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Ogbebor J, Valenza JJ, Ravikovitch PI, Karunarathne A, Muraro G, Lebedev M, Gurevich B, Khalizov AF, Gor GY. Ultrasonic study of water adsorbed in nanoporous glasses. Phys Rev E 2023; 108:024802. [PMID: 37723796 DOI: 10.1103/physreve.108.024802] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Accepted: 07/10/2023] [Indexed: 09/20/2023]
Abstract
Thermodynamic properties of fluids confined in nanopores differ from those observed in the bulk. To investigate the effect of nanoconfinement on water compressibility, we perform water sorption experiments on two nanoporous glass samples while concomitantly measuring the speed of longitudinal and shear ultrasonic waves in these samples. These measurements yield the longitudinal and shear moduli of the water-laden nanoporous glass as a function of relative humidity that we utilize in the Gassmann theory to infer the bulk modulus of the confined water. This analysis shows that the bulk modulus (inverse of compressibility) of confined water is noticeably higher than that of the bulk water at the same temperature. Moreover, the modulus exhibits a linear dependence on the Laplace pressure. The results for water, which is a polar fluid, agree with previous experimental and numerical data reported for nonpolar fluids. This similarity suggests that irrespective of intermolecular forces, confined fluids are stiffer than bulk fluids. Accounting for fluid stiffening in nanopores may be important for accurate interpretation of wave propagation measurements in fluid-filled nanoporous media, including in petrophysics, catalysis, and other applications, such as in porous materials characterization.
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Affiliation(s)
- Jason Ogbebor
- Otto H. York Department of Chemical and Materials Engineering, New Jersey Institute of Technology, 323 Dr. Martin Luther King Jr. Boulevard, Newark, New Jersey 07102, USA
| | - John J Valenza
- Research Division, ExxonMobil Technology and Engineering Co., 1545 Route 22 East, Annandale, New Jersey 08801, USA
| | - Peter I Ravikovitch
- Research Division, ExxonMobil Technology and Engineering Co., 1545 Route 22 East, Annandale, New Jersey 08801, USA
| | - Ashoka Karunarathne
- Otto H. York Department of Chemical and Materials Engineering, New Jersey Institute of Technology, 323 Dr. Martin Luther King Jr. Boulevard, Newark, New Jersey 07102, USA
| | - Giovanni Muraro
- Research Division, ExxonMobil Technology and Engineering Co., 1545 Route 22 East, Annandale, New Jersey 08801, USA
| | - Maxim Lebedev
- Center for Exploration Geophysics, Curtin University, 26 Dick Perry Avenue, Kensington, Western Australia 6151, Australia
- Centre for Sustainable Energy and Resources, Edith Cowan University, 270 Joondalup Drive, Joondalup, Western Australia 6027, Australia
| | - Boris Gurevich
- Center for Exploration Geophysics, Curtin University, 26 Dick Perry Avenue, Kensington, Western Australia 6151, Australia
| | - Alexei F Khalizov
- Otto H. York Department of Chemical and Materials Engineering, New Jersey Institute of Technology, 323 Dr. Martin Luther King Jr. Boulevard, Newark, New Jersey 07102, USA
- Department of Chemistry and Environmental Science, New Jersey Institute of Technology, 323 Dr. Martin Luther King Jr. Boulevard, Newark, New Jersey 07102, USA
| | - Gennady Y Gor
- Otto H. York Department of Chemical and Materials Engineering, New Jersey Institute of Technology, 323 Dr. Martin Luther King Jr. Boulevard, Newark, New Jersey 07102, USA
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2
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Wu S, Li Z, Zhang C, Lv G, Zhou P. Nanohydrodynamic Model and Transport Mechanisms of Tight Oil Confined in Nanopores Considering Liquid–Solid Molecular Interaction Effect. Ind Eng Chem Res 2021. [DOI: 10.1021/acs.iecr.1c03615] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Shouya Wu
- Key Laboratory of In-situ Property-improving Mining of Ministry of Education, Taiyuan University of Technology, Taiyuan, Shanxi 030024, China
| | - Zhaomin Li
- School of Petroleum Engineering, China University of Petroleum (East China), Qingdao 266580, China
| | - Chao Zhang
- School of Petroleum Engineering, China University of Petroleum (East China), Qingdao 266580, China
| | - Guangzhong Lv
- Geoscience Institute, SINOPEC Shengli Oilfield Company, Dongying 257061, China
| | - Peng Zhou
- China National Oil and Gas Exploration and Development Ltd. Corporation, Beijing 10034, China
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3
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Tinti A, Camisasca G, Giacomello A. Structure and dynamics of water confined in cylindrical nanopores with varying hydrophobicity. PHILOSOPHICAL TRANSACTIONS. SERIES A, MATHEMATICAL, PHYSICAL, AND ENGINEERING SCIENCES 2021; 379:20200403. [PMID: 34455842 PMCID: PMC8403978 DOI: 10.1098/rsta.2020.0403] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 05/18/2021] [Indexed: 06/11/2023]
Abstract
We report a detailed study of the main structural and dynamical features of water confined in model Lennard-Jones nanopores with tunable hydrophobicity and finite length ([Formula: see text] Å). The generic model of cylindrical confinement used is able to reproduce the wetting features of a large class of technologically and biologically relevant systems spanning from crystalline nanoporous materials, to mesoporous silica and ion channels. The aim of this work is to discuss the influence of parameters such as wall hydrophobicity, temperature, and pore size on the structural and dynamical features of confined water. Our simulation campaign confirmed the existence of a core domain in which water displays bulk-like structural features even in extreme ([Formula: see text] Å) confinement, while dynamical properties were shown to depend non-trivially on the size and hydrophobicity of the pores. This article is part of the theme issue 'Progress in mesoscale methods for fluid dynamics simulation'.
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Affiliation(s)
- Antonio Tinti
- Dipartimento di Ingegneria Meccanica e Aerospaziale, Sapienza Università di Roma, Rome, Italy
| | - Gaia Camisasca
- Dipartimento di Matematica e Fisica, Università Roma Tre, Rome, Italy
| | - Alberto Giacomello
- Dipartimento di Ingegneria Meccanica e Aerospaziale, Sapienza Università di Roma, Rome, Italy
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4
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Díaz D, Nickel O, Moraga N, Catalán RE, Retamal MJ, Zelada H, Cisternas M, Meißner R, Huber P, Corrales TP, Volkmann UG. How water wets and self-hydrophilizes nanopatterns of physisorbed hydrocarbons. J Colloid Interface Sci 2021; 606:57-66. [PMID: 34388573 DOI: 10.1016/j.jcis.2021.07.121] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2021] [Revised: 07/22/2021] [Accepted: 07/23/2021] [Indexed: 11/26/2022]
Abstract
HYPOTHESIS Weakly bound, physisorbed hydrocarbons could in principle provide a similar water-repellency as obtained by chemisorption of strongly bound hydrophobic molecules at surfaces. EXPERIMENTS Here we present experiments and computer simulations on the wetting behaviour of water on molecularly thin, self-assembled alkane carpets of dotriacontane (n-C32H66 or C32) physisorbed on the hydrophilic native oxide layer of silicon surfaces during dip-coating from a binary alkane solution. By changing the dip-coating velocity we control the initial C32 surface coverage and achieve distinct film morphologies, encompassing homogeneous coatings with self-organised nanopatterns that range from dendritic nano-islands to stripes. FINDINGS These patterns exhibit a good water wettability even though the carpets are initially prepared with a high coverage of hydrophobic alkane molecules. Using in-liquid atomic force microscopy, along with molecular dynamics simulations, we trace this to a rearrangement of the alkane layers upon contact with water. This restructuring is correlated to the morphology of the C32 coatings, i.e. their fractal dimension. Water molecules displace to a large extent the first adsorbed alkane monolayer and thereby reduce the hydrophobic C32 surface coverage. Thus, our experiments evidence that water molecules can very effectively hydrophilize initially hydrophobic surfaces that consist of weakly bound hydrocarbon carpets.
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Affiliation(s)
- Diego Díaz
- Instituto de Física, Pontificia Universidad Católica de Chile, Santiago 7820436, Chile; Max Planck Institute for Polymer Research, Ackermannweg 10, D-55128 Mainz, Germany
| | - Ole Nickel
- Hamburg University of Technology, Institute of Polymers and Composites, 21073 Hamburg, Germany
| | - Nicolás Moraga
- Instituto de Física, Pontificia Universidad Católica de Chile, Santiago 7820436, Chile
| | - Rodrigo E Catalán
- Instituto de Física, Pontificia Universidad Católica de Chile, Santiago 7820436, Chile
| | - María José Retamal
- Instituto de Física, Pontificia Universidad Católica de Chile, Santiago 7820436, Chile
| | - Hugo Zelada
- Instituto de Física, Pontificia Universidad Católica de Chile, Santiago 7820436, Chile
| | - Marcelo Cisternas
- Instituto de Física, Pontificia Universidad Católica de Chile, Santiago 7820436, Chile
| | - Robert Meißner
- Hamburg University of Technology, Institute of Polymers and Composites, 21073 Hamburg, Germany; Helmholtz-Zentrum Hereon, Institute of Surface Science, 21494 Geesthacht, Germany
| | - Patrick Huber
- Hamburg University of Technology, Institute for Materials and X-Ray Physics, 21073 Hamburg, Germany; Deutsches Elektronen-Synchrotron DESY, Centre for X-Ray and Nano Science CXNS, 22603 Hamburg, Germany; University of Hamburg, Centre for Hybrid Nanostructures CHyN, 22607 Hamburg, Germany.
| | - Tomas P Corrales
- Departamento de Física, Universidad Técnica Federico Santa María, Valparaiso 2390123, Chile.
| | - Ulrich G Volkmann
- Instituto de Física, Pontificia Universidad Católica de Chile, Santiago 7820436, Chile; Centro de Investigación en Nanotecnología y Materiales Avanzados (CIEN-UC), Pontificia Universidad Católica de Chile, Santiago 7820436, Chile.
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5
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Hossain JA, Kim B. Scale Effect on Simple Liquid Transport through a Nanoporous Graphene Membrane. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2021; 37:6498-6509. [PMID: 34018744 DOI: 10.1021/acs.langmuir.1c00643] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
The transport mechanism of a simple liquid through nanoporous graphene membranes (NPGMs) with pores of various diameters has been explored by utilizing nonequilibrium molecular dynamics (NEMD) simulation. The flow is initiated using a pressure-driven flow mechanism that moves the specular reflection wall at a constant velocity. Both the local density peak near the membrane and the pressure drop are dependent on the pore diameter. For accurate calculation of the velocity profile inside the nanopore, we implemented three boundary approaches and local nanoscale variants to see the effect of these factors on the nature of the nanoscale flow. We found an optimized definition of the pore boundary, which minimizes the deviation between MD results and slip-viscosity-modified Sampson's prediction for nanopores of various diameters. Additionally, we observed that with decreasing pore size, the pore center velocity increases, as does the slip velocity, which we attributed to van der Waals interaction between the liquid and wall atoms inside the nanopore. However, the effects of slip velocity, interfacial viscosity, and pore boundary decay exponentially with increasing pore diameter because of the dominance of van der Waals repulsive forces at the molecular level.
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Affiliation(s)
- Jaber Al Hossain
- School of Mechanical Engineering, University of Ulsan, Daehak-ro 93, Nam-gu, Ulsan 680-749, South Korea
| | - BoHung Kim
- School of Mechanical Engineering, University of Ulsan, Daehak-ro 93, Nam-gu, Ulsan 680-749, South Korea
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6
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Zhang J, Song H, Zhu W, Wang J. Liquid Transport Through Nanoscale Porous Media with Strong Wettability. Transp Porous Media 2021. [DOI: 10.1007/s11242-020-01519-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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7
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Zhang T, Javadpour F, Li X, Wu K, Li J, Yin Y. Mesoscopic method to study water flow in nanochannels with different wettability. Phys Rev E 2020; 102:013306. [PMID: 32794987 DOI: 10.1103/physreve.102.013306] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Accepted: 06/15/2020] [Indexed: 12/19/2022]
Abstract
Molecular dynamics (MD) simulations is currently the most popular and credible tool to model water flow in nanoscale where the conventional continuum equations break down due to the dominance of fluid-surface interactions. However, current MD simulations are computationally challenging for the water flow in complex tube geometries or a network of nanopores, e.g., membrane, shale matrix, and aquaporins. We present a novel mesoscopic lattice Boltzmann method (LBM) for capturing fluctuated density distribution and a nonparabolic velocity profile of water flow through nanochannels. We incorporated molecular interactions between water and the solid inner wall into LBM formulations. Details of the molecular interactions were translated into true and apparent slippage, which were both correlated to the surface wettability, e.g., contact angle. Our proposed LBM was tested against 47 published cases of water flow through infinite-length nanochannels made of different materials and dimensions-flow rates as high as seven orders of magnitude when compared with predictions of the classical no-slip Hagen-Poiseuille (HP) flow. Using the developed LBM model, we also studied water flow through finite-length nanochannels with tube entrance and exit effects. Results were found to be in good agreement with 44 published finite-length cases in the literature. The proposed LBM model is nearly as accurate as MD simulations for a nanochannel, while being computationally efficient enough to allow implications for much larger and more complex geometrical nanostructures.
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Affiliation(s)
- Tao Zhang
- Key Laboratory for Petroleum Engineering of the Ministry of Education, China University of Petroleum, Beijing 102249, China.,Bureau of Economic Geology, Jackson School of Geosciences, The University of Texas at Austin, University Station, Box X, Austin, Texas 78713, USA
| | - Farzam Javadpour
- Bureau of Economic Geology, Jackson School of Geosciences, The University of Texas at Austin, University Station, Box X, Austin, Texas 78713, USA
| | - Xiangfang Li
- Key Laboratory for Petroleum Engineering of the Ministry of Education, China University of Petroleum, Beijing 102249, China
| | - Keliu Wu
- Key Laboratory for Petroleum Engineering of the Ministry of Education, China University of Petroleum, Beijing 102249, China.,The Department of Chemical and Petroleum Engineering, University of Calgary, Alberta, Canada T2N1N4
| | - Jing Li
- The Department of Chemical and Petroleum Engineering, University of Calgary, Alberta, Canada T2N1N4
| | - Ying Yin
- MOE Key Laboratory of Thermo-Fluid Science and Engineering, School of Energy and Power Engineering, Xi'an Jiaotong University, Xi'an 710049, China
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8
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Shi W, Dalrymple RM, McKenny CJ, Morrow DS, Rashed ZT, Surinach DA, Boreyko JB. Passive water ascent in a tall, scalable synthetic tree. Sci Rep 2020; 10:230. [PMID: 31937824 PMCID: PMC6959229 DOI: 10.1038/s41598-019-57109-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Accepted: 12/19/2019] [Indexed: 11/09/2022] Open
Abstract
The transpiration cycle in trees is powered by a negative water potential generated within the leaves, which pumps water up a dense array of xylem conduits. Synthetic trees can mimic this transpiration cycle, but have been confined to pumping water across a single microcapillary or microfluidic channels. Here, we fabricated tall synthetic trees where water ascends up an array of large diameter conduits, to enable transpiration at the same macroscopic scale as natural trees. An array of 19 tubes of millimetric diameter were embedded inside of a nanoporous ceramic disk on one end, while their free end was submerged in a water reservoir. After saturating the synthetic tree by boiling it underwater, water can flow continuously up the tubes even when the ceramic disk was elevated over 3 m above the reservoir. A theory is developed to reveal two distinct modes of transpiration: an evaporation-limited regime and a flow-limited regime.
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Affiliation(s)
- Weiwei Shi
- Department of Biomedical Engineering and Mechanics, Virginia Tech, Blacksburg, Virginia, 24061, United States
| | - Richard M Dalrymple
- Department of Biomedical Engineering and Mechanics, Virginia Tech, Blacksburg, Virginia, 24061, United States
| | - Collin J McKenny
- Department of Biomedical Engineering and Mechanics, Virginia Tech, Blacksburg, Virginia, 24061, United States
| | - David S Morrow
- Department of Biomedical Engineering and Mechanics, Virginia Tech, Blacksburg, Virginia, 24061, United States
| | - Ziad T Rashed
- Department of Biomedical Engineering and Mechanics, Virginia Tech, Blacksburg, Virginia, 24061, United States
| | - Daniel A Surinach
- Department of Biomedical Engineering and Mechanics, Virginia Tech, Blacksburg, Virginia, 24061, United States
| | - Jonathan B Boreyko
- Department of Biomedical Engineering and Mechanics, Virginia Tech, Blacksburg, Virginia, 24061, United States.
- Department of Mechanical Engineering, Virginia Tech, Blacksburg, Virginia, 24061, United States.
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9
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Affiliation(s)
- Pierre Levitz
- PHENIX Laboratory, Sorbonne Université and CNRS, Paris, France
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10
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Shi W, Vieitez JR, Berrier AS, Roseveare MW, Surinach DA, Srijanto BR, Collier CP, Boreyko JB. Self-Stabilizing Transpiration in Synthetic Leaves. ACS APPLIED MATERIALS & INTERFACES 2019; 11:13768-13776. [PMID: 30912914 DOI: 10.1021/acsami.9b00041] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Over the past decade, synthetic trees have been engineered to mimic the transpiration cycle of natural plants, but the leaves are prone to dry out beneath a critical relative humidity. Here, we create large-area synthetic leaves whose transpiration process is remarkably stable over a wide range of humidities, even without synthetic stomatal chambers atop the nanopores of the leaf. While the water menisci cannot initially withstand the Kelvin stress of the subsaturated air, they self-stabilized by locally concentrating vapor within the top layers of nanopores that have dried up. Transpiration rates were found to vary nonmonotonically with the ambient humidity because of the tradeoff of dry air increasing the retreat length of the menisci. It is our hope that these findings will encourage the development of large-area synthetic trees that exhibit excellent stability and high throughput for water-harvesting applications.
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Affiliation(s)
| | | | | | | | | | - Bernadeta R Srijanto
- Center for Nanophase Materials Sciences , Oak Ridge National Laboratory , Oak Ridge , Tennessee 37831 , United States
| | - C Patrick Collier
- Center for Nanophase Materials Sciences , Oak Ridge National Laboratory , Oak Ridge , Tennessee 37831 , United States
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11
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Komatsu H, Cook CA, Gonzalez N, Medrano L, Salgado M, Sui F, Li J, Kandeel F, Mullen Y, Tai YC. Oxygen transporter for the hypoxic transplantation site. Biofabrication 2018; 11:015011. [PMID: 30524058 PMCID: PMC9851375 DOI: 10.1088/1758-5090/aaf2f0] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Cell transplantation is a promising treatment for complementing lost function by replacing new cells with a desired function, e.g. pancreatic islet transplantation for diabetics. To prevent cell obliteration, oxygen supply is critical after transplantation, especially until the graft is sufficiently re-vascularized. To supply oxygen during this period, we developed a chemical-/electrical-free implantable oxygen transporter that delivers oxygen to the hypoxic graft site from ambient air by diffusion potential. This device is simply structured using a biocompatible silicone-based body that holds islets, connected to a tube that opens outside the body. In computational simulations, the oxygen transporter increased the oxygen level to >120 mmHg within grafts; in contrast, a control device that did not transport oxygen showed <6.5 mmHg. In vitro experiments demonstrated similar results. To test the effectiveness of the oxygen transporter in vivo, we transplanted pancreatic islets, which are susceptible to hypoxia, subcutaneously into diabetic rats. Islets transplanted using the oxygen transporter showed improved graft viability and cellular function over the control device. These results indicate that our oxygen transporter, which is safe and easily fabricated, effectively supplies oxygen locally. Such a device would be suitable for multiple clinical applications, including cell transplantations that require changing a hypoxic microenvironment into an oxygen-rich site.
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Affiliation(s)
- Hirotake Komatsu
- Department of Translational Research & Cellular Therapeutics, Beckman Research Institute of City of Hope, 1500 E. Duarte Rd., Duarte, CA 91010, USA.,Corresponding author: Hirotake Komatsu,
| | - Colin A. Cook
- Department of Electrical Engineering, California Institute of Technology, 1200 E. California Blvd., MC 136-93, Pasadena, CA 91125, USA
| | - Nelson Gonzalez
- Department of Translational Research & Cellular Therapeutics, Beckman Research Institute of City of Hope, 1500 E. Duarte Rd., Duarte, CA 91010, USA
| | - Leonard Medrano
- Department of Translational Research & Cellular Therapeutics, Beckman Research Institute of City of Hope, 1500 E. Duarte Rd., Duarte, CA 91010, USA
| | - Mayra Salgado
- Department of Translational Research & Cellular Therapeutics, Beckman Research Institute of City of Hope, 1500 E. Duarte Rd., Duarte, CA 91010, USA
| | - Feng Sui
- Department of Translational Research & Cellular Therapeutics, Beckman Research Institute of City of Hope, 1500 E. Duarte Rd., Duarte, CA 91010, USA
| | - Junfeng Li
- Department of Translational Research & Cellular Therapeutics, Beckman Research Institute of City of Hope, 1500 E. Duarte Rd., Duarte, CA 91010, USA
| | - Fouad Kandeel
- Department of Translational Research & Cellular Therapeutics, Beckman Research Institute of City of Hope, 1500 E. Duarte Rd., Duarte, CA 91010, USA
| | - Yoko Mullen
- Department of Translational Research & Cellular Therapeutics, Beckman Research Institute of City of Hope, 1500 E. Duarte Rd., Duarte, CA 91010, USA
| | - Yu-Chong Tai
- Department of Electrical Engineering, California Institute of Technology, 1200 E. California Blvd., MC 136-93, Pasadena, CA 91125, USA
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12
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Wiener CG, Qiang Z, Xia Y, Tyagi M, Vogt BD. Impact of surface wettability on dynamics of supercooled water confined in nitrogen-doped ordered mesoporous carbon. Phys Chem Chem Phys 2018; 20:28019-28025. [PMID: 30383049 DOI: 10.1039/c8cp05670f] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Confinement of water to nanoscale dimensions enables substantial supercooling through disruption of the hydrogen bonding network. However, there remain questions associated with the importance of the nature of the water-surface interactions relative to physical confinement defined by the pore geometry on the dynamics of supercooled water. Here, a simple route to tune the surface wetting properties through nitrogen doping of carbon is reported. This method leads to nearly indistinguishable mesopore sizes to enable separation of surface wettability and pore size effects. Quasielastic neutron scattering (QENS) is used to probe the proton dynamics of water confined within the mesopores with an average diameter of 4.85 ± 0.05 nm as a function of temperature from 267 K to 189 K. The motions of water in the mesopores follow jump-diffusion. For the temperatures examined, the diffusivity of water in the mesopores decreases with increasing nitrogen doping of the carbon framework. The activation energy associated with proton dynamics increases by approximately 30% with N-doping when compared to the undoped carbon surface, which is attributed to the enhanced surface wettability (favorable interactions between water and pore surface). This acts to provide an energy barrier for the water motions. This work suggests that the influence of surface chemistry on the dynamics of supercooled water confined in mesopores is less than the influence of nanopore size.
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Affiliation(s)
- Clinton G Wiener
- Department of Polymer Engineering, University of Akron, Akron, OH 44325, USA.
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13
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Jiao S, Zhou K, Wu M, Li C, Cao X, Zhang L, Xu Z. Confined Structures and Selective Mass Transport of Organic Liquids in Graphene Nanochannels. ACS APPLIED MATERIALS & INTERFACES 2018; 10:37014-37022. [PMID: 30286295 DOI: 10.1021/acsami.8b12871] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Selective transport of liquids is an important process in the energy and environment industry. The increased energy consumption and the demands of clean water and fossil fuels have urged the development of high-performance membrane technologies. Nanoscale channels with the critical size for molecular sieving and atomistically smooth walls for significant boundary slippage are highly promising to balance the tradeoff between permeability and selectivity. In this work, we explore the molecular structures and dynamics of organic solvents and water, which are confined within nanoscale two-dimensional galleries between graphene or graphene oxide sheets. Molecular dynamics simulation results show that the layered order and significant interfacial slippage are universal for all molecular liquids, leading to notable flow enhancement for channels with a width of few nanometers, in the order of ethylene glycol > butanol > ethanol > hexane > toluene > water > acetone. The extracted dependence of permeability, selectivity on the channel width, and properties of molecular liquids clarify the underlying mechanisms of selective mass transport in nanofluidics, which help to understand and control the filtration and separation processes of molecular liquids. The performance of graphene oxide membranes for permeation and filtration is finally discussed based on the calculated flow resistance for pressure-driven flow or molecular diffusivity for diffusive flow, as well as the solubility and wettability of membranes.
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Affiliation(s)
| | | | | | | | - Xulong Cao
- Exploration & Development Research Institute of Shengli Oilfield Co. Ltd, SINOPEC , Dongying 257015 , Shandong , China
| | - Lu Zhang
- Technical Institute of Physics and Chemistry , Chinese Academy of Sciences , Beijing 100190 , China
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14
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Capillarity-Driven Oil Flow in Nanopores: Darcy Scale Analysis of Lucas–Washburn Imbibition Dynamics. Transp Porous Media 2018. [DOI: 10.1007/s11242-018-1133-z] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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15
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Wu K, Chen Z, Li J, Xu J, Wang K, Wang S, Dong X, Zhu Z, Peng Y, Jia X, Li X. Manipulating the Flow of Nanoconfined Water by Temperature Stimulation. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201712915] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Keliu Wu
- Department of Chemical and Petroleum Engineering University of Calgary Alberta T2N 1N4 Canada
- School of Petroleum Engineering China University of Petroleum Beijing 102249 China
| | - Zhangxin Chen
- Department of Chemical and Petroleum Engineering University of Calgary Alberta T2N 1N4 Canada
- School of Petroleum Engineering China University of Petroleum Beijing 102249 China
| | - Jing Li
- Department of Chemical and Petroleum Engineering University of Calgary Alberta T2N 1N4 Canada
| | - Jinze Xu
- Department of Chemical and Petroleum Engineering University of Calgary Alberta T2N 1N4 Canada
| | - Kun Wang
- Department of Chemical and Petroleum Engineering University of Calgary Alberta T2N 1N4 Canada
| | - Shuhua Wang
- Department of Chemical and Petroleum Engineering University of Calgary Alberta T2N 1N4 Canada
| | - Xiaohu Dong
- School of Petroleum Engineering China University of Petroleum Beijing 102249 China
| | - Zhouyuan Zhu
- School of Petroleum Engineering China University of Petroleum Beijing 102249 China
| | - Yan Peng
- School of Petroleum Engineering China University of Petroleum Beijing 102249 China
| | - Xinfeng Jia
- School of Petroleum Engineering China University of Petroleum Beijing 102249 China
| | - Xiangfang Li
- School of Petroleum Engineering China University of Petroleum Beijing 102249 China
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16
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Wu K, Chen Z, Li J, Xu J, Wang K, Wang S, Dong X, Zhu Z, Peng Y, Jia X, Li X. Manipulating the Flow of Nanoconfined Water by Temperature Stimulation. Angew Chem Int Ed Engl 2018; 57:8432-8437. [PMID: 29726080 DOI: 10.1002/anie.201712915] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2017] [Revised: 04/01/2018] [Indexed: 11/08/2022]
Abstract
The manipulation of a nanoconfined fluid flow is a great challenge and is critical in both fundamental research and practical applications. Compared with chemical or biochemical stimulation, the use of temperature as controllable, physical stimulation possesses huge advantages, such as low cost, easy operation, reversibility, and no contamination. We demonstrate an elegant, simple strategy by which temperature stimulation can readily manipulate the nanoconfined water flow by tuning interfacial and viscous resistances. We show that with an increase in temperature, the water fluidity is decreased in hydrophilic nanopores, whereas it is enhanced by at least four orders of magnitude in hydrophobic nanopores, especially in carbon nanotubes with a controlled size and atomically smooth walls. We attribute these opposing trends to a dramatic difference in varying surface wettability that results from a small temperature variation.
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Affiliation(s)
- Keliu Wu
- Department of Chemical and Petroleum Engineering, University of Calgary, Alberta, T2N 1N4, Canada.,School of Petroleum Engineering, China University of Petroleum, Beijing, 102249, China
| | - Zhangxin Chen
- Department of Chemical and Petroleum Engineering, University of Calgary, Alberta, T2N 1N4, Canada.,School of Petroleum Engineering, China University of Petroleum, Beijing, 102249, China
| | - Jing Li
- Department of Chemical and Petroleum Engineering, University of Calgary, Alberta, T2N 1N4, Canada
| | - Jinze Xu
- Department of Chemical and Petroleum Engineering, University of Calgary, Alberta, T2N 1N4, Canada
| | - Kun Wang
- Department of Chemical and Petroleum Engineering, University of Calgary, Alberta, T2N 1N4, Canada
| | - Shuhua Wang
- Department of Chemical and Petroleum Engineering, University of Calgary, Alberta, T2N 1N4, Canada
| | - Xiaohu Dong
- School of Petroleum Engineering, China University of Petroleum, Beijing, 102249, China
| | - Zhouyuan Zhu
- School of Petroleum Engineering, China University of Petroleum, Beijing, 102249, China
| | - Yan Peng
- School of Petroleum Engineering, China University of Petroleum, Beijing, 102249, China
| | - Xinfeng Jia
- School of Petroleum Engineering, China University of Petroleum, Beijing, 102249, China
| | - Xiangfang Li
- School of Petroleum Engineering, China University of Petroleum, Beijing, 102249, China
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17
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Schenk HJ, Espino S, Rich-Cavazos SM, Jansen S. From the sap's perspective: The nature of vessel surfaces in angiosperm xylem. AMERICAN JOURNAL OF BOTANY 2018; 105:172-185. [PMID: 29578294 DOI: 10.1002/ajb2.1034] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/29/2017] [Accepted: 12/14/2017] [Indexed: 06/08/2023]
Abstract
PREMISE OF THE STUDY Xylem sap in angiosperms moves under negative pressure in conduits and cell wall pores that are nanometers to micrometers in diameter, so sap is always very close to surfaces. Surfaces matter for water transport because hydrophobic ones favor nucleation of bubbles, and surface chemistry can have strong effects on flow. Vessel walls contain cellulose, hemicellulose, lignin, pectins, proteins, and possibly lipids, but what is the nature of the inner, lumen-facing surface that is in contact with sap? METHODS Vessel lumen surfaces of five angiosperms from different lineages were examined via transmission electron microscopy and confocal and fluorescence microscopy, using fluorophores and autofluorescence to detect cell wall components. Elemental composition was studied by energy-dispersive X-ray spectroscopy, and treatments with phospholipase C (PLC) were used to test for phospholipids. KEY RESULTS Vessel surfaces consisted mainly of lignin, with strong cellulose signals confined to pit membranes. Proteins were found mainly in inter-vessel pits and pectins only on outer rims of pit membranes and in vessel-parenchyma pits. Continuous layers of lipids were detected on most vessel surfaces and on most pit membranes and were shown by PLC treatment to consist at least partly of phospholipids. CONCLUSIONS Vessel surfaces appear to be wettable because lignin is not strongly hydrophobic and a coating with amphiphilic lipids would render any surface hydrophilic. New questions arise about these lipids and their possible origins from living xylem cells, especially about their effects on surface tension, surface bubble nucleation, and pit membrane function.
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Affiliation(s)
- H Jochen Schenk
- Department of Biological Science, California State University Fullerton, Fullerton, CA 92831, USA
| | - Susana Espino
- Department of Biological Science, California State University Fullerton, Fullerton, CA 92831, USA
| | - Sarah M Rich-Cavazos
- Department of Biological Science, California State University Fullerton, Fullerton, CA 92831, USA
| | - Steven Jansen
- Institute of Systematic Botany and Ecology, Ulm University, Albert-Einstein-Allee 11, D-89081, Ulm, Germany
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18
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A Fractal Model for Gas–Water Relative Permeability in Inorganic Shale with Nanoscale Pores. Transp Porous Media 2018. [DOI: 10.1007/s11242-018-1006-5] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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19
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Kelly S, Torres-Verdín C, Balhoff MT. Influences of polarity and hydration cycles on imbibition hysteresis in silica nanochannels. Phys Chem Chem Phys 2018; 20:456-466. [DOI: 10.1039/c7cp05833k] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Liquid imbibition experiments in 2D silica nanochannels reveal insights into the impact of hydrophilicity and liquid polarity on the hydrodynamic “no slip” boundary condition and nanoscale imbibition behavior.
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Affiliation(s)
- Shaina Kelly
- Department of Petroleum and Geosystems Engineering, The University of Texas at Austin
- Austin
- USA
- Contribution from the Center for Nano- and Molecular Science
- The University of Texas at Austin
| | - Carlos Torres-Verdín
- Department of Petroleum and Geosystems Engineering, The University of Texas at Austin
- Austin
- USA
| | - Matthew T. Balhoff
- Department of Petroleum and Geosystems Engineering, The University of Texas at Austin
- Austin
- USA
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20
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Karna NK, Rojano Crisson A, Wagemann E, Walther JH, Zambrano HA. Effect of an external electric field on capillary filling of water in hydrophilic silica nanochannels. Phys Chem Chem Phys 2018; 20:18262-18270. [DOI: 10.1039/c8cp03186j] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Development of functional nanofluidic devices requires understanding the fundamentals of capillary driven flow in nanochannels.
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Affiliation(s)
- Nabin Kumar Karna
- Department of Chemical Engineering, Universidad de Concepcion
- Concepcion
- Chile
- Technology Development Unit
- Coronel
| | | | - Enrique Wagemann
- Department of Chemical Engineering, Universidad de Concepcion
- Concepcion
- Chile
| | - Jens H. Walther
- Technical University of Denmark
- Copenhagen
- Denmark
- Chair of Computational Science
- ETH Zurich
| | - Harvey A. Zambrano
- Department of Mechanical Engineering, Universidad Tecnica Federico Santa Maria
- Valparaiso
- Chile
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21
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Zhang T, Li X, Sun Z, Feng D, Miao Y, Li P, Zhang Z. An analytical model for relative permeability in water-wet nanoporous media. Chem Eng Sci 2017. [DOI: 10.1016/j.ces.2017.08.023] [Citation(s) in RCA: 101] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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22
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Grissa K, Chaabane R, Lataoui Z, Benselama A, Bertin Y, Jemni A. Lattice Boltzmann model for incompressible axisymmetric thermal flows through porous media. Phys Rev E 2016; 94:043306. [PMID: 27841484 DOI: 10.1103/physreve.94.043306] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2016] [Indexed: 11/07/2022]
Abstract
The present work proposes a simple lattice Boltzmann model for incompressible axisymmetric thermal flows through porous media. By incorporating forces and source terms into the lattice Boltzmann equation, the incompressible Navier-Stokes equations are recovered through the Chapman-Enskog expansion. It is found that the added terms are just the extra terms in the governing equations for the axisymmetric thermal flows through porous media compared with the Navier-Stokes equations. Four numerical simulations are performed to validate this model. Good agreement is obtained between the present work and the analytic solutions and/or the results of previous studies. This proves its efficacy and simplicity regarding other methods. Also, this approach provides guidance for problems with more physical phenomena and complicated force forms.
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Affiliation(s)
- Kods Grissa
- Laboratory of Thermal and Energetic Systems Studies (LESTE) at the National School of Engineering of Monastir, University of Monastir, Tunisia.,Institut PPRIME (UPR CNRS 3346), Dpartement Fluides-Thermique-Combustion, ENSMA, 1 av. Clment Ader e BP40109, 86961 Futuroscope-Chasseneuil, France
| | - Raoudha Chaabane
- Laboratory of Thermal and Energetic Systems Studies (LESTE) at the National School of Engineering of Monastir, University of Monastir, Tunisia
| | - Zied Lataoui
- Laboratory of Thermal and Energetic Systems Studies (LESTE) at the National School of Engineering of Monastir, University of Monastir, Tunisia
| | - Adel Benselama
- Institut PPRIME (UPR CNRS 3346), Dpartement Fluides-Thermique-Combustion, ENSMA, 1 av. Clment Ader e BP40109, 86961 Futuroscope-Chasseneuil, France
| | - Yves Bertin
- Institut PPRIME (UPR CNRS 3346), Dpartement Fluides-Thermique-Combustion, ENSMA, 1 av. Clment Ader e BP40109, 86961 Futuroscope-Chasseneuil, France
| | - Abdelmajid Jemni
- Laboratory of Thermal and Energetic Systems Studies (LESTE) at the National School of Engineering of Monastir, University of Monastir, Tunisia
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23
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Vo TQ, Kim B. Transport Phenomena of Water in Molecular Fluidic Channels. Sci Rep 2016; 6:33881. [PMID: 27650138 PMCID: PMC5030652 DOI: 10.1038/srep33881] [Citation(s) in RCA: 66] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2016] [Accepted: 09/05/2016] [Indexed: 11/09/2022] Open
Abstract
In molecular-level fluidic transport, where the discrete characteristics of a molecular system are not negligible (in contrast to a continuum description), the response of the molecular water system might still be similar to the continuum description if the time and ensemble averages satisfy the ergodic hypothesis and the scale of the average is enough to recover the classical thermodynamic properties. However, even in such cases, the continuum description breaks down on the material interfaces. In short, molecular-level liquid flows exhibit substantially different physics from classical fluid transport theories because of (i) the interface/surface force field, (ii) thermal/velocity slip, (iii) the discreteness of fluid molecules at the interface and (iv) local viscosity. Therefore, in this study, we present the result of our investigations using molecular dynamics (MD) simulations with continuum-based energy equations and check the validity and limitations of the continuum hypothesis. Our study shows that when the continuum description is subjected to the proper treatment of the interface effects via modified boundary conditions, the so-called continuum-based modified-analytical solutions, they can adequately predict nanoscale fluid transport phenomena. The findings in this work have broad effects in overcoming current limitations in modeling/predicting the fluid behaviors of molecular fluidic devices.
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Affiliation(s)
- Truong Quoc Vo
- School of Mechanical Engineering, University of Ulsan, Daehak-ro 93, Namgu, Ulsan 680-749, South Korea
| | - BoHung Kim
- School of Mechanical Engineering, University of Ulsan, Daehak-ro 93, Namgu, Ulsan 680-749, South Korea
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24
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Gor GY, Bernstein N. Adsorption-Induced Surface Stresses of the Water/Quartz Interface: Ab Initio Molecular Dynamics Study. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2016; 32:5259-5266. [PMID: 27159032 DOI: 10.1021/acs.langmuir.6b00923] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Adsorption-induced deformation is expansion or contraction of a solid due to adsorption on its surface. This phenomenon is important for a wide range of applications, from chemomechanical sensors to methane recovery from geological formations. The strain of the solid is driven by the change of the surface stress due to adsorption. Using ab initio molecular dynamics, we calculate the surface stresses for the dry α-quartz surfaces, and investigate how these stresses change when the surfaces are exposed to water. We find that the nonhydroxylated surface shows small and approximately isotropic changes in stress, while the hydroxylated surface, which interacts more strongly with the polar water molecules, shows larger and qualitatively anisotropic (opposite sign in xx and yy) surface stress changes. All of these changes are several times larger than the surface tension of water itself. The anisotropy and possibility of positive surface stress change can explain experimentally observed surface area contraction due to adsorption.
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Affiliation(s)
- Gennady Y Gor
- NRC Research Associate, Resident at Center for Materials Physics and Technology, and ‡Center for Materials Physics and Technology, Naval Research Laboratory , Washington D.C. 20375, United States
| | - Noam Bernstein
- NRC Research Associate, Resident at Center for Materials Physics and Technology, and ‡Center for Materials Physics and Technology, Naval Research Laboratory , Washington D.C. 20375, United States
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