Georg S. Duesberg
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View article: Visible and Terahertz Nonlinear Responses in the Topological Noble Metal Dichalcogenide PdTe2
Visible and Terahertz Nonlinear Responses in the Topological Noble Metal Dichalcogenide PdTe2 Open
Nonlinear processes can offer pathways to next-generation sensors and frequency mixing devices to overcome modern imaging, detection, and communication challenges. In this article, we report on strong second and third-order nonlinear optic…
View article: Quantifying the Influence of Nanosheet Aspect Ratio on Network Morphology and Junction Resistance in Solution-Processed Nanosheet Networks
Quantifying the Influence of Nanosheet Aspect Ratio on Network Morphology and Junction Resistance in Solution-Processed Nanosheet Networks Open
Optimizing solution-processed nanosheet networks for electronic applications requires understanding the relationship between nanosheet dimensions, network morphology, and electrical properties. Here, we fabricate graphene nanosheets with b…
View article: Impact of Strain in Free‐Standing PtSe <sub>2</sub> in Scalable 2D MEMS
Impact of Strain in Free‐Standing PtSe <sub>2</sub> in Scalable 2D MEMS Open
2D layered materials such as PtSe 2 are prime candidates for next‐generation micro‐ and nano‐electro–mechanical systems (MEMS/NEMS), including piezoresistive sensors. However, due to difficulties in large‐scale synthesis and the inherent d…
View article: Defect Studies in Thin-Film SiO2 of a Metal-Oxide-Silicon Capacitor Using Drift-Assisted Positron Annihilation Lifetime Spectroscopy
Defect Studies in Thin-Film SiO2 of a Metal-Oxide-Silicon Capacitor Using Drift-Assisted Positron Annihilation Lifetime Spectroscopy Open
This work investigates the impact of an internal electric field on the annihilation characteristics of positrons implanted in a 180(10)nm SiO2 layer of a Metal-Oxide-Silicon (MOS) capacitor, using Positron Annihilation Lifetime Spectroscop…
View article: Toward All 2D-based Printed Raindrop Triboelectric Nanogenerators
Toward All 2D-based Printed Raindrop Triboelectric Nanogenerators Open
The raindrop triboelectric nanogenerator (RD-TENG) is an emerging technology that is designed to harvest energy from raindrops. This application requires materials with negative triboelectric effect, high surface charge density, mechanical…
View article: Comprehensive benchmarking and user guide for the characterization of CVD-grown transition metal chalcogenides
Comprehensive benchmarking and user guide for the characterization of CVD-grown transition metal chalcogenides Open
Since the discovery of graphene in 2004, there has been rapid progress in research on two-dimensional (2D) material’s potential applications with significant impact. Efforts to bring 2D materials closer to industrial production, quality as…
View article: Highly Efficient Planar Hot Electron Emitters Based on Ultrathin Pyrolyzed Polymer Films
Highly Efficient Planar Hot Electron Emitters Based on Ultrathin Pyrolyzed Polymer Films Open
Miniaturized integrated hot electron emitters are highly sought after for application in chemical analytics and field-applicable systems. Here, we present the use of ultrathin pyrolyzed polymer films (PPFs) as the gate electrode, enabling …
View article: Piezoresistive Platinum Diselenide Pressure Sensors with Reliable High Sensitivity and Their Integration into Complementary Metal-Oxide-Semiconductor Circuits
Piezoresistive Platinum Diselenide Pressure Sensors with Reliable High Sensitivity and Their Integration into Complementary Metal-Oxide-Semiconductor Circuits Open
Membrane-based sensors are an important market for microelectromechanical systems (MEMS). Two-dimensional (2D) materials, with their low mass, are excellent candidates for suspended membranes to provide high sensitivity, small footprint se…
View article: Towards wafer-scale 2D material sensors
Towards wafer-scale 2D material sensors Open
The unique properties of two-dimensional (2D) materials bring great promise to improve sensor performance and realise novel sensing principles. However, to enable their high-volume production, wafer-scale processes that allow integration w…
View article: Scalable Metal–Organic Chemical Vapor Deposition of High Quality PtSe<sub>2</sub>
Scalable Metal–Organic Chemical Vapor Deposition of High Quality PtSe<sub>2</sub> Open
Platinum diselenide (PtSe 2 ), a 2D noble metal dichalcogenide, has recently received significant attention due to its outstanding properties. It undergoes a semimetal to semiconductor transition when thinned, offers a bandgap in the infra…
View article: 3D Printing of Hierarchical Structures Made of Inorganic Silicon-Rich Glass Featuring Self-Forming Nanogratings
3D Printing of Hierarchical Structures Made of Inorganic Silicon-Rich Glass Featuring Self-Forming Nanogratings Open
Hierarchical structures are abundant in nature, such as in the superhydrophobic surfaces of lotus leaves and the structural coloration of butterfly wings. They consist of ordered features across multiple size scales, and their advantageous…
View article: Piezoresistive PtSe$_2$ pressure sensors with reliable high sensitivity and their integration into CMOS ASIC substrates
Piezoresistive PtSe$_2$ pressure sensors with reliable high sensitivity and their integration into CMOS ASIC substrates Open
Membrane-based sensors are an important market for microelectromechanical systems (MEMS). Two-dimensional (2D) materials, with their low mass, are excellent candidates for suspended membranes to provide high sensitivity, small footprint se…
View article: Graphene Thermal Infrared Emitters Integrated into Silicon Photonic Waveguides
Graphene Thermal Infrared Emitters Integrated into Silicon Photonic Waveguides Open
Cost-efficient and easily integrable broadband mid-infrared (mid-IR) sources would significantly enhance the application space of photonic integrated circuits (PICs). Thermal incandescent sources are superior to other common mid-IR emitter…
View article: 3D printing of hierarchical structures made of inorganic silicon-rich glass featuring self-forming nanogratings
3D printing of hierarchical structures made of inorganic silicon-rich glass featuring self-forming nanogratings Open
Hierarchical structures are abundant in nature, such as in the superhydrophobic surfaces of lotus leaves and the structural coloration of butterfly wings. They consist of ordered features across multiple size scales, and their unique prope…
View article: Non-Stationary Gas Sensors Based on WSe2 or MoS2 Calibrated upon NH3 Exposure
Non-Stationary Gas Sensors Based on WSe2 or MoS2 Calibrated upon NH3 Exposure Open
We report on the calibration of gas sensors based on two transition metal dichalcogenides, molybdenum disulfide or tungsten diselenide, grown by the thermally assisted conversion of patterned Mo or W. The sensors showed non-stationary beha…
View article: Orientation Dependent Interlayer Coupling in Organic–Inorganic Heterostructures
Orientation Dependent Interlayer Coupling in Organic–Inorganic Heterostructures Open
Organic–inorganic 2D heterostructures combine the high optical absorption of organic molecules with exciton‐dominated optical properties in layered transition metal dichalcogenides (TMDs) such as MoS 2 . Critical to the interaction and the…
View article: Laser-induced graphene on cross-linked sodium alginate
Laser-induced graphene on cross-linked sodium alginate Open
Laser-induced graphene (LIG) possesses desirable properties for numerous applications. However, LIG formation on biocompatible substrates is needed to further augment the integration of LIG-based technologies into nanobiotechnology. Here, …
View article: Non-Volatile Resistive Switching of Polymer Residues in 2D Material Memristors
Non-Volatile Resistive Switching of Polymer Residues in 2D Material Memristors Open
Two-dimensional (2D) materials are popular candidates for emerging nanoscale devices, including memristors. Resistive switching (RS) in such 2D material memristors has been attributed to the formation and dissolution of conductive filament…
View article: Revealing the influence of edge states on the electronic properties of PtSe2
Revealing the influence of edge states on the electronic properties of PtSe2 Open
The properties and performance of 2D nanostructures are known to be critically affected by localized edge states. Here, platinum diselenide (PtSe2) films, synthesized by thermally assisted conversion, are characterized by a variety of spec…
View article: Graphene thermal infrared emitters integrated into silicon photonic waveguides
Graphene thermal infrared emitters integrated into silicon photonic waveguides Open
Cost-efficient and easily integrable broadband mid-infrared (mid-IR) sources would significantly enhance the application space of photonic integrated circuits (PICs). Thermal incandescent sources are superior to other common mid-IR emitter…
View article: Controllable and Reproducible Growth of Transition Metal Dichalcogenides by Design of Experiments
Controllable and Reproducible Growth of Transition Metal Dichalcogenides by Design of Experiments Open
Controllable and reproducible synthesis of 2D materials is crucial for their future applications. Chemical vapor deposition (CVD) promises scalable and high‐quality growth of 2D materials. However, to optimize CVD growth, multiple paramete…
View article: Three-dimensional printing of silica glass with sub-micrometer resolution
Three-dimensional printing of silica glass with sub-micrometer resolution Open
View article: Identification of Ubiquitously Present Polymeric Adlayers on 2D Transition Metal Dichalcogenides
Identification of Ubiquitously Present Polymeric Adlayers on 2D Transition Metal Dichalcogenides Open
The interest in 2D materials continues to grow across numerous scientific disciplines as compounds with unique electrical, optical, chemical, and thermal characteristics are being discovered. All these properties are governed by an all-sur…
View article: Graphisches Inhaltsverzeichnis: Angew. Chem. 22/2023
Graphisches Inhaltsverzeichnis: Angew. Chem. 22/2023 Open
Because of their large specific surface area, adjustable band gap, and uniformly pore structure, graphdiyne (GDY) materials have become a rising star for photocatalytic energy conversion.This Minireview summarizes the unique physicochemica…
View article: Graphical Abstract: Angew. Chem. Int. Ed. 22/2023
Graphical Abstract: Angew. Chem. Int. Ed. 22/2023 Open
A remotely controlled nanosystem for spatiotemporally specific gene regulation and combinational tumor
View article: Ultrafast and Resist-Free Nanopatterning of 2D Materials by Femtosecond Laser Irradiation
Ultrafast and Resist-Free Nanopatterning of 2D Materials by Femtosecond Laser Irradiation Open
The performance of two-dimensional (2D) materials is promising for electronic, photonic, and sensing devices since they possess large surface-to-volume ratios, high mechanical strength, and broadband light sensitivity. While significant ad…
View article: Sonication-assisted liquid exfoliation and size-dependent properties of magnetic two-dimensional α-RuCl<sub>3</sub>
Sonication-assisted liquid exfoliation and size-dependent properties of magnetic two-dimensional α-RuCl<sub>3</sub> Open
Originating from the hexagonal arrangement of magnetic ions in the presence of strong spin orbit coupling, α -RuCl 3 is considered as model system for the Kitaev-Heisenberg model. While the magnetic properties of α -RuCl 3 have been studie…
View article: Functionalisation of Graphene Sensor Surfaces for the Specific Detection of Biomarkers
Functionalisation of Graphene Sensor Surfaces for the Specific Detection of Biomarkers Open
We report on a controllable and specific functionalisation route for graphene field‐effect transistors (GFETs) for the recognition of small physiologically active molecules. Key element is the noncovalent functionalisation of the graphene …
View article: Metal-Organic Chemical Vapor Deposition of PtSe2
Metal-Organic Chemical Vapor Deposition of PtSe2 Open
Platinum diselenide (PtSe2), a novel two-dimensional material from the class of noble-metal dichalcogenide (NMD), has recently received significant attention due to its outstanding properties. PtSe2, which undergoes a semi metallic to semi…
View article: Highly conductive and long-term stable films from liquid-phase exfoliated platinum diselenide
Highly conductive and long-term stable films from liquid-phase exfoliated platinum diselenide Open
Long-term stable gas sensors by tiled networks from LPE-PtSe 2 .