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How do you wash a graphene coated car? 

Contact angle
Ultrafiltration
Graphene
Chemical vapor deposition
Wetting

Answers from top 10 papers

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Papers (10)Insight
Journal Article•DOI
Car wash industry in Malaysia: Treatment of car wash effluent using ultrafiltration and nanofiltration membranes
Woei Jye Lau, Ahmad Fauzi Ismail, S. Firdaus 
05 Feb 2013-Separation and Purification Technology
85 Citations
The features demonstrated by NF270 in separating the pollutants from the car wash effluent coupled with stable water production make the membrane a good candidate to be employed and offer an environmentally sustainable option to car wash industry.
Journal Article•DOI
Dynamic Wetting of Nanodroplets on Smooth and Patterned Graphene-Coated Surface
Shih-Wei Hung, Junichiro Shiomi 
02 Apr 2018-Journal of Physical Chemistry C
19 Citations
Unlike the smooth graphene-coated surfaces, dynamic wetting on the patterned graphene-coated surfaces depends on ...
Journal Article•DOI
A review of hydrofluoric acid and its use in the car wash industry
Homer C. Genuino, Naftali N. Opembe, Eric C. Njagi, Skye McClain, Steven L. Suib 
25 Sep 2012-Journal of Industrial and Engineering Chemistry
35 Citations
Improvements in cleaning processes, development of available technologies, and utilization of cleaning products containing natural and various benign polymers and surfactants are healthy and environmentally sound alternatives to HF for car wash applications.
Journal Article•DOI
Effects of graphene coating and charge injection on water adsorption of solid surfaces
Yufeng Guo, Wanlin Guo 
10 Oct 2013-Nanoscale
14 Citations
Our results suggest a viable way to modify water adsorption on a graphene-coated surface and unveil the role of graphene as a passivation layer for the wetting of a charged substrate.
Open access•Journal Article•DOI
Assembly of graphene oxide on cotton fiber through dyeing and their properties
Jie Zhou, Qiulan Luo, Gao Pu, Ma Hui 
19 Mar 2020-RSC Advances
14 Citations
The results show that, the fabrics coated with graphene had excellent fastness to washing, friction and bending.
Open access•Journal Article
Cyclododecane as support material for clean and facile transfer of large-area few-layer graphene
Andrea Capasso, M. De Francesco, Enrico Leoni, Theodoros Dikonimos, Francesco Buonocore, Laura Lancellotti, Eugenia Bobeico, Sarto, Alessio Tamburrano, G. De Bellis, Nicola Lisi 
15 Sep 2014-Science & Engineering Faculty
31 Citations
This material can be easily spin coated on graphene and assist the transfer, leaving no residues and requiring no further removal processes.
Journal Article•DOI
Investigation of wear and corrosion behavior of graphene nanoplatelet-coated B4C reinforced Al–Si matrix semi-ceramic hybrid composites:
Safa Polat, Yavuz Sun, Engin Çevik, Hendrik O. Colijn, M. Emre Turan 
12 Apr 2019-Journal of Composite Materials
32 Citations
Characterization results show that graphene coated on the B4C surface was successfully achieved by semi-powder method.
Journal Article•DOI
Water can stably disperse liquid-exfoliated graphene
Min Yi, Zhigang Shen, Shuaishuai Liang, Lei Liu, Xiaojing Zhang, Shulin Ma 
31 Oct 2013-Chemical Communications
64 Citations
This work opens up a whole new vista on how to disperse graphene.
Open access•Journal Article•DOI
Tribochemistry of graphene on iron and its possible role in lubrication of steel
Paolo Restuccia, Maria Clelia Righi 
01 Sep 2016-Carbon
102 Citations
Thanks to a passivating effect, the metal surfaces coated by graphene become almost inert and present very low adhesion and shear strength when mated in a sliding contact.
Journal Article•DOI
Wetting: Unobtrusive graphene coatings
Friedrich Gunther Mugele
01 Mar 2012-Nature Materials
23 Citations
Such 'wetting transparency' could lead to superior conducting and hydrophobic graphene-coated surfaces with tunable electronic properties.

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How strain is defined in graphene at the atomic level?
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Graphene-based membranes and zeolite-based membranes each offer unique advantages for carbon dioxide separation, with potential applications that leverage their distinct properties. Graphene-based membranes are celebrated for their high separation potential, attributed to their tunable nanosized channels, high surface area, and porosity, which are crucial for efficient ion and molecule separation. The solvent-ink-jet printing technique described for graphene layers indicates a novel approach to overcoming challenges in scalable manufacturing, showing promising CO2 separation performance with a significant decrease in CO2 composition in permeate. Graphene oxide (GO), in particular, has shown great potential in membrane-based separation, with its incorporation into membranes enhancing permeation and metal ions rejection rates, indicating its versatility beyond gas separation to applications like heavy metals removal from polluted water. On the other hand, zeolite membranes, as compiled in a review, have seen recent advancements that significantly improve selectivities and permeances for CO2 and N2, suggesting reduced energy demand and lower operational costs. However, their commercial deployment requires further studies to assess long-term operation and separation performance in multicomponent systems. Zeolitic imidazolate frameworks (ZIFs), a subset of zeolite membranes, when modified with graphene nanoribbons (GNRs), have shown to rigidify the framework, leading to high H2/CO2 separation performance, indicating their potential application in blue hydrogen production. Comparatively, graphene-based membranes offer broader application potential due to their mechanical properties and tunability, which are advantageous for both gas separation and water treatment. Zeolite membranes, with their improved selectivity and permeance for specific gases, present a cost-effective option for industrial gas separation processes. The integration of graphene or GNRs into zeolite frameworks combines the strengths of both materials, suggesting a synergistic approach for enhancing separation performance.What is the relationship between nano surface roughness and adhesion?
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Nano surface roughness plays a crucial role in adhesion phenomena across various fields. Studies have shown that reducing the surface roughness of materials such as NiTi wires to nano-levels significantly decreases bacterial adhesion by over 70% to 83.48%. Conversely, the extent of bacterial fouling on hydrophobic surfaces can vary up to 75-fold with changes in surface roughness, with increased roughness enhancing adhesion on certain surfaces. Furthermore, nanoparticle roughness affects suspension stability, where small changes in roughness can significantly impact the phase behavior of suspensions, influencing adhesion forces and gel formation. Additionally, the adhesion hysteresis of Cu thin films is influenced by surface roughness, with smoother surfaces exhibiting more pronounced adhesion hysteresis. These findings collectively highlight the intricate relationship between nano surface roughness and adhesion in various material systems.Why nitrigen doped graohene is better that graphene for gas sensing?
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Nitrogen-doped graphene exhibits enhanced gas-sensing capabilities compared to pristine graphene due to several key factors. Firstly, the introduction of nitrogen into the graphene lattice induces a band gap, which is absent in pristine graphene, thereby improving its electrical conductivity and sensitivity to gas molecules. This modification allows for a more pronounced modulation of electrical conductivity in response to gas adsorption, making nitrogen-doped graphene a superior material for detecting various gases. The doping process also generates defects and increases the surface area, which maximizes the interaction between the surface and gas molecules, further enhancing the gas-sensing performance. Density Functional Theory (DFT) studies have shown that nitrogen-doped graphene sheets exhibit selective binding to different gases, such as carbon monoxide, carbon dioxide, and oxygen, which is crucial for the development of selective gas sensors. The electronic structures of these doped graphene sheets are altered in a way that improves their ability to detect specific gases. Additionally, the presence of nitrogen creates special binding sites that are beneficial for near-surface interaction with gas molecules, significantly changing the electronic characteristics of graphene and its derivatives and expanding its potential use as gas sensors. Experimental research has demonstrated that nitrogen-doped graphene sensors are responsive to low concentrations of gases at room temperature, showcasing higher sensitivity and excellent reproducibility compared to their undoped counterparts. Furthermore, the introduction of nitrogen into graphene has been shown to facilitate stronger chemisorption of gas molecules, such as NO2, leading to higher sensitivity and selectivity towards these gases. The codoping of heteroatoms, including nitrogen, in graphene has been explored to further improve gas sensing properties, indicating that nitrogen doping is a key strategy in enhancing the performance of graphene-based gas sensors. In summary, nitrogen doping enhances the gas-sensing capabilities of graphene by introducing a band gap, generating defects, increasing surface area, and creating specific binding sites for gas molecules, which collectively contribute to improved sensitivity, selectivity, and overall performance of gas sensors.How does the extraction process affect lignin?
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The mathematical formulas used to parameterize Delaunay surfaces involve the utilization of Jacobi elliptic functions and canonical forms of elliptic integrals. Delaunay surfaces can be expressed through explicit parameterizations based on two independent real parameters representing size and shape, encompassing all possible Delaunay surfaces uniformly. Additionally, for constant mean curvature surfaces related to Delaunay surfaces, coordinate functions can be calculated in closed form, especially when the mean curvature is constant, where these functions can be expressed using Jacobi elliptic functions. Furthermore, in the context of constant mean curvature 1 surfaces, a uniform disk exists where surfaces closely resemble the model Delaunay surface, parametrized by the necksize of the model surface.What are the current advancements in the development of piezoresistive pressure sensors based on poly-silicon?
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Current advancements in piezoresistive pressure sensors based on poly-silicon include the utilization of silicon nanowires (SiNWs) for enhanced sensing capabilities. SiNWs exhibit unique one-dimensional electronic structures, making them ideal for various applications such as biosensors, FETs, and piezoresistive pressure sensors. Additionally, the development of flexible piezoresistive membranes using polymer solutions has shown promising results, with increased sensitivity and gauge factors for piezoresistive sensing applications. Furthermore, the integration of ultra-thin graphene foam (GRF) with polydimethylsiloxane (PDMS) in piezoresistive pressure sensors has demonstrated sensitivity to pressures ranging from 0 to >100kPa, although not yet comparable to current sensors. These advancements highlight the diverse approaches being explored to enhance the performance and applications of poly-silicon-based piezoresistive pressure sensors.How does chemical vapor growth of graphene work?
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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.