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Graphene is provably secure without false negatives and with tightly bounded false positives.
These findings suggest high-quality epitaxial graphene possesses the unique nature of monolayer graphene and is robust against device fabrication, which holds potential for graphene-based electronics applications.
Graphene broadens the libOS paradigm to support secure, multi-process APIs, such as copy-on-write fork, signals, and System V IPC.
Graphene is thermodynamically more stable than GO.
Graphene is highly sensitive to environmental influences, and thus, it is worthwhile to deposit protective layers on graphene without impairing its excellent properties.
These results indicate that preservation of π-conjugation of the basal plane of graphene is critical for electrical performance of graphene.
Pristine graphene is the strongest material ever measured.
This strongly doped graphene is very different from "graphene oxide" made by mineral acid attack.
It is revealed that a stable anchoring of nanoparticles (NPs) on the graphene surface, which is essential to prevent the restacking of graphene layers, is established only through a specific type of functional groups on the graphene.

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Solid state foaming process PCL possible?
4 answers
The solid-state foaming process of Poly(e-caprolactone) (PCL) is indeed feasible and has been extensively studied in various research papers. Studies have shown that utilizing supercritical carbon dioxide (scCO2) as a physical blowing agent enables the successful foaming of PCL. The incorporation of other materials such as Poly (lactic-co-glycolic acid) (PLGA), hydroxyapatite, nanocellulose, carboxymethylcellulose, and graphene oxide has been explored to enhance the properties of the foamed PCL structures. Optimal process parameters have been identified, including pressure, temperature, and time, to achieve structures suitable for biomedical applications. The biocompatibility of the resulting PCL foams has been confirmed, making them suitable for use in artificial scaffolds for cell culture in biomedical engineering.
Solid state foaming process pure PCL possible?
5 answers
Yes, the solid-state foaming process of pure poly(e-caprolactone) (PCL) is feasible. Research has shown that PCL can be foamed using supercritical carbon dioxide (scCO2) as a physical blowing agent, resulting in porous structures with controllable properties. Additionally, studies have explored the use of non-toxic and environmentally friendly blowing agents, such as supercritical mixtures of carbon dioxide (CO2) and ethyl lactate (EL), to foam PCL at relatively low temperatures. Furthermore, investigations into the foaming behavior of PCL with nitrogen as the foaming agent have provided insights into the correlation between foam structure and processing variables, aiding in the design of PCL foams with desired properties. Therefore, the solid-state foaming of pure PCL is not only possible but can also be tailored to achieve specific characteristics for various applications.
Solid state foaming process pure PCL at -70degree possible?
5 answers
Solid-state foaming of pure PCL at -70 degrees Celsius is not feasible based on the data from the provided contexts. The optimal conditions for foaming PCL-based composites using supercritical CO2 were found to be at a temperature of 70 degrees Celsius. Additionally, studies on PCL foaming with supercritical CO2 and ethyl lactate as blowing agents were conducted at temperatures ranging from 35 to 40 degrees Celsius. Furthermore, investigations into the foaming behavior of PCL with nitrogen as the foaming agent did not mention temperatures as low as -70 degrees Celsius, emphasizing the correlation between foaming temperature and foam structure. Therefore, based on the available data, solid-state foaming of pure PCL at -70 degrees Celsius is not supported by the research findings.
How to activate tio2 and manganese?
5 answers
To activate TiO2 and manganese, various methods and materials can be utilized based on the desired application. One approach involves preparing manganese oxide-titanium dioxide (MnO-TiO2) activator metalized layers using a metal powder sintering method, which facilitates bidirectional diffusion between ceramic bases and metalized layers, resulting in good combination and sealing. Another method includes synthesizing TiO2, ZrO2, and mixed-oxide (TiO2-ZrO2) materials with manganese as an active promoter, which significantly lowers the soot conversion light-off temperature and enhances catalytic activity. Additionally, the solvothermal process can be employed to create manganese/TiO2 composites, which exhibit photocatalytic activity for dye decomposition, especially under UV-light illumination. These methods showcase different ways to activate TiO2 and manganese for various applications.
Pure PCL can be foaming with external oil or water bath?
5 answers
Pure PCL can be foamed using supercritical carbon dioxide (scCO2) as a foaming agent, as demonstrated in various studies. When scCO2 was utilized as a dispersion medium for nanocomposite preparation and as a blowing agent, poor clay dispersion and non-uniform porous structures were observed. Additionally, the presence of clay in PCL nanocomposites resulted in increased cell density and reduced cell size during the foaming process, attributed to the higher viscosity of the melt. Furthermore, the foaming of PCL-based composites using supercritical carbon dioxide was analyzed, showing significant influence of process conditions on the properties of solid foams, with optimal parameters determined for specific applications. Therefore, external oil or water baths are not necessary for foaming pure PCL, as supercritical carbon dioxide can effectively serve as a foaming agent.
Definition of Graphene Oxide?
4 answers
Graphene oxide (GO) is a two-dimensional material derived from oxidized graphite, featuring a hexagonal lattice structure with oxygen functional groups decorating the carbon plane. It can be synthesized through exfoliation of graphite oxide using methods like sonication or mechanical stirring, with the modified Hummer’s method being a widely used technique. GO's versatile properties, including excellent electrical, mechanical, and thermal characteristics, make it suitable for various applications such as polymer composites, energy conversion materials, sensors, FET transistors, and photonic applications. Additionally, GO has emerged as a significant material in photonics, electronics, and optoelectronics, offering exceptional performance in technologies like solar energy harvesting, energy storage, medical diagnosis, image display, and optical communications.
How does the use of DEHP enhance the mechanical properties of polymers?
5 answers
The use of di(2-ethyl hexyl)phthalate (DEHP) as a plasticizer can have varying effects on the mechanical properties of polymers. Research indicates that DEHP, when added to PVC/PMMA blends, can lead to a decrease in stress at break and Young modulus, affecting the tensile behavior and hardness. On the other hand, studies have shown that post-processing heat treatment, like heat treating 3D printed PETG parts, can significantly enhance mechanical properties such as tensile and compressive strength, reducing the performance gap between 3D printing and injection molding. Additionally, the incorporation of sorbitol-derivatives into isotactic polypropylene (i-PP) through cryomilling has been found to improve tensile strength by reducing the average spherulite size of the polymer, enhancing its mechanical properties.
How is low carbon steel better than iron in industrial pipes?
5 answers
Low carbon steel offers superior corrosion resistance compared to conventional carbon steel and iron in industrial pipes due to its composition and microstructural characteristics. Additionally, low carbon steel exhibits uniform residual stress profiles with lower welding heat inputs, preventing stress concentration and maintaining mechanical properties. Furthermore, the microstructural analysis of low carbon steel shows enhanced ductility, toughness, and grain refinement after heat treatment, resulting in decreased hardness and brittleness, making it a favorable choice for industrial applications. Moreover, anodic iron oxide layers grown on low carbon steel surfaces demonstrate promising photoelectrochemical behavior, resembling expensive materials like α-Fe2O3, enhancing their functionality in specific applications.
PCL can be foamed according to external thermal stimulus inthe process of batch foaming process?
4 answers
PCL can indeed be foamed using external thermal stimulus in the batch foaming process. Studies have shown that the foaming behavior of PCL can be influenced by various factors such as temperature, pressure, and foaming agent concentration. Additionally, the incorporation of sacrificial materials like poly(ethyleneoxide) (PEO) can enhance the foaming process of PCL by increasing its viscosity and improving the porosity and interconnectivity of the resulting scaffolds. Furthermore, the use of supercritical carbon dioxide (scCO2) as a foaming agent has been explored in the production of porous PCL/clay nanocomposites, where different dispersion mediums like CO2-ethanol mixtures have shown improved clay dispersion and more uniform cell structures in the foamed materials. These findings collectively support the feasibility of foaming PCL with external thermal stimulus in batch foaming processes.
How does the chemical composition of Nb2O5 affect the redox properties of a GCE modified electrode?
5 answers
The chemical composition of Nb2O5 significantly influences the redox properties of a GCE modified electrode. Different studies have explored the synthesis and modification of Nb2O5 to enhance its electrochemical performance. For instance, the synthesis of Nb2O5/rGO composites has shown improved specific capacitance and electron transfer compared to rGO alone. Additionally, in situ doping of alkali metals in Nb2O5 has demonstrated a twofold enhancement in photoelectrochemical water splitting efficiencies, indicating improved charge carrier density and surface charge transfer. Moreover, Nb2O5/graphene nanocomposites have exhibited superior electrochemical conductivity and cyclic stability, making them effective electrodes for supercapacitor applications. These findings collectively highlight the crucial role of Nb2O5 chemical composition in enhancing the redox properties of GCE modified electrodes.
What about the ultraviolet durability of elctrochromic films?
5 answers
The ultraviolet durability of electrochromic films is a crucial aspect for their long-term performance. Recent research has focused on enhancing the stability and longevity of these films, particularly in applications like "smart windows" for energy-efficient buildings. Studies have shown that incorporating protective layers with specific components, such as isothiocyanate and mercaptan compounds, can significantly reduce the intensity of harmful ultraviolet rays, improving user safety and durability. Additionally, electrochemical treatments in liquid electrolytes have been explored to enhance the durability of films based on W oxide and Ni oxide, allowing for reliable lifetime predictions and potentially reversing film degradation. These advancements highlight the ongoing efforts to improve the ultraviolet durability of electrochromic films for sustainable and long-lasting applications.