Nicole Grobert
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View article: Formation Mechanism of BN Flakes on MWCNTs
Formation Mechanism of BN Flakes on MWCNTs Open
A novel heterostructured hexagonal‐boron nitride (h‐BN) flake‐coating on multi‐wall carbon nanotubes (MWCNT/BN) is reported and synthesized by chemical vapor deposition (CVD). Comprehensive characterization using X‐ray photoelectron spectr…
View article: Capturing atomic wetting dynamics in real time
Capturing atomic wetting dynamics in real time Open
Atomic-scale wetting governs material formation at the nanoscale but remains poorly understood under confinement, where classical capillarity models fail. The growth of metallic nanowires within multi-wall carbon nanotubes (MWCNTs) exempli…
View article: Ultrasonic cavitation shock wave exfoliation dynamics of 2D materials revealed in situ by MHz XFEL imaging and multiphysics modeling
Ultrasonic cavitation shock wave exfoliation dynamics of 2D materials revealed in situ by MHz XFEL imaging and multiphysics modeling Open
Using megahertz x-ray free electron laser imaging with x-ray pulses of ~25 femtoseconds and a machine-learning strategy, we have conducted comprehensive in situ imaging studies on the dynamics of cavitation bubble clouds in ultrasound fiel…
View article: A straightforward route to hexagonal-boron nitride fibers
A straightforward route to hexagonal-boron nitride fibers Open
Advanced fibers enable the fabrication of structures and composites for applications reliant on lightweight, oxidation resistant, mechanically strong, and electrically insulating materials, e.g. in all forms of land, air, and space transpo…
View article: Capturing atomic wetting dynamics in real time
Capturing atomic wetting dynamics in real time Open
Atomic-scale wetting plays a crucial role in the fabrication of materials at the nanoscale, yet remains poorly understood under confinement, in which classical capillarity models fail. The growth of metallic nanowires inside multi-wall car…
View article: Density Functional Theory Investigation of 2D Phase Separated Graphene/Hexagonal Boron Nitride Monolayers; Band Gap, Band Edge Positions, and Photo Activity
Density Functional Theory Investigation of 2D Phase Separated Graphene/Hexagonal Boron Nitride Monolayers; Band Gap, Band Edge Positions, and Photo Activity Open
Creating sustainable and stable semiconductors for energy conversion via catalysis, such as water splitting and carbon dioxide reduction, is a major challenge in modern materials chemistry, propelled by the limited and dwindling reserves o…
View article: Nanostructure and Photovoltaic Potential of Plasmonic Nanofibrous Active Layers
Nanostructure and Photovoltaic Potential of Plasmonic Nanofibrous Active Layers Open
Nanofibrous active layers offer hierarchical control over molecular structure, and the size and distribution of electron donor:acceptor domains, beyond conventional organic photovoltaic architectures. This structure is created by forming d…
View article: Corrigendum to “Understanding Interfacial Dynamics: Hydrostatic Pressure-Induced Sono-Dispersion of Carbon Nanotubes” [Surfaces and Interfaces, 51, (2024), 104740]
Corrigendum to “Understanding Interfacial Dynamics: Hydrostatic Pressure-Induced Sono-Dispersion of Carbon Nanotubes” [Surfaces and Interfaces, 51, (2024), 104740] Open
Corrigendum to “Understanding Interfacial Dynamics: Hydrostatic Pressure-Induced Sono-Dispersion of Carbon Nanotubes”
View article: Understanding interfacial dynamics: Hydrostatic pressure-induced sono-dispersion of carbon nanotubes
Understanding interfacial dynamics: Hydrostatic pressure-induced sono-dispersion of carbon nanotubes Open
Homogeneously dispersing carbon nanotubes (CNTs) is crucial for minimizing agglomeration issues commonly encountered in commercially available CNTs samples, thereby enhancing their unique mechanical, electrical, thermal, and optical proper…
View article: Electrospinning Nonspinnable Sols to Ceramic Fibers and Springs
Electrospinning Nonspinnable Sols to Ceramic Fibers and Springs Open
Electrospinning has been applied to produce ceramic fibers using sol gel-based spinning solutions consisting of ceramic precursors, a solvent, and a polymer to control the viscosity of the solution. However, the addition of polymers to the…
View article: Driving fiber diameters to the limit: nanoparticle-induced diameter reductions in electrospun photoactive composite nanofibers for organic photovoltaics
Driving fiber diameters to the limit: nanoparticle-induced diameter reductions in electrospun photoactive composite nanofibers for organic photovoltaics Open
Electrospun photoactive nanofibers hold significant potential for enhanced photon absorption and charge transport in organic photovoltaics. However, electrospinning conjugated polymers with fiber diameters comparable to exciton diffusion l…
View article: Driving Fiber Diameters to the Limit: Nanoparticle-induced Diameter Reductions in Electrospun Photoactive Composite Nanofibers for Organic Photovoltaics
Driving Fiber Diameters to the Limit: Nanoparticle-induced Diameter Reductions in Electrospun Photoactive Composite Nanofibers for Organic Photovoltaics Open
Electrospun photoactive nanofibers hold significant potential for enhanced photon absorption and charge transport in organic photovoltaics. However, electrospinning conjugated polymers with fiber diameters comparable to exciton diffusion l…
View article: 3D Electrospinning of Al2O3/ZrO2 fibrous aerogels for multipurpose thermal insulation
3D Electrospinning of Al2O3/ZrO2 fibrous aerogels for multipurpose thermal insulation Open
Ceramic aerogels are excellent ultralight-weight thermal insulators yet impractical due to their tendency towards structural degradation at elevated temperatures, under mechanical disturbances, or in humid environments. Here, we present fl…
View article: Hierarchical porosity design enables highly recyclable and efficient Au/TiO2 composite fibers for photodegradation of organic pollutants
Hierarchical porosity design enables highly recyclable and efficient Au/TiO2 composite fibers for photodegradation of organic pollutants Open
Titanium dioxide (TiO2) nanomaterials are ideal for photocatalytic degradation of organic pollutants but remain infeasible for industrial and municipal wastewater treatment because they cannot simultaneously satisfy two essential criteria …
View article: 3D Electrospinning of Al2O3/ZrO2 Fibrous Aerogels for Multipurpose Thermal Insulation
3D Electrospinning of Al2O3/ZrO2 Fibrous Aerogels for Multipurpose Thermal Insulation Open
Ceramic aerogels are excellent ultralight-weight thermal insulators yet impractical due to their tendency towards structural degradation at elevated temperatures, under mechanical disturbances, or in humid environments. Here, we present fl…
View article: Thermal Conductivity of Carbon/Boron Nitride Heteronanotube and Boron Nitride Nanotube Buckypapers: Implications for Thermal Management Composites
Thermal Conductivity of Carbon/Boron Nitride Heteronanotube and Boron Nitride Nanotube Buckypapers: Implications for Thermal Management Composites Open
To date, there has been limited reporting on the fabrication and properties of macroscopic sheet assemblies (specifically buckypapers) composed of carbon/boron nitride core-shell heteronanotubes (MWCNT@BNNT) or boron nitride nanotubes (BNN…
View article: Ultrasound cavitation and exfoliation dynamics of 2D materials re-vealed in operando by X-ray free electron laser megahertz imaging
Ultrasound cavitation and exfoliation dynamics of 2D materials re-vealed in operando by X-ray free electron laser megahertz imaging Open
Ultrasonic liquid phase exfoliation is a promising method for the production of two-dimensional (2D) layered materials. A large number of studies have been made in investigating the underlying ultrasound exfoliation mechanisms. However, du…
View article: Unveiling the Mechanism of the <i>in Situ</i> Formation of 3D Fiber Macroassemblies with Controlled Properties
Unveiling the Mechanism of the <i>in Situ</i> Formation of 3D Fiber Macroassemblies with Controlled Properties Open
Electrospinning technique is well-known for the generation of different fibers. While it is a "simple" technique, it lies in the fact that the fibers are typically produced in the form of densely packed two-dimensional (2D) mats with limit…
View article: Dual frequency ultrasonic cavitation in various liquids: High-speed imaging and acoustic pressure measurements
Dual frequency ultrasonic cavitation in various liquids: High-speed imaging and acoustic pressure measurements Open
Ultrasonic cavitation is used in various processes and applications, utilizing powerful shock waves and high-speed liquid jets generated by the collapsing bubbles. Typically, a single frequency source is used to produce the desired effects…
View article: Direct Evidence of the Exfoliation Efficiency and Graphene Dispersibility of Green Solvents toward Sustainable Graphene Production
Direct Evidence of the Exfoliation Efficiency and Graphene Dispersibility of Green Solvents toward Sustainable Graphene Production Open
Achieving a sustainable production of pristine high-quality graphene and other layered materials at a low cost is one of the bottlenecks that needs to be overcome for reaching 2D material applications at a large scale. Liquid phase exfolia…
View article: Direct evidence of exfoliation efficiency and graphene dispersibility of green solvents towards sustainable graphene production
Direct evidence of exfoliation efficiency and graphene dispersibility of green solvents towards sustainable graphene production Open
Achieving sustainable production of pristine high-quality graphene and other layered materials at low cost is one of the bottlenecks that needs to be overcome for reaching 2D materials applications at scale. Liquid Phase Exfoliation (LPE) …
View article: Megahertz Imaging the Implosion of Ultrasonic Bubbles and Their Effects on Exfoliation of 2D Functional Materials
Megahertz Imaging the Implosion of Ultrasonic Bubbles and Their Effects on Exfoliation of 2D Functional Materials Open
Using megahertz x-ray free electron laser imaging with x-ray pulses of ~25 femtoseconds and a machine-learning strategy, we have conducted comprehensive in situ imaging studies on the dynamics of cavitation bubble clouds in ultrasound fiel…
View article: Rational synthesis of polymer coated inorganic nanoparticles-MWCNT hybrids via solvophobic effects
Rational synthesis of polymer coated inorganic nanoparticles-MWCNT hybrids via solvophobic effects Open
The efficient synthesis of inorganic nanoparticle-carbon nanotube hybrids requires the development of models and synthetic guidelines that can be used to maximise the interactions between both nanomaterials. Herein we report the applicatio…
View article: Effect of Temperature and Acoustic Pressure During Ultrasound Liquid-Phase Processing of Graphite in Water
Effect of Temperature and Acoustic Pressure During Ultrasound Liquid-Phase Processing of Graphite in Water Open
Ultrasound-assisted liquid-phase exfoliation is a promising method for manufacturing two-dimensional materials. Understanding the effect of ultrasonication parameters such as the temperature and input power on the developed pressure field …