1
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Merchiori S, Le Donne A, Littlefair JD, Lowe AR, Yu JJ, Wu XD, Li M, Li D, Geppert-Rybczyńska M, Scheller L, Trump BA, Yakovenko AA, Zajdel P, Chorążewski M, Grosu Y, Meloni S. Mild-Temperature Supercritical Water Confined in Hydrophobic Metal-Organic Frameworks. J Am Chem Soc 2024; 146:13236-13246. [PMID: 38701635 PMCID: PMC11099966 DOI: 10.1021/jacs.4c01226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Revised: 04/19/2024] [Accepted: 04/22/2024] [Indexed: 05/05/2024]
Abstract
Fluids under extreme confinement show characteristics significantly different from those of their bulk counterpart. This work focuses on water confined within the complex cavities of highly hydrophobic metal-organic frameworks (MOFs) at high pressures. A combination of high-pressure intrusion-extrusion experiments with molecular dynamic simulations and synchrotron data reveals that supercritical transition for MOF-confined water takes place at a much lower temperature than in bulk water, ∼250 K below the reference values. This large shifting of the critical temperature (Tc) is attributed to the very large density of confined water vapor in the peculiar geometry and chemistry of the cavities of Cu2tebpz (tebpz = 3,3',5,5'-tetraethyl-4,4'-bipyrazolate) hydrophobic MOF. This is the first time the shift of Tc is investigated for water confined within highly hydrophobic nanoporous materials, which explains why such a large reduction of the critical temperature was never reported before, neither experimentally nor computationally.
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Affiliation(s)
- Sebastiano Merchiori
- Department
of Chemical, Pharmaceutical and Agricultural Sciences, University of Ferrara, 44121 Ferrara, Italy
| | - Andrea Le Donne
- Department
of Chemical, Pharmaceutical and Agricultural Sciences, University of Ferrara, 44121 Ferrara, Italy
| | - Josh D. Littlefair
- Department
of Chemical, Pharmaceutical and Agricultural Sciences, University of Ferrara, 44121 Ferrara, Italy
| | | | - Jiang-Jing Yu
- College
of Chemistry and Chemical Engineering, and Chemistry and Chemical
Engineering Guangdong Laboratory, Shantou
University, Guangdong 515063, China
| | - Xu-Dong Wu
- College
of Chemistry and Chemical Engineering, and Chemistry and Chemical
Engineering Guangdong Laboratory, Shantou
University, Guangdong 515063, China
| | - Mian Li
- College
of Chemistry and Chemical Engineering, and Chemistry and Chemical
Engineering Guangdong Laboratory, Shantou
University, Guangdong 515063, China
| | - Dan Li
- College
of Chemistry and Materials Science, Jinan
University, Guangzhou 510632, China
| | | | - Lukasz Scheller
- Institute
of Physics, University of Silesia, 41-500 Chorzów, Poland
| | - Benjamin A. Trump
- NIST
Center for Neutron Research, National Institute
of Standards and Technology, Gaithersburg, Maryland 20899, United States
| | - Andrey A. Yakovenko
- X-ray
Science Division, Advanced Photon Source, Argonne National Laboratory, Argonne, Illinois 60439, United States
| | - Paweł Zajdel
- Institute
of Physics, University of Silesia, 41-500 Chorzów, Poland
| | - Mirosław Chorążewski
- Institute
of Chemistry, University of Silesia, Szkolna 9, 40-006 Katowice, Poland
| | - Yaroslav Grosu
- Institute
of Chemistry, University of Silesia, Szkolna 9, 40-006 Katowice, Poland
- Centre for
Cooperative Research on Alternative Energies (CIC energiGUNE), Basque Research and Technology Alliance (BRTA), 01510 Vitoria-Gasteiz, Spain
| | - Simone Meloni
- Department
of Chemical, Pharmaceutical and Agricultural Sciences, University of Ferrara, 44121 Ferrara, Italy
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2
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Johnson LJW, Paulo G, Bartolomé L, Amayuelas E, Gubbiotti A, Mirani D, Le Donne A, López GA, Grancini G, Zajdel P, Meloni S, Giacomello A, Grosu Y. Optimization of the wetting-drying characteristics of hydrophobic metal organic frameworks via crystallite size: The role of hydrogen bonding between intruded and bulk liquid. J Colloid Interface Sci 2023; 645:775-783. [PMID: 37172487 DOI: 10.1016/j.jcis.2023.04.059] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Revised: 03/31/2023] [Accepted: 04/13/2023] [Indexed: 05/15/2023]
Abstract
HYPOTHESIS The behavior of Heterogeneous Lyophobic Systems (HLSs) comprised of a lyophobic porous material and a corresponding non-wetting liquid is affected by a variety of different structural parameters of the porous material. Dependence on exogenic properties such as crystallite size is desirable for system tuning as they are much more facilely modified. We explore the dependence of intrusion pressure and intruded volume on crystallite size, testing the hypothesis that the connection between internal cavities and bulk water facilitates intrusion via hydrogen bonding, a phenomenon that is magnified in smaller crystallites with a larger surface/volume ratio. EXPERIMENTS Water intrusion/extrusion pressures and intrusion volume were experimentally measured for ZIF-8 samples of various crystallite sizes and compared to previously reported values. Alongside the practical research, molecular dynamics simulations and stochastic modeling were performed to illustrate the effect of crystallite size on the properties of the HLSs and uncover the important role of hydrogen bonding within this phenomenon. FINDINGS A reduction in crystallite size led to a significant decrease of intrusion and extrusion pressures below 100 nm. Simulations indicate that this behavior is due to a greater number of cages being in proximity to bulk water for smaller crystallites, allowing cross-cage hydrogen bonds to stabilize the intruded state and lower the threshold pressure of intrusion and extrusion. This is accompanied by a reduction in the overall intruded volume. Simulations demonstrate that this phenomenon is linked to ZIF-8 surface half-cages exposed to water being occupied by water due to non-trivial termination of the crystallites, even at atmospheric pressure.
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Affiliation(s)
- Liam J W Johnson
- Centre for Cooperative Research on Alternative Energies (CIC energiGUNE), Basque Research and Technology Alliance (BRTA), Calle Albert Einstein, 48, Vitoria-Gasteiz, 01510, Araba/Alava, Spain; Department of Physics, Faculty of Science and Technology, University of the Basque Country (UPV/EHU), Barrio Sarriena s/n, Bilbao, 48490, Leioa, Spain
| | - Gonçalo Paulo
- Dipartimento di Ingegneria Meccanica e Aerospaziale, Sapienza Università di Roma, Roma, Italy
| | - Luis Bartolomé
- Centre for Cooperative Research on Alternative Energies (CIC energiGUNE), Basque Research and Technology Alliance (BRTA), Calle Albert Einstein, 48, Vitoria-Gasteiz, 01510, Araba/Alava, Spain
| | - Eder Amayuelas
- Centre for Cooperative Research on Alternative Energies (CIC energiGUNE), Basque Research and Technology Alliance (BRTA), Calle Albert Einstein, 48, Vitoria-Gasteiz, 01510, Araba/Alava, Spain
| | - Alberto Gubbiotti
- Dipartimento di Ingegneria Meccanica e Aerospaziale, Sapienza Università di Roma, Roma, Italy
| | - Diego Mirani
- Department of Chemistry & INSTM University of Pavia, Via Taramelli 14, Pavia, I-27100, Italy
| | - Andrea Le Donne
- Dipartimento di Scienze Chimiche e Farmaceutiche (DipSCF), Università degli Studi di Ferrara (Unife) Via Luigi Borsari 46, Ferrara, I-44121, Italy
| | - Gabriel A López
- Department of Physics, Faculty of Science and Technology, University of the Basque Country (UPV/EHU), Barrio Sarriena s/n, Bilbao, 48490, Leioa, Spain
| | - Giulia Grancini
- Department of Chemistry & INSTM University of Pavia, Via Taramelli 14, Pavia, I-27100, Italy
| | - Paweł Zajdel
- Institute of Physics, University of Silesia, 75 Pulku Piechoty 1, Chorzow, 41-500, Poland
| | - Simone Meloni
- Dipartimento di Scienze Chimiche e Farmaceutiche (DipSCF), Università degli Studi di Ferrara (Unife) Via Luigi Borsari 46, Ferrara, I-44121, Italy.
| | - Alberto Giacomello
- Dipartimento di Ingegneria Meccanica e Aerospaziale, Sapienza Università di Roma, Roma, Italy.
| | - Yaroslav Grosu
- Centre for Cooperative Research on Alternative Energies (CIC energiGUNE), Basque Research and Technology Alliance (BRTA), Calle Albert Einstein, 48, Vitoria-Gasteiz, 01510, Araba/Alava, Spain; Institute of Chemistry, University of Silesia, Szkolna 9, Katowice, 40-006, Poland.
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3
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Tinti A, Giacomello A, Meloni S, Casciola CM. Classical nucleation of vapor between hydrophobic plates. J Chem Phys 2023; 158:134708. [PMID: 37031130 DOI: 10.1063/5.0140736] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/05/2023] Open
Abstract
In this work, an extended classical nucleation theory (CNT), including line tension, is used to disentangle classical and non-classical effects in the nucleation of vapor from a liquid confined between two hydrophobic plates at a nanometer distance. The proposed approach allowed us to gauge, from the available simulation work, the importance of elusive nanoscale effects, such as line tension and non-classical modifications of the nucleation mechanism. Surprisingly, the purely macroscopic theory is found to be in quantitative accord with the microscopic data, even for plate distances as small as 2 nm, whereas in extreme confinement ([Formula: see text] nm), the CNT approximations proved to be unsatisfactory. These results suggest how classical nucleation theory still offers a computationally inexpensive and predictive tool useful in all domains where nanoconfined evaporation occurs—including nanotechnology, surface science, and biology.
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Affiliation(s)
- Antonio Tinti
- Dipartimento di Ingegneria Meccanica e Aerospaziale, Sapienza Università di Roma, 00184 Rome, Italy
| | - Alberto Giacomello
- Dipartimento di Ingegneria Meccanica e Aerospaziale, Sapienza Università di Roma, 00184 Rome, Italy
| | - Simone Meloni
- Dipartimento di Scienze Chimiche e Farmaceutiche, Universitá degli Studi di Ferrara, 44121 Ferrara, Italy
| | - Carlo Massimo Casciola
- Dipartimento di Ingegneria Meccanica e Aerospaziale, Sapienza Università di Roma, 00184 Rome, Italy
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4
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Zajdel P, Madden DG, Babu R, Tortora M, Mirani D, Tsyrin NN, Bartolomé L, Amayuelas E, Fairen-Jimenez D, Lowe AR, Chorążewski M, Leao JB, Brown CM, Bleuel M, Stoudenets V, Casciola CM, Echeverría M, Bonilla F, Grancini G, Meloni S, Grosu Y. Turning Molecular Springs into Nano-Shock Absorbers: The Effect of Macroscopic Morphology and Crystal Size on the Dynamic Hysteresis of Water Intrusion-Extrusion into-from Hydrophobic Nanopores. ACS APPLIED MATERIALS & INTERFACES 2022; 14:26699-26713. [PMID: 35656844 PMCID: PMC9204699 DOI: 10.1021/acsami.2c04314] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Accepted: 05/23/2022] [Indexed: 05/27/2023]
Abstract
Controlling the pressure at which liquids intrude (wet) and extrude (dry) a nanopore is of paramount importance for a broad range of applications, such as energy conversion, catalysis, chromatography, separation, ionic channels, and many more. To tune these characteristics, one typically acts on the chemical nature of the system or pore size. In this work, we propose an alternative route for controlling both intrusion and extrusion pressures via proper arrangement of the grains of the nanoporous material. To prove the concept, dynamic intrusion-extrusion cycles for powdered and monolithic ZIF-8 metal-organic framework were conducted by means of water porosimetry and in operando neutron scattering. We report a drastic increase in intrusion-extrusion dynamic hysteresis when going from a fine powder to a dense monolith configuration, transforming an intermediate performance of the ZIF-8 + water system (poor molecular spring) into a desirable shock-absorber with more than 1 order of magnitude enhancement of dissipated energy per cycle. The obtained results are supported by MD simulations and pave the way for an alternative methodology of tuning intrusion-extrusion pressure using a macroscopic arrangement of nanoporous material.
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Affiliation(s)
- Paweł Zajdel
- Institute
of Physics, University of Silesia in Katowice, 75 Pulku Piechoty 1, 41-500 Chorzow, Poland
| | - David G. Madden
- The
Adsorption & Advanced Materials Laboratory (AML),
Department of Chemical Engineering & Biotechnology, University of Cambridge, Philippa Fawcett Drive, Cambridge CB3 0AS, U.K.
| | - Robin Babu
- The
Adsorption & Advanced Materials Laboratory (AML),
Department of Chemical Engineering & Biotechnology, University of Cambridge, Philippa Fawcett Drive, Cambridge CB3 0AS, U.K.
| | - Marco Tortora
- Dipartimento
di Ingegneria Meccanica e Aerospaziale, Sapienza Università di Roma, via Eudossiana 18, 00184 Rome, Italy
| | - Diego Mirani
- Department
of Chemistry & INSTM University of Pavia, Via Taramelli 14, Pavia I-27100, Italy
| | - Nikolay Nikolaevich Tsyrin
- Laboratory
of Thermomolecular Energetics, National
Technical University of Ukraine “Igor Sikorsky Kyiv Polytechnic
Institute”, Pr.
Peremogy 37, 03056 Kyiv, Ukraine
| | - Luis Bartolomé
- Centre for
Cooperative Research on Alternative Energies (CIC energiGUNE), Basque Research and Technology Alliance (BRTA), Albert Einstein 48, 01510 Vitoria-Gasteiz, Spain
| | - Eder Amayuelas
- Centre for
Cooperative Research on Alternative Energies (CIC energiGUNE), Basque Research and Technology Alliance (BRTA), Albert Einstein 48, 01510 Vitoria-Gasteiz, Spain
| | - David Fairen-Jimenez
- The
Adsorption & Advanced Materials Laboratory (AML),
Department of Chemical Engineering & Biotechnology, University of Cambridge, Philippa Fawcett Drive, Cambridge CB3 0AS, U.K.
| | - Alexander Rowland Lowe
- Institute
of Chemistry, University of Silesia in Katowice, Szkolna 9, 40-006 Katowice, Poland
| | - Mirosław Chorążewski
- Institute
of Chemistry, University of Silesia in Katowice, Szkolna 9, 40-006 Katowice, Poland
| | - Juscelino B. Leao
- NIST
Center for Neutron Research, National Institute
of Standards and Technology, Gaithersburg, Maryland 20899, United States
| | - Craig M. Brown
- NIST
Center for Neutron Research, National Institute
of Standards and Technology, Gaithersburg, Maryland 20899, United States
- Chemical
and Biochemical Department, University of
Delaware, Newark, Delaware 19716, United
States
| | - Markus Bleuel
- NIST
Center for Neutron Research, National Institute
of Standards and Technology, Gaithersburg, Maryland 20899, United States
- Department
of Materials Science and Engineering, University
of Maryland, College Park, Maryland 20742-2115, United States
| | - Victor Stoudenets
- Laboratory
of Thermomolecular Energetics, National
Technical University of Ukraine “Igor Sikorsky Kyiv Polytechnic
Institute”, Pr.
Peremogy 37, 03056 Kyiv, Ukraine
| | - Carlo Massimo Casciola
- Dipartimento
di Ingegneria Meccanica e Aerospaziale, Sapienza Università di Roma, via Eudossiana 18, 00184 Rome, Italy
| | - María Echeverría
- Centre for
Cooperative Research on Alternative Energies (CIC energiGUNE), Basque Research and Technology Alliance (BRTA), Albert Einstein 48, 01510 Vitoria-Gasteiz, Spain
| | - Francisco Bonilla
- Centre for
Cooperative Research on Alternative Energies (CIC energiGUNE), Basque Research and Technology Alliance (BRTA), Albert Einstein 48, 01510 Vitoria-Gasteiz, Spain
| | - Giulia Grancini
- Department
of Chemistry & INSTM University of Pavia, Via Taramelli 14, Pavia I-27100, Italy
| | - Simone Meloni
- Dipartimento di Scienze Chimiche e Farmaceutiche
(DipSCF), Università degli Studi
di Ferrara (Unife), Via
Luigi Borsari 46, I-44121 Ferrara, Italy
| | - Yaroslav Grosu
- Centre for
Cooperative Research on Alternative Energies (CIC energiGUNE), Basque Research and Technology Alliance (BRTA), Albert Einstein 48, 01510 Vitoria-Gasteiz, Spain
- Institute
of Chemistry, University of Silesia in Katowice, Szkolna 9, 40-006 Katowice, Poland
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5
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One-step efficient separation of heavy/light oils, dyes and water by simple filtration with a 3D architecture of functional mesh and sisal fiber felt. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.120461] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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6
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Bushuev YG, Grosu Y, Chora̧żewski M, Meloni S. Subnanometer Topological Tuning of the Liquid Intrusion/Extrusion Characteristics of Hydrophobic Micropores. NANO LETTERS 2022; 22:2164-2169. [PMID: 35258978 PMCID: PMC8949755 DOI: 10.1021/acs.nanolett.1c02140] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Revised: 02/17/2022] [Indexed: 05/27/2023]
Abstract
Intrusion (wetting)/extrusion (drying) of liquids in/from lyophobic nanoporous systems is key in many fields, including chromatography, nanofluidics, biology, and energy materials. Here we demonstrate that secondary topological features decorating main channels of porous systems dramatically affect the intrusion/extrusion cycle. These secondary features, allowing an unexpected bridging with liquid in the surrounding domains, stabilize the water stream intruding a micropore. This reduces the intrusion/extrusion barrier and the corresponding pressures without altering other properties of the system. Tuning the intrusion/extrusion pressures via subnanometric topological features represents a yet unexplored strategy for designing hydrophobic micropores. Though energy is not the only field of application, here we show that the proposed tuning approach may bring 20-75 MPa of intrusion/extrusion pressure increase, expanding the applicability of hydrophobic microporous materials.
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Affiliation(s)
- Yuriy G. Bushuev
- Institute
of Chemistry, University of Silesia in Katowice, Szkolna 9 Street, 40-006 Katowice, Poland
| | - Yaroslav Grosu
- Centre for
Cooperative Research on Alternative Energies (CIC energiGUNE), Basque
Research and Technology Alliance (BRTA), Alava Technology Park, Albert Einstein 48, 01510 Vitoria-Gasteiz, Spain
| | - Mirosław
A. Chora̧żewski
- Institute
of Chemistry, University of Silesia in Katowice, Szkolna 9 Street, 40-006 Katowice, Poland
| | - Simone Meloni
- Dipartimento
di Scienze Chimiche, Farmaceutiche ed Agrarie (DOCPAS), Università degli Studi di Ferrara (Unife), Via Luigi Borsari 46, I-44121 Ferrara, Italy
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7
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Bai L, Kim K, Ha MY, Ahn Y, Jang J. Molecular Insights on the Wetting Behavior of a Surface Corrugated with Nanoscale Domed Pillars. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2021; 37:9336-9345. [PMID: 34314174 DOI: 10.1021/acs.langmuir.0c03517] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Using all-atom molecular dynamics simulation, we investigated the wettability of a surface texturized with nanoscale pillars of domed, rectangular, or cylindrical shapes. The dewetted and wetted states of the gaps between the pillars were related to the Cassie-Baxter (CB) and Wenzel (WZ) states of a macroscopic water droplet resting on top of the pillars. We uncovered the structures and free energies of the intermediate states existing between the CB and WZ states. The contact line of the liquid-vapor-solid interface could not be depinned for the domed pillars due to their smooth curvatures unlike for the rectangular or cylindrical pillars. The liquid symmetrically penetrated down into the gap between the domed pillars by a liquid-vapor interface shape like a paraboloid, while the penetration for the rectangular or cylindrical pillars was often asymmetrical, giving a half-tubular liquid-vapor interface.
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Affiliation(s)
- Liyi Bai
- Department of Nanoenergy Engineering, Pusan National University, Busan 46241, Republic of Korea
| | - Kiduk Kim
- Department of Nanoenergy Engineering, Pusan National University, Busan 46241, Republic of Korea
| | - Man Yeong Ha
- School of Mechanical Engineering, Pusan National University, Busan 46241, Republic of Korea
| | - Yoonho Ahn
- School of Liberal Arts, Korea University of Technology and Education, Cheonan 31253, Republic of Korea
| | - Joonkyung Jang
- Department of Nanoenergy Engineering, Pusan National University, Busan 46241, Republic of Korea
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8
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Wang P, He L, Sun X, Lv H, Wang Z. Influence of Trapezoidal Cavity on the Wettability of Hydrophobic Surface: A Molecular Dynamics Study. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2021; 37:3575-3584. [PMID: 33725445 DOI: 10.1021/acs.langmuir.0c03470] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
In this study, the behaviors of water droplets on hydrophobic surfaces with different cavities are studied by molecular dynamics. Hydrophobic surfaces with different cavities are designed and simulated: trapezoidal cavity with the same lower width, upside down trapezoidal cavity with the same lower width, and so on. The results show that the influence of the upper width and the depth of the cavity on the contact state and contact angle is different for different trapezoidal cavities. For example, for the trapezoidal cavity with the same lower width, the upper width decreases with the increase of the cavity depth. In such a scenario, the upper width and depth of the cavity collectively promote the droplet transition into the Cassie state from the Wenzel state, but the effect of the upper width and depth on the contact angle is opposite, and the decrease of the upper width of the cavity is the dominant factor, which leads to a decrease in the contact angle. Then, we have built trapezoidal cavities with different base angles. The influence of different base angles on wettability is also discussed, and it is found that an increase in base angle can significantly delay the transition from Cassie state into the Wenzel state.
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Affiliation(s)
- Pengyu Wang
- College of Aerospace and Civil Engineering, Harbin Engineering University, Harbin 150001, China
| | - Liang He
- Avic Xi'An Aircraft Industry (Group) Company Ltd., Xi'an 710089, China
| | - Xiaokun Sun
- College of Aerospace and Civil Engineering, Harbin Engineering University, Harbin 150001, China
| | - Hongqing Lv
- College of Aerospace and Civil Engineering, Harbin Engineering University, Harbin 150001, China
| | - Zhenqing Wang
- College of Aerospace and Civil Engineering, Harbin Engineering University, Harbin 150001, China
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9
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Xu R, Zhao X, Wang L, Zhang C, Mao Y, Shi L, Zheng D. A minimum energy optimization approach for simulations of the droplet wetting modes using the cellular Potts model. RSC Adv 2021; 11:1875-1882. [PMID: 35424140 PMCID: PMC8693607 DOI: 10.1039/d0ra06535h] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Accepted: 12/05/2020] [Indexed: 01/31/2023] Open
Abstract
Wetting modes of a droplet on a periodical grooved surface were simulated by using the Cellular Potts Model (CPM). An optimization approach based on the Synthesis Minimum Energy (SME), which is defined as the lowest energy of the simulation system, was proposed for determining the droplet wetting modes. The influence of the fluctuation parameter (T) was discussed. The results showed that the SME optimization approach increased the accuracy of the wetting mode simulation. For the values of T used in the SME, an increase in the range of T and a decrease in the step size of T will not only cause an increase in the accuracy of the SME but also will cause an increase in the total consumption of calculation time and a decrease in the ability of accuracy improvement. A high value of the fluctuation parameter T generated the Cassie mode transition for the droplet. With an increase in the pillar height, the droplet wetting mode transited from Wenzel mode to Cassie mode, while it transited from Cassie mode to Wenzel mode with an increase in the interpillar distance.
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Affiliation(s)
- Ronghe Xu
- MIIT Key Laboratory of Aerospace Bearing Technology and Equipment, Harbin Institute of Technology Harbin 150001 China
| | - Xiaoli Zhao
- MIIT Key Laboratory of Aerospace Bearing Technology and Equipment, Harbin Institute of Technology Harbin 150001 China
| | - Liqin Wang
- MIIT Key Laboratory of Aerospace Bearing Technology and Equipment, Harbin Institute of Technology Harbin 150001 China .,State Key Laboratory of Robotics and System, Harbin Institute of Technology Harbin 150001 China
| | - Chuanwei Zhang
- MIIT Key Laboratory of Aerospace Bearing Technology and Equipment, Harbin Institute of Technology Harbin 150001 China
| | - Yuze Mao
- Shanghai Aerospace Control Technology Institute Shanghai 200000 China
| | - Lei Shi
- Shanghai Aerospace Control Technology Institute Shanghai 200000 China
| | - Dezhi Zheng
- MIIT Key Laboratory of Aerospace Bearing Technology and Equipment, Harbin Institute of Technology Harbin 150001 China
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10
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Shi S, Lv C, Zheng Q. Temperature-regulated adhesion of impacting drops on nano/microtextured monostable superrepellent surfaces. SOFT MATTER 2020; 16:5388-5397. [PMID: 32490478 DOI: 10.1039/d0sm00469c] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
The monostable Cassie state is a favorable wetting state for superhydrophobic materials, in which water drops can automatically transfer from the Wenzel wetting state to the Cassie wetting state, such that as a consequence the water repellency can be maintained. Drop impact phenomena are ubiquitous in nature and of critical importance in industry, and previous works show that the efficiency of self-cleaning and dropwise condensation could benefit from drop impact on monostable surfaces. However, whether such a feature is sufficiently robust remains unclear when the temperature of the surface is taken into consideration. Here, we report that there exists a lower bound of the temperature of the surface, under which a transition from the Cassie wetting state to the Wenzel wetting state arises. By varying the temperature of the surface, it is found that the solid-liquid wetting region could be regulated. Based on thermodynamics, we propose a model to predict the controllable wetting region, and we show that the gradual transition of the wetting state is a result of the accumulation of droplets on the nanoscale. Connections between the dynamics occurring at the solid-liquid interfaces on the microscale and the condensation occurring in the nanotextures are constructed. These results deepen our understanding of the breakdown of superhydrophobicity under dynamic impinging in high humidity. Moreover, this study will shed new light on the applications for controllable liquid deposition and surface decoration, such as catalysts on the superhydrophobic surfaces.
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Affiliation(s)
- Songlin Shi
- Department of Engineering Mechanics, Tsinghua University, 100084 Beijing, China.
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11
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Gonzalez-Avila SR, Nguyen DM, Arunachalam S, Domingues EM, Mishra H, Ohl CD. Mitigating cavitation erosion using biomimetic gas-entrapping microtextured surfaces (GEMS). SCIENCE ADVANCES 2020; 6:eaax6192. [PMID: 32258392 PMCID: PMC7101208 DOI: 10.1126/sciadv.aax6192] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/08/2019] [Accepted: 12/31/2019] [Indexed: 05/27/2023]
Abstract
Cavitation refers to the formation and collapse of vapor bubbles near solid boundaries in high-speed flows, such as ship propellers and pumps. During this process, cavitation bubbles focus fluid energy on the solid surface by forming high-speed jets, leading to damage and downtime of machinery. In response, numerous surface treatments to counteract this effect have been explored, including perfluorinated coatings and surface hardening, but they all succumb to cavitation erosion eventually. Here, we report on biomimetic gas-entrapping microtextured surfaces (GEMS) that robustly entrap air when immersed in water regardless of the wetting nature of the substrate. Crucially, the entrapment of air inside the cavities repels cavitation bubbles away from the surface, thereby preventing cavitation damage. We provide mechanistic insights by treating the system as a potential flow problem of a multi-bubble system. Our findings present a possible avenue for mitigating cavitation erosion through the application of inexpensive and environmentally friendly materials.
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Affiliation(s)
| | - Dang Minh Nguyen
- Department for Soft Matter, Institute for Physics, Otto-von-Guerick University, 39106 Magdeburg, Germany
- School of Physical and Mathematical Sciences, Department of Physics and Applied Physics, Nanyang Technological University, Singapore 637371, Singapore
| | - Sankara Arunachalam
- King Abdullah University of Science and Technology (KAUST), Water Desalination and Reuse Center (WDRC), Biological and Environmental Science and Engineering (BESE) Division, Thuwal 23955-6900, Saudi Arabia
| | - Eddy M. Domingues
- King Abdullah University of Science and Technology (KAUST), Water Desalination and Reuse Center (WDRC), Biological and Environmental Science and Engineering (BESE) Division, Thuwal 23955-6900, Saudi Arabia
| | - Himanshu Mishra
- King Abdullah University of Science and Technology (KAUST), Water Desalination and Reuse Center (WDRC), Biological and Environmental Science and Engineering (BESE) Division, Thuwal 23955-6900, Saudi Arabia
| | - Claus-Dieter Ohl
- Department for Soft Matter, Institute for Physics, Otto-von-Guerick University, 39106 Magdeburg, Germany
- School of Physical and Mathematical Sciences, Department of Physics and Applied Physics, Nanyang Technological University, Singapore 637371, Singapore
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12
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Marchio S, Meloni S, Giacomello A, Casciola CM. Wetting and recovery of nano-patterned surfaces beyond the classical picture. NANOSCALE 2019; 11:21458-21470. [PMID: 31686077 DOI: 10.1039/c9nr05105h] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Hydrophobic (nano)textured surfaces, also known as superhydrophobic surfaces, have a wide range of technological applications, including in the self-cleaning, anti-moisture, anti-icing, anti-fogging and friction/drag reduction fields, and many more. The accidental complete wetting of surface textures, which destroys superhydrophobicity, and the opposite process of recovery are two crucial processes that can prevent or enable the technological applications mentioned before. Understanding these processes is key to designing surfaces with tailored wetting and recovery properties. However, recent experiments have suggested that the currently available theories are insufficient for describing the observed phenomena. In this work we offer a dynamic picture of these processes beyond the state of the art showing that the key ingredient determining the experimental behavior is the inertia of the liquid in the wetting and dewetting processes, which is neglected in microscopic and macroscopic quasi-static theories inspired by the classical nucleation theory. The present findings are also important for other related phenomena, such as heterogeneous cavitation, where vapor/gas bubbles form at surface asperities, condensation, dynamics of the triple line, micelle formation, etc.
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Affiliation(s)
- Sara Marchio
- Dipartimento di Ingegneria Meccanica e Aerospaziale, Università di Roma Sapienza, Via Eudossiana 18, 00184 Roma, Italy.
| | - Simone Meloni
- Dipartimento di Ingegneria Meccanica e Aerospaziale, Università di Roma Sapienza, Via Eudossiana 18, 00184 Roma, Italy. and Dipartimento di Scienze Chimiche e Farmaceutiche (DipSCF), Universitá degli Studi di Ferrara (Unife), Via Luigi Borsari 46, I-44121, Ferrara, Italy.
| | - Alberto Giacomello
- Dipartimento di Ingegneria Meccanica e Aerospaziale, Università di Roma Sapienza, Via Eudossiana 18, 00184 Roma, Italy.
| | - Carlo Massimo Casciola
- Dipartimento di Ingegneria Meccanica e Aerospaziale, Università di Roma Sapienza, Via Eudossiana 18, 00184 Roma, Italy.
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13
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Giacomello A, Schimmele L, Dietrich S, Tasinkevych M. Recovering superhydrophobicity in nanoscale and macroscale surface textures. SOFT MATTER 2019; 15:7462-7471. [PMID: 31512709 PMCID: PMC8751625 DOI: 10.1039/c9sm01049a] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2019] [Accepted: 08/15/2019] [Indexed: 05/30/2023]
Abstract
Here, we investigate the complete drying of hydrophobic cavities in order to elucidate the dependence of drying on the size, the geometry, and the degree of hydrophobicity of the confinement. Two complementary theoretical approaches are adopted: a macroscopic one based on classical capillarity and a microscopic classical density functional theory. This combination allows us to pinpoint unique drying mechanisms at the nanoscale and to clearly differentiate them from the mechanisms operational at the macroscale. Nanoscale hydrophobic cavities allow the thermodynamic destabilization of the confined liquid phase over an unexpectedly broad range of conditions, including pressures as large as 10 MPa and contact angles close to 90°. On the other hand, for cavities on the micron scale, such destabilization occurs only for much larger contact angles and close to liquid-vapor coexistence. These scale-dependent drying mechanisms are used to propose design criteria for hierarchical superhydrophobic surfaces capable of spontaneous self-recovery over a broad range of operating conditions. In particular, we detail the requirements under which it is possible to realize perpetual superhydrophobicity at positive pressures on surfaces with micron-sized textures by exploiting drying, facilitated by nanoscale coatings. Concerning the issue of superhydrophobicity, these findings indicate a promising direction both for surface fabrication and for the experimental characterization of perpetual surperhydrophobicity. From a more basic perspective, the present results have an echo on a wealth of biological problems in which hydrophobic confinement induces drying, such as in protein folding, molecular recognition, and hydrophobic gating.
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Affiliation(s)
- Alberto Giacomello
- Sapienza Università di Roma, Dipartimento di Ingegneria Meccanica e Aerospaziale, 00184 Rome, Italy. and Max-Planck-Institut für Intelligente Systeme, 70569 Stuttgart, Germany
| | - Lothar Schimmele
- Max-Planck-Institut für Intelligente Systeme, 70569 Stuttgart, Germany
| | - Siegfried Dietrich
- Max-Planck-Institut für Intelligente Systeme, 70569 Stuttgart, Germany and IV. Institut für Theoretische Physik, Universität Stuttgart, 70569 Stuttgart, Germany
| | - Mykola Tasinkevych
- Centro de Física Teórica e Computacional, Departamento de Física, Faculdade de Ciências, Universidade de Lisboa, Campo Grande, P-1749-016 Lisboa, Portugal
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14
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Teisala H, Butt HJ. Hierarchical Structures for Superhydrophobic and Superoleophobic Surfaces. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2019; 35:10689-10703. [PMID: 30463408 DOI: 10.1021/acs.langmuir.8b03088] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Many surfaces possessing robust super liquid repellency are hierarchically structured on the nano- and micrometer scales. Several examples are found in nature, such as the self-cleaning leaves of lotus plants and anisotropic, water-guiding rice leaves. Each surface design has unique properties optimized for specific wetting conditions. In this invited feature article, we review both natural and artificial hierarchical surface structures and their function in repelling liquids. We discuss different types of structures needed in various wetting situations and draw some general conclusions as a guideline for designing robust superhydrophobic and superoleophobic surfaces.
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Affiliation(s)
- Hannu Teisala
- Department of Physics at Interfaces , Max Planck Institute for Polymer Research , Ackermannweg 10 , D-55128 Mainz , Germany
| | - Hans-Jürgen Butt
- Department of Physics at Interfaces , Max Planck Institute for Polymer Research , Ackermannweg 10 , D-55128 Mainz , Germany
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15
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Amabili M, Grosu Y, Giacomello A, Meloni S, Zaki A, Bonilla F, Faik A, Casciola CM. Pore Morphology Determines Spontaneous Liquid Extrusion from Nanopores. ACS NANO 2019; 13:1728-1738. [PMID: 30653291 DOI: 10.1021/acsnano.8b07818] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
In this contribution we explore by means of experiments, theory, and molecular dynamics the effect of pore morphology on the spontaneous extrusion of nonwetting liquids from nanopores. Understanding and controlling this phenomenon is central for manipulating nanoconfined liquids, e. g., in nanofluidic applications, drug delivery, and oil extraction. Qualitatively different extrusion behaviors were observed in high-pressure water intrusion-extrusion experiments on porous materials with similar nominal diameter and hydrophobicity: macroscopic capillary models and molecular dynamics simulations revealed that the very presence or absence of extrusion is connected to the internal morphology of the pores and, in particular, to the presence of small-scale roughness or pore interconnections. Additional experiments with mercury confirmed that this mechanism is generic for nonwetting liquids and is rooted in the pore topology. The present results suggest a rational way to engineer heterogeneous systems for energy and nanofluidic applications in which the extrusion behavior can be controlled via the pore morphology.
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Affiliation(s)
- Matteo Amabili
- Dipartimento di Ingegneria Meccanica e Aerospaziale , Sapienza Università di Roma , 00184 Rome , Italy
| | - Yaroslav Grosu
- CIC Energigune , Albert Einstein 48 , Miñano ( Álava ) 01510 , Spain
| | - Alberto Giacomello
- Dipartimento di Ingegneria Meccanica e Aerospaziale , Sapienza Università di Roma , 00184 Rome , Italy
| | - Simone Meloni
- Dipartimento di Ingegneria Meccanica e Aerospaziale , Sapienza Università di Roma , 00184 Rome , Italy
| | - Abdelali Zaki
- CIC Energigune , Albert Einstein 48 , Miñano ( Álava ) 01510 , Spain
| | - Francisco Bonilla
- CIC Energigune , Albert Einstein 48 , Miñano ( Álava ) 01510 , Spain
| | - Abdessamad Faik
- CIC Energigune , Albert Einstein 48 , Miñano ( Álava ) 01510 , Spain
| | - Carlo Massimo Casciola
- Dipartimento di Ingegneria Meccanica e Aerospaziale , Sapienza Università di Roma , 00184 Rome , Italy
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16
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Khanmohammadi Chenab K, Sohrabi B, Rahmanzadeh A. Superhydrophobicity: advanced biological and biomedical applications. Biomater Sci 2019; 7:3110-3137. [DOI: 10.1039/c9bm00558g] [Citation(s) in RCA: 55] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The biological and biomedical applications of superhydrophobic surface.
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Affiliation(s)
- Karim Khanmohammadi Chenab
- Department of Chemistry
- Surface Chemistry Research Laboratory
- Iran University of Science and Technology
- Tehran
- Iran
| | - Beheshteh Sohrabi
- Department of Chemistry
- Surface Chemistry Research Laboratory
- Iran University of Science and Technology
- Tehran
- Iran
| | - Atyeh Rahmanzadeh
- Department of Chemistry
- Surface Chemistry Research Laboratory
- Iran University of Science and Technology
- Tehran
- Iran
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17
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Marchio S, Meloni S, Giacomello A, Valeriani C, Casciola CM. Pressure control in interfacial systems: Atomistic simulations of vapor nucleation. J Chem Phys 2018; 148:064706. [PMID: 29448782 DOI: 10.1063/1.5011106] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
A large number of phenomena of scientific and technological interest involve multiple phases and occur at constant pressure of one of the two phases, e.g., the liquid phase in vapor nucleation. It is therefore of great interest to be able to reproduce such conditions in atomistic simulations. Here we study how popular barostats, originally devised for homogeneous systems, behave when applied straightforwardly to heterogeneous systems. We focus on vapor nucleation from a super-heated Lennard-Jones liquid, studied via hybrid restrained Monte Carlo simulations. The results show a departure from the trends predicted for the case of constant liquid pressure, i.e., from the conditions of classical nucleation theory. Artifacts deriving from standard (global) barostats are shown to depend on the size of the simulation box. In particular, for Lennard-Jones liquid systems of 7000 and 13 500 atoms, at conditions typically found in the literature, we have estimated an error of 10-15 kBT on the free-energy barrier, corresponding to an error of 104-106 s-1σ-3 on the nucleation rate. A mechanical (local) barostat is proposed which heals the artifacts for the considered case of vapor nucleation.
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Affiliation(s)
- S Marchio
- Dipartimento di Ingegneria Meccanica e Aerospaziale, Università di Roma "Sapienza", Via Eudossiana 18, 00184 Rome, Italy
| | - S Meloni
- Dipartimento di Ingegneria Meccanica e Aerospaziale, Università di Roma "Sapienza", Via Eudossiana 18, 00184 Rome, Italy
| | - A Giacomello
- Dipartimento di Ingegneria Meccanica e Aerospaziale, Università di Roma "Sapienza", Via Eudossiana 18, 00184 Rome, Italy
| | - C Valeriani
- Departamento de Estructura de la Materia, Fisica termica y Electronica, Universidad Complutense de Madrid, Avenida Complutense, 28040 Madrid, Spain
| | - C M Casciola
- Dipartimento di Ingegneria Meccanica e Aerospaziale, Università di Roma "Sapienza", Via Eudossiana 18, 00184 Rome, Italy
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18
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Tinti A, Giacomello A, Casciola CM. Vapor nucleation paths in lyophobic nanopores. THE EUROPEAN PHYSICAL JOURNAL. E, SOFT MATTER 2018; 41:52. [PMID: 29675633 DOI: 10.1140/epje/i2018-11658-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/03/2018] [Accepted: 03/29/2018] [Indexed: 06/08/2023]
Abstract
In recent years, technologies revolving around the use of lyophobic nanopores gained considerable attention in both fundamental and applied research. Owing to the enormous internal surface area, heterogeneous lyophobic systems (HLS), constituted by a nanoporous lyophobic material and a non-wetting liquid, are promising candidates for the efficient storage or dissipation of mechanical energy. These diverse applications both rely on the forced intrusion and extrusion of the non-wetting liquid inside the pores; the behavior of HLS for storage or dissipation depends on the hysteresis between these two processes, which, in turn, are determined by the microscopic details of the system. It is easy to understand that molecular simulations provide an unmatched tool for understanding phenomena at these scales. In this contribution we use advanced atomistic simulation techniques in order to study the nucleation of vapor bubbles inside lyophobic mesopores. The use of the string method in collective variables allows us to overcome the computational challenges associated with the activated nature of the phenomenon, rendering a detailed picture of nucleation in confinement. In particular, this rare event method efficiently searches for the most probable nucleation path(s) in otherwise intractable, high-dimensional free-energy landscapes. Results reveal the existence of several independent nucleation paths associated with different free-energy barriers. In particular, there is a family of asymmetric transition paths, in which a bubble forms at one of the walls; the other family involves the formation of axisymmetric bubbles with an annulus shape. The computed free-energy profiles reveal that the asymmetric path is significantly more probable than the symmetric one, while the exact position where the asymmetric bubble forms is less relevant for the free energetics of the process. A comparison of the atomistic results with continuum models is also presented, showing how, for simple liquids in mesoporous materials of characteristic size of ca. 4nm, the nanoscale effects reported for smaller pores have a minor role. The atomistic estimates for the nucleation free-energy barrier are in qualitative accord with those that can be obtained using a macroscopic, capillary-based nucleation theory.
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Affiliation(s)
- Antonio Tinti
- Max-Planck Institut für Intelligente Systeme, 70569, Stuttgart, Germany.
- Sapienza Università di Roma, 00184, Rome, Italy.
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