire Schottky barrier transistors. Thereto, device layout with two independent gates used induce an...
Abstract Developing resource‐abundant and sustainable metal‐free bifunctional oxygen electrocatalysts is essential for the practical application of zinc–air batteries (ZABs). 2D black phosphorus (BP) with fully exposed atoms active lone pair electrons can be promising electrocatalysts, which, however, suffers from low catalytic activity poor electrochemical stability. Herein, guided by density functional theory (DFT) calculations, an efficient electrocatalyst demonstrated via covalently...
The anion-intercalation chemistries of graphite have the potential to construct batteries with promising energy and power breakthroughs. Here, we report use an ultrathin, positively charged two-dimensional poly(pyridinium salt) membrane (C2DP) as electrode skin overcome critical durability problem. Large-area C2DP enables conformal coating on electrode, remarkably alleviating electrolyte. Meanwhile, dense face-on oriented single crystals ultrathin thickness cationic backbones allow high...
Owing to their high theoretical energy density, environmental benign character, and low cost, rechargeable Zn-air batteries have emerged as an attractive technology. Unfortunately, efficiency is seriously plagued by sluggish oxygen evolution reaction (OER) reduction (ORR) that alternately occurs on air electrodes. Herein, we demonstrate Co-based metal-organic framework (Co(bpdc)(H2 O)4 (bpdc=biphenyl -4, 4'-dicarboxylic acid), Co-MOF) arrays novel bifunctional electrocatalysts. The Co-MOF in...
Abstract Extraordinary electronic and photonic features render black phosphorus (BP) an important material for the development of novel electronics optoelectronics. Despite recent progress in preparation thinly layered BP flakes, scalable synthesis large‐size, pristine flakes remains a major challenge. An electrochemical delamination strategy is demonstrated that involves intercalation diverse cations non‐aqueous electrolytes, thereby peeling off bulk crystals into defect‐free comprising...
High-resolution imaging of buried metal interconnect structures in advanced microelectronic products with full-field X-ray microscopy is demonstrated the hard regime, i.e., at photon energies > 10 keV. The combination two multilayer optics—a side-by-side Montel (or nested Kirkpatrick–Baez) condenser optic and a high aspect-ratio Laue lens—results an asymmetric optical path transmission microscope. This optics arrangement allows 3D nanostructures opaque objects energy 24.2 keV (In-Kα...