1
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Liao CL, Faizanuddin SM, Haruyama J, Liao WS, Wen YC. Effects of chain-chain interaction on the configuration of short-chain alkanethiol self-assembled monolayers on a metal surface. J Chem Phys 2024; 160:214711. [PMID: 38836785 DOI: 10.1063/5.0214261] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2024] [Accepted: 05/22/2024] [Indexed: 06/06/2024] Open
Abstract
Surface-specific sum frequency generation vibrational spectroscopy is applied to study the molecular configuration of short-chain n-alkanethiol self-assembled monolayers (SAMs with n = 2-6) on the Au surface. For monolayers with n≥ 3, the alkanethiols are upright-oriented, with the CH3 tilt angle varying between ∼33° and ∼46° in clear even-odd dependency. The ethanethiol monolayer (n = 2) is, however, found to exhibit a distinct lying-down configuration with a larger methyl tilt angle (67°-79°) and a smaller CH2 tilt angle (56°-68°). Such a unique configurational transition from n = 2 to n≥ 3 discloses the steric effect owing to chain-chain interaction among neighboring molecules. Through density functional theory calculations, the transition is further confirmed to be energetically favorable for thiols on a defective reconstructed Au(111) surface but not on the pristine one. Our study highlights the roles of the chain-chain interaction and the substrate surface atomic structure when organizing SAMs, offering a strategic pathway for exploiting their applications.
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Affiliation(s)
- Chia-Li Liao
- Department of Chemistry, National Taiwan University, Taipei 10617, Taiwan
- Institute of Physics, Academia Sinica, Taipei 11529, Taiwan
| | - Syed Mohammed Faizanuddin
- Institute of Physics, Academia Sinica, Taipei 11529, Taiwan
- Taiwan International Graduate Program, Academia Sinica, Taipei 11529, Taiwan
- Department of Engineering and System Science, National Tsing Hua University, Hsinchu 300044, Taiwan
| | - Jun Haruyama
- Solid State Chemistry Laboratory, Cluster for Pioneering Research, RIKEN, Wako 351-0198, Japan
| | - Wei-Ssu Liao
- Department of Chemistry, National Taiwan University, Taipei 10617, Taiwan
- Center for Emerging Material and Advanced Devices, National Taiwan University, Taipei 10617, Taiwan
| | - Yu-Chieh Wen
- Institute of Physics, Academia Sinica, Taipei 11529, Taiwan
- Taiwan International Graduate Program, Academia Sinica, Taipei 11529, Taiwan
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2
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Hong J, Tian Y, Liang T, Liu X, Song Y, Guan D, Yan Z, Guo J, Tang B, Cao D, Guo J, Chen J, Pan D, Xu LM, Wang EG, Jiang Y. Imaging surface structure and premelting of ice Ih with atomic resolution. Nature 2024; 630:375-380. [PMID: 38778112 DOI: 10.1038/s41586-024-07427-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Accepted: 04/16/2024] [Indexed: 05/25/2024]
Abstract
Ice surfaces are closely relevant to many physical and chemical properties, such as melting, freezing, friction, gas uptake and atmospheric reaction1-8. Despite extensive experimental and theoretical investigations9-17, the exact atomic structures of ice interfaces remain elusive owing to the vulnerable hydrogen-bonding network and the complicated premelting process. Here we realize atomic-resolution imaging of the basal (0001) surface structure of hexagonal water ice (ice Ih) by using qPlus-based cryogenic atomic force microscopy with a carbon monoxide-functionalized tip. We find that the crystalline ice-Ih surface consists of mixed Ih- and cubic (Ic)-stacking nanodomains, forming 19 × 19 periodic superstructures. Density functional theory reveals that this reconstructed surface is stabilized over the ideal ice surface mainly by minimizing the electrostatic repulsion between dangling OH bonds. Moreover, we observe that the ice surface gradually becomes disordered with increasing temperature (above 120 Kelvin), indicating the onset of the premelting process. The surface premelting occurs from the defective boundaries between the Ih and Ic domains and can be promoted by the formation of a planar local structure. These results put an end to the longstanding debate on ice surface structures and shed light on the molecular origin of ice premelting, which may lead to a paradigm shift in the understanding of ice physics and chemistry.
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Affiliation(s)
- Jiani Hong
- International Center for Quantum Materials, School of Physics, Peking University, Beijing, People's Republic of China
| | - Ye Tian
- International Center for Quantum Materials, School of Physics, Peking University, Beijing, People's Republic of China.
| | - Tiancheng Liang
- International Center for Quantum Materials, School of Physics, Peking University, Beijing, People's Republic of China
| | - Xinmeng Liu
- International Center for Quantum Materials, School of Physics, Peking University, Beijing, People's Republic of China
| | - Yizhi Song
- International Center for Quantum Materials, School of Physics, Peking University, Beijing, People's Republic of China
| | - Dong Guan
- International Center for Quantum Materials, School of Physics, Peking University, Beijing, People's Republic of China
| | - Zixiang Yan
- International Center for Quantum Materials, School of Physics, Peking University, Beijing, People's Republic of China
| | - Jiadong Guo
- International Center for Quantum Materials, School of Physics, Peking University, Beijing, People's Republic of China
| | - Binze Tang
- International Center for Quantum Materials, School of Physics, Peking University, Beijing, People's Republic of China
| | - Duanyun Cao
- Beijing Key Laboratory of Environmental Science and Engineering, School of Materials Science and Engineering, Beijing Institute of Technology, Beijing, People's Republic of China
- Beijing Institute of Technology Chongqing Innovation Center, Chongqing, People's Republic of China
| | - Jing Guo
- College of Chemistry, Beijing Normal University, Beijing, People's Republic of China
| | - Ji Chen
- School of Physics, Peking University, Beijing, People's Republic of China
- Interdisciplinary Institute of Light-Element Quantum Materials and Research Center for Light-Element Advanced Materials, Peking University, Beijing, People's Republic of China
| | - Ding Pan
- Department of Physics and Department of Chemistry, The Hong Kong University of Science and Technology, Hong Kong, People's Republic of China
| | - Li-Mei Xu
- International Center for Quantum Materials, School of Physics, Peking University, Beijing, People's Republic of China.
- Interdisciplinary Institute of Light-Element Quantum Materials and Research Center for Light-Element Advanced Materials, Peking University, Beijing, People's Republic of China.
- Collaborative Innovation Center of Quantum Matter, Beijing, People's Republic of China.
| | - En-Ge Wang
- International Center for Quantum Materials, School of Physics, Peking University, Beijing, People's Republic of China.
- Interdisciplinary Institute of Light-Element Quantum Materials and Research Center for Light-Element Advanced Materials, Peking University, Beijing, People's Republic of China.
- Collaborative Innovation Center of Quantum Matter, Beijing, People's Republic of China.
- Tsientang Institute for Advanced Study, Zhejiang, People's Republic of China.
| | - Ying Jiang
- International Center for Quantum Materials, School of Physics, Peking University, Beijing, People's Republic of China.
- Interdisciplinary Institute of Light-Element Quantum Materials and Research Center for Light-Element Advanced Materials, Peking University, Beijing, People's Republic of China.
- Collaborative Innovation Center of Quantum Matter, Beijing, People's Republic of China.
- New Cornerstone Science Laboratory, Peking University, Beijing, People's Republic of China.
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3
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Malik R, Chandra A, Das B, Chandra A. Theoretical Study of the Two-Dimensional Vibrational Sum Frequency Generation Spectroscopy of the Air-Water Interface at Varying Temperature and Its Connections to the Interfacial Structure and Dynamics. J Phys Chem B 2023; 127:10880-10895. [PMID: 38055625 DOI: 10.1021/acs.jpcb.3c03205] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/08/2023]
Abstract
We performed a theoretical study of the temperature variation of two-dimensional vibrational sum frequency generation (2D-VSFG) spectra of the OH stretch modes at air-water interfaces in the mid-IR region. The calculations are performed at four different temperatures from 250 to 325 K by using a combination of techniques involving response function formalism of nonlinear spectroscopy, electronic structure calculations, and molecular dynamics simulations. Also, the calculations are performed for isotopically dilute solutions so that the intra- and intermolecular coupling between the vibrational modes of interest can be ignored. We have established the connections of temperature variation of various frequency- and time-dependent features of the calculated spectra to the changes in the underlying structure and dynamics of the interfaces. The results reveal that interfacial water is dynamically more heterogeneous than bulk water, with three dominant dynamical processes exhibiting their corresponding time-dependent features in the 2D-VSFG spectrum. These are the spectral diffusion of hydrogen-bonded OH groups at the interface, conversion of an initially hydrogen-bonded OH group to a dangling OH which is a stable state for surface water, unlike the bulk water, and the third one, which involves the conversion of an initially free or dangling OH group to its hydrogen-bonded state at the interface. The temporal appearance of the cross peaks corresponding to interconversion of the hydrogen-bonded state to the dangling state or vice versa of an interfacial OH group is found to take place at a slower rate than the dynamics of spectral diffusion of hydrogen-bonded molecules at the interface, which, in turn, is slower than the corresponding spectral diffusion of bulk water molecules. The temperature variation of these dynamic processes can be linked to the decay of appropriate hydrogen-bond and non-hydrogen-bond time correlation functions of interfacial water molecules for the different air-water systems studied in this work.
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Affiliation(s)
- Ravi Malik
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur, Uttar Pradesh 208016, India
| | - Abhilash Chandra
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur, Uttar Pradesh 208016, India
| | - Banshi Das
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur, Uttar Pradesh 208016, India
| | - Amalendu Chandra
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur, Uttar Pradesh 208016, India
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4
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Lin Y, Zhou T, Rosenmann ND, Yu L, Gage TE, Banik S, Neogi A, Chan H, Lei A, Lin XM, Holt M, Arslan I, Wen J. Surface premelting of ice far below the triple point. Proc Natl Acad Sci U S A 2023; 120:e2304148120. [PMID: 37844213 PMCID: PMC10622896 DOI: 10.1073/pnas.2304148120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Accepted: 07/28/2023] [Indexed: 10/18/2023] Open
Abstract
Premelting of ice, a quasi-liquid layer (QLL) at the surface below the melting temperature, was first postulated by Michael Faraday 160 y ago. Since then, it has been extensively studied theoretically and experimentally through many techniques. Existing work has been performed predominantly on hexagonal ice, at conditions close to the triple point. Whether the same phenomenon can persist at much lower pressure and temperature, where stacking disordered ice sublimates directly into water vapor, remains unclear. Herein, we report direct observations of surface premelting on ice nanocrystals below the sublimation temperature using transmission electron microscopy (TEM). Similar to what has been reported on hexagonal ice, a QLL is found at the solid-vapor interface. It preferentially decorates certain facets, and its thickness increases as the phase transition temperature is approached. In situ TEM reveals strong diffusion of the QLL, while electron energy loss spectroscopy confirms its amorphous nature. More significantly, the premelting observed in this work is thought to be related to the metastable low-density ultraviscous water, instead of ambient liquid water as in the case of hexagonal ice. This opens a route to understand premelting and grassy liquid state, far away from the normal water triple point.
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Affiliation(s)
- Yulin Lin
- College of Chemistry and Molecular Sciences, the Institute for Advanced Studies, Wuhan University, Wuhan430072, People's Republic of China
| | - Tao Zhou
- Center for Nanoscale Materials, Argonne National Laboratory, Lemont, IL60439
| | | | - Lei Yu
- Center for Nanoscale Materials, Argonne National Laboratory, Lemont, IL60439
| | - Thomas E. Gage
- Center for Nanoscale Materials, Argonne National Laboratory, Lemont, IL60439
| | - Suvo Banik
- Center for Nanoscale Materials, Argonne National Laboratory, Lemont, IL60439
| | - Arnab Neogi
- Center for Nanoscale Materials, Argonne National Laboratory, Lemont, IL60439
| | - Henry Chan
- Center for Nanoscale Materials, Argonne National Laboratory, Lemont, IL60439
| | - Aiwen Lei
- College of Chemistry and Molecular Sciences, the Institute for Advanced Studies, Wuhan University, Wuhan430072, People's Republic of China
| | - Xiao-Min Lin
- Center for Nanoscale Materials, Argonne National Laboratory, Lemont, IL60439
| | - Martin Holt
- Center for Nanoscale Materials, Argonne National Laboratory, Lemont, IL60439
| | - Ilke Arslan
- Center for Nanoscale Materials, Argonne National Laboratory, Lemont, IL60439
| | - Jianguo Wen
- Center for Nanoscale Materials, Argonne National Laboratory, Lemont, IL60439
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5
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Shimohata Y, Kanematsu Y, Rivera Rocabado DS, Ishimoto T. Quantum Effects of Hydrogen Nuclei on the Nuclear Magnetic Shielding Tensor of Ice I h. J Phys Chem A 2023; 127:8025-8031. [PMID: 37735111 DOI: 10.1021/acs.jpca.3c01318] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/23/2023]
Abstract
Ice is the most fundamental hydrogen-bonded system in which the hydrogen nuclear quantum effect significantly impacts the structure and relevant thermochemical and spectroscopic properties. While ice was experimentally investigated using proton nuclear magnetic resonance spectroscopy more than 40 years ago, the corresponding theoretical investigations have been rarely reported due to the difficulty in evaluating how the proton nuclear quantum effect influences the spectral characteristics of such a condensed material. In this study, we applied a combination of the ONIOM and multicomponent molecular orbital (MC_MO) methods for calculating the anisotropic and isotropic components of the nuclear magnetic shielding tensor of the hexagonal ice crystal to quantify the effects of nuclear quantum fluctuations on the spectroscopic properties of ice. The nuclear magnetic shielding values computed by incorporating the hydrogen nuclear quantum effect reasonably agree with the experimental values. The nuclear quantum effects were found to increase the anisotropic component of the magnetic shielding tensor while decreasing the isotropic component. Such a difference can be explained by their distinct dependence on the electrostatic field and hydrogen-bonding structural parameters.
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Affiliation(s)
- Yuya Shimohata
- Smart Innovation Program, Graduate School of Advanced Science and Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8527, Japan
| | - Yusuke Kanematsu
- Smart Innovation Program, Graduate School of Advanced Science and Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8527, Japan
| | - David S Rivera Rocabado
- Smart Innovation Program, Graduate School of Advanced Science and Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8527, Japan
| | - Takayoshi Ishimoto
- Smart Innovation Program, Graduate School of Advanced Science and Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8527, Japan
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6
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Yan Y, Zhang J, Ren G, Zhou L, Liu L, Zhang X, Chen L, Ouyang C, Han J. Monitoring MgCl 2 hydrate formation from aqueous solutions using terahertz time-domain spectroscopy. Phys Chem Chem Phys 2022; 24:23490-23496. [PMID: 36128999 DOI: 10.1039/d2cp03231g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The interaction of MgCl2 with H2O is heavily involved in biological and chemical processes. In this work, freezing-induced hydrate formation from MgCl2 aqueous solution was monitored using terahertz time-domain spectroscopy. At low temperatures, two phase transitions from brine to hydrate formation could be clearly observed, and the formation of hydrate was accompanied by the emergence of new THz fingerprint peaks at 1.02, 1.56, and 1.84 THz, respectively. Integrating XRD and quantum chemical calculations, we attributed the absorption peaks to the vibrational modes of the formed MgCl2·12H2O. This demonstrates the potential of THz spectroscopy for application in the detection of biological processes in low-temperature environments, such as cell freezing.
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Affiliation(s)
- Yuyue Yan
- Centre for Terahertz Waves and College of Precision Instrument and Optoeletronics Engineering, Tianjin University, Tinajin 300072, China.
| | - Jiaqi Zhang
- Centre for Terahertz Waves and College of Precision Instrument and Optoeletronics Engineering, Tianjin University, Tinajin 300072, China.
| | - Guanhua Ren
- Department of Mathematics and Physics, North China Electric Power University, Baoding 071003, China
| | - Lu Zhou
- Centre for Terahertz Waves and College of Precision Instrument and Optoeletronics Engineering, Tianjin University, Tinajin 300072, China.
| | - Liyuan Liu
- Centre for Terahertz Waves and College of Precision Instrument and Optoeletronics Engineering, Tianjin University, Tinajin 300072, China.
| | - Xueqian Zhang
- Centre for Terahertz Waves and College of Precision Instrument and Optoeletronics Engineering, Tianjin University, Tinajin 300072, China.
| | - Ligang Chen
- Chongqing Institute of Green and Intelligent Technology Chinese Academy of Sciences, Chongqing 400714, China.
| | - Chunmei Ouyang
- Centre for Terahertz Waves and College of Precision Instrument and Optoeletronics Engineering, Tianjin University, Tinajin 300072, China.
| | - Jiaguang Han
- Centre for Terahertz Waves and College of Precision Instrument and Optoeletronics Engineering, Tianjin University, Tinajin 300072, China. .,Guangxi Key Laboratory of Optoelectronic Information Processing, School of Optoelectronic Engineering, Guilin University of Electronic Technology, Guilin 541004, China
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7
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Yu CC, Seki T, Chiang KY, Tang F, Sun S, Bonn M, Nagata Y. Polarization-Dependent Heterodyne-Detected Sum-Frequency Generation Spectroscopy as a Tool to Explore Surface Molecular Orientation and Ångström-Scale Depth Profiling. J Phys Chem B 2022; 126:6113-6124. [PMID: 35849538 PMCID: PMC9421650 DOI: 10.1021/acs.jpcb.2c02178] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Revised: 07/01/2022] [Indexed: 11/28/2022]
Abstract
Sum-frequency generation (SFG) spectroscopy provides a unique optical probe for interfacial molecules with interface-specificity and molecular specificity. SFG measurements can be further carried out at different polarization combinations, but the target of the polarization-dependent SFG is conventionally limited to investigating the molecular orientation. Here, we explore the possibility of polarization-dependent SFG (PD-SFG) measurements with heterodyne detection (HD-PD-SFG). We stress that HD-PD-SFG enables accurate determination of the peak amplitude, a key factor of the PD-SFG data. Subsequently, we outline that HD-PD-SFG can be used not only for estimating the molecular orientation but also for investigating the interfacial dielectric profile and studying the depth profile of molecules. We further illustrate the variety of combined simulation and PD-SFG studies.
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Affiliation(s)
- Chun-Chieh Yu
- Max
Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Takakazu Seki
- Max
Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Kuo-Yang Chiang
- Max
Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Fujie Tang
- Department
of Physics, Temple University, Philadelphia, Pennsylvania 19122, United States
| | - Shumei Sun
- Department
of Physics and Applied Optics Beijing Area Major Laboratory, Beijing Normal University, Beijing 100875, China
| | - Mischa Bonn
- Max
Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Yuki Nagata
- Max
Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
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8
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Li Z, Dong D, Zhang L, Li Y, Guo Z. Effect of fulvic acid concentration levels on the cleavage of piperazinyl and defluorination of ciprofloxacin photodegradation in ice. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 307:119499. [PMID: 35597482 DOI: 10.1016/j.envpol.2022.119499] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Revised: 05/03/2022] [Accepted: 05/15/2022] [Indexed: 06/15/2023]
Abstract
Ice is an important physical and chemical sink for various pollutants in cold regions. The photodegradation of emerging fluoroquinolone (FQ) antibiotic contaminants with dissolved organic matter (DOM) in ice remains poorly understood. Here, the photodegradation of ciprofloxacin (CIP) and fulvic acid (FA) in different proportions as representative FQ and DOM in ice were investigated. Results suggested that the photodegradation rate constant of CIP in ice was 1.9 times higher than that in water. When CFA/CCIP ≤ 60, promotion was caused by FA sensitization. FA increased the formation rate of cleavage in the piperazine ring and defluorination products. When 60 < CFA/CCIP < 650, the effect of FA on CIP changed from promoting to inhibiting. When 650 ≤ CFA/CCIP ≤ 2600, inhibition was caused by both quenching effects of 143.9%-51.3% and light screening effects of 0%-48.7%. FA inhibited cleavage in the piperazine ring for CIP by the scavenging reaction intermediate of aniline radical cation in ice. When CFA/CCIP > 2600, the light screening effect was greater than the quenching effect. This work provides new insights into how DOM affects the FQ photodegradation with different concentration proportions, which is beneficial for understanding the environmental behaviors of fluorinated pharmaceuticals in cold regions.
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Affiliation(s)
- Zhuojuan Li
- Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin Provincial Key Laboratory of Water Resources and Environment, College of New Energy and Environment, Jilin University, Changchun, 130012, China
| | - Deming Dong
- Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin Provincial Key Laboratory of Water Resources and Environment, College of New Energy and Environment, Jilin University, Changchun, 130012, China
| | - Liwen Zhang
- Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin Provincial Key Laboratory of Water Resources and Environment, College of New Energy and Environment, Jilin University, Changchun, 130012, China
| | - Yanchun Li
- Institute of Theoretical Chemistry, College of Chemistry, Jilin University, Changchun, 130023, China
| | - Zhiyong Guo
- Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin Provincial Key Laboratory of Water Resources and Environment, College of New Energy and Environment, Jilin University, Changchun, 130012, China.
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9
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Shi J, Fulford M, Li H, Marzook M, Reisjalali M, Salvalaglio M, Molteni C. Investigating the quasi-liquid layer on ice surfaces: a comparison of order parameters. Phys Chem Chem Phys 2022; 24:12476-12487. [PMID: 35576067 DOI: 10.1039/d2cp00752e] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Ice surfaces are characterized by pre-melted quasi-liquid layers (QLLs), which mediate both crystal growth processes and interactions with external agents. Understanding QLLs at the molecular level is necessary to unravel the mechanisms of ice crystal formation. Computational studies of the QLLs heavily rely on the accuracy of the methods employed for identifying the local molecular environment and arrangements, discriminating between solid-like and liquid-like water molecules. Here we compare the results obtained using different order parameters to characterize the QLLs on hexagonal ice (Ih) and cubic ice (Ic) model surfaces investigated with molecular dynamics (MD) simulations in a range of temperatures. For the classification task, in addition to the traditional Steinhardt order parameters in different flavours, we select an entropy fingerprint and a deep learning neural network approach (DeepIce), which are conceptually different methodologies. We find that all the analysis methods give qualitatively similar trends for the behaviours of the QLLs on ice surfaces with temperature, with some subtle differences in the classification sensitivity limited to the solid-liquid interface. The thickness of QLLs on the ice surface increases gradually as the temperature increases. The trends of the QLL size and of the values of the order parameters as a function of temperature for the different facets may be linked to surface growth rates which, in turn, affect crystal morphologies at lower vapour pressure. The choice of the order parameter can be therefore informed by computational convenience except in cases where a very accurate determination of the liquid-solid interface is important.
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Affiliation(s)
- Jihong Shi
- Department of Physics, King's College London, Strand, London WC2R 2LS, UK.
| | - Maxwell Fulford
- Department of Physics, King's College London, Strand, London WC2R 2LS, UK.
| | - Hui Li
- Department of Physics, King's College London, Strand, London WC2R 2LS, UK.
| | - Mariam Marzook
- Department of Physics, King's College London, Strand, London WC2R 2LS, UK.
| | - Maryam Reisjalali
- Department of Physics, King's College London, Strand, London WC2R 2LS, UK.
| | - Matteo Salvalaglio
- Department of Chemical Engineering, University College London, Torrington Place, London WC1E 7JE, UK
| | - Carla Molteni
- Department of Physics, King's College London, Strand, London WC2R 2LS, UK.
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10
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Yu CC, Imoto S, Seki T, Chiang KY, Sun S, Bonn M, Nagata Y. Accurate molecular orientation at interfaces determined by multimode polarization-dependent heterodyne-detected sum-frequency generation spectroscopy via multidimensional orientational distribution function. J Chem Phys 2022; 156:094703. [DOI: 10.1063/5.0081209] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Many essential processes occur at soft interfaces, from chemical reactions on aqueous aerosols in the atmosphere to biochemical recognition and binding at the surface of cell membranes. The spatial arrangement of molecules specifically at these interfaces is crucial for many of such processes. The accurate determination of the interfacial molecular orientation has been challenging due to the low number of molecules at interfaces and the ambiguity of their orientational distribution. Here, we combine phase- and polarization-resolved sum-frequency generation (SFG) spectroscopy to obtain the molecular orientation at the interface. We extend an exponentially decaying orientational distribution to multiple dimensions, which, in conjunction with multiple SFG datasets obtained from the different vibrational modes, allows us to determine the molecular orientation. We apply this new approach to formic acid molecules at the air–water interface. The inferred orientation of formic acid agrees very well with ab initio molecular dynamics data. The phase-resolved SFG multimode analysis scheme using the multidimensional orientational distribution thus provides a universal approach for obtaining the interfacial molecular orientation.
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Affiliation(s)
- Chun-Chieh Yu
- Molecular Spectroscopy Department, Max Planck Institute for Polymer Research, Ackermannweg 10, Mainz 55128, Germany
| | - Sho Imoto
- Analysis Technology Center, Fujifilm R&D, 210 Nakanuma, Minamiashigara, Kanagawa 250-0123, Japan
| | - Takakazu Seki
- Molecular Spectroscopy Department, Max Planck Institute for Polymer Research, Ackermannweg 10, Mainz 55128, Germany
| | - Kuo-Yang Chiang
- Molecular Spectroscopy Department, Max Planck Institute for Polymer Research, Ackermannweg 10, Mainz 55128, Germany
| | - Shumei Sun
- Applied Optics Beijing Area Major Laboratory, Department of Physics, Beijing Normal University, 100875 Beijing, China
| | - Mischa Bonn
- Molecular Spectroscopy Department, Max Planck Institute for Polymer Research, Ackermannweg 10, Mainz 55128, Germany
| | - Yuki Nagata
- Molecular Spectroscopy Department, Max Planck Institute for Polymer Research, Ackermannweg 10, Mainz 55128, Germany
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11
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Li Z, Dong D, Zhang L, Hua X, Guo Z. Photodegradation of norfloxacin in ice: Role of the fluorine substituent. CHEMOSPHERE 2022; 291:133042. [PMID: 34822864 DOI: 10.1016/j.chemosphere.2021.133042] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/14/2021] [Revised: 11/10/2021] [Accepted: 11/21/2021] [Indexed: 06/13/2023]
Abstract
Ice is an important medium in cold regions, because it regulates the environmental behaviors and the fate of pollutants. The photodegradation of fluoroquinolone (FQ) antibiotics as emerging contaminants of concern in ice remains poorly understood. Here, the photodegradation of fluorine-containing norfloxacin (NOR) as one model of FQs in ice formed from freezing solutions was investigated. Pipemidic acid (PPA) as a structural analogue of NOR was selected to compare the effect of molecular structure on the antibiotic photodegradation in the ice. Results suggested that the photodegradation rate constant of NOR in ice relative to pure water increased by 40.0%. Both the absorbance in the absorption spectra and quantum yields of NOR in ice over water increased by 1.4 times. Direct photodegradation mainly caused the defluorination of NOR, which was more important than cleavage and oxidation of the piperazine ring by self-sensitized photooxidation in ice. The defluorination rate of NOR in the ice relative to water increased by about 12.7%. The fluorine substituent played a more important role in the NOR photodegradation in the ice, resulting in a 1.6-fold increase in the photodegradation rate constant of NOR relative to PPA. This work provides a new insight into the role of fluorine substituents in the photodegradation of fluorinated pharmaceuticals in cold regions.
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Affiliation(s)
- Zhuojuan Li
- Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin Provincial Key Laboratory of Water Resources and Environment, College of New Energy and Environment, Jilin University, Changchun, 130012, China
| | - Deming Dong
- Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin Provincial Key Laboratory of Water Resources and Environment, College of New Energy and Environment, Jilin University, Changchun, 130012, China
| | - Liwen Zhang
- Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin Provincial Key Laboratory of Water Resources and Environment, College of New Energy and Environment, Jilin University, Changchun, 130012, China
| | - Xiuyi Hua
- Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin Provincial Key Laboratory of Water Resources and Environment, College of New Energy and Environment, Jilin University, Changchun, 130012, China
| | - Zhiyong Guo
- Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin Provincial Key Laboratory of Water Resources and Environment, College of New Energy and Environment, Jilin University, Changchun, 130012, China.
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12
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Lin X, Shao A, Hua M, Tian X. A first principle study of water adsorbed on flat and stepped silver surfaces. Phys Chem Chem Phys 2022; 24:6803-6810. [DOI: 10.1039/d1cp04618g] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The structural, electronic and vibrational properties of a water layer on Ag(100) and Ag(511) have been studied by first principles calculations and ab initio molecular dynamics simulations. The most stable...
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13
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Malek SMA, Kwan V, Saika-Voivod I, Consta S. Low Density Interior in Supercooled Aqueous Nanodroplets Expels Ions to the Subsurface. J Am Chem Soc 2021; 143:13113-13123. [PMID: 34375522 DOI: 10.1021/jacs.1c04142] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The interaction between water and ions within droplets plays a key role in the chemical reactivity of atmospheric and man-made aerosols. Here we report direct computational evidence that in supercooled aqueous nanodroplets a lower density core of tetrahedrally coordinated water expels the cosmotropic ions to the denser and more disordered subsurface. In contrast, at room temperature, depending on the nature of the ion, the radial distribution in the droplet core is nearly uniform or elevated toward the center. We analyze the spatial distribution of a single ion in terms of a reference electrostatic model. The energy of the system in the analytical model is expressed as the sum of the electrostatic and surface energy of a deformable droplet. The model predicts that the ion is subject to a harmonic potential centered at the droplet's center of mass. We name this effect "electrostatic confinement". The model's predictions are consistent with the simulation findings for a single ion at room temperature but not at supercooling. We anticipate this study to be the starting point for investigating the structure of supercooled (electro)sprayed droplets that are used to preserve the conformations of macromolecules originating from the bulk solution.
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Affiliation(s)
- Shahrazad M A Malek
- Department of Physics and Physical Oceanography, Memorial University of Newfoundland, St. John's A1B 3X7, Canada
| | - Victor Kwan
- Department of Chemistry, The University of Western Ontario, London, Ontario N6A 5B7, Canada
| | - Ivan Saika-Voivod
- Department of Physics and Physical Oceanography, Memorial University of Newfoundland, St. John's A1B 3X7, Canada.,Department of Applied Mathematics, Western University, London, Ontario N6A 3K7, Canada
| | - Styliani Consta
- Department of Chemistry, The University of Western Ontario, London, Ontario N6A 5B7, Canada
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14
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Fedoseeva VI, Fedoseev NF, Burnasheva MP. Specific Features of the Physicochemical Properties of Dispersed Ice Surface. COLLOID JOURNAL 2021. [DOI: 10.1134/s1061933x21020046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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15
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Sibley DN, Llombart P, Noya EG, Archer AJ, MacDowell LG. How ice grows from premelting films and water droplets. Nat Commun 2021; 12:239. [PMID: 33431836 PMCID: PMC7801427 DOI: 10.1038/s41467-020-20318-6] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Accepted: 11/14/2020] [Indexed: 11/08/2022] Open
Abstract
Close to the triple point, the surface of ice is covered by a thin liquid layer (so-called quasi-liquid layer) which crucially impacts growth and melting rates. Experimental probes cannot observe the growth processes below this layer, and classical models of growth by vapor deposition do not account for the formation of premelting films. Here, we develop a mesoscopic model of liquid-film mediated ice growth, and identify the various resulting growth regimes. At low saturation, freezing proceeds by terrace spreading, but the motion of the buried solid is conveyed through the liquid to the outer liquid-vapor interface. At higher saturations water droplets condense, a large crater forms below, and freezing proceeds undetectably beneath the droplet. Our approach is a general framework that naturally models freezing close to three phase coexistence and provides a first principle theory of ice growth and melting which may prove useful in the geosciences.
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Affiliation(s)
- David N Sibley
- Department of Mathematical Sciences, Loughborough University, Loughborough, LE11 3TU, UK
| | - Pablo Llombart
- Instituto de Química Física Rocasolano, CSIC, Calle Serrano 119, Madrid, 28006, Spain
- Departamento de Química Física (Unidad de I+D+i Asociada al CSIC), Facultad de Ciencias Químicas, Universidad Complutense de Madrid, Madrid, 28040, Spain
| | - Eva G Noya
- Instituto de Química Física Rocasolano, CSIC, Calle Serrano 119, Madrid, 28006, Spain
| | - Andrew J Archer
- Department of Mathematical Sciences, Loughborough University, Loughborough, LE11 3TU, UK
| | - Luis G MacDowell
- Departamento de Química Física (Unidad de I+D+i Asociada al CSIC), Facultad de Ciencias Químicas, Universidad Complutense de Madrid, Madrid, 28040, Spain.
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16
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Abstract
The basic theory of sum-frequency generation (SFG) is revisited. A rigorous derivation showing that linear optical transmission and reflection at an interface result from the interference of the incident wave and induced radiation wave in a medium is presented. The derivation is extended to SFG in a medium with a finite interface layer to see how SFG evolves. Detailed description on interface vs bulk and electric dipole (ED) vs electric quadrupole (EQ) contribution to SFG are provided with essentially no model dependence, putting the theory of SFG on a solid ground and removing possible existing confusions. Electric-quadrupole contributions to SFG from the interface and bulk are discussed. It is seen that there is a relevant bulk EQ contribution intrinsically inseparable in measurement from the interface ED contribution but plays a major role among all EQ contributions; its importance relative to the ED part can only be judged by referring to the established reference cases.
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Affiliation(s)
- Y R Shen
- Physics Department, University of California, Berkeley, California 94707, USA and Physics Department, Fudan University, Shanghai, China
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17
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Abstract
A highly stable ice monolayer with folded structural motifs is predicted by means of a novel tiling method augmented with ab initio calculations. This ice monolayer has every two neighboring water hexamers connected by a water square yet folded into two distinct planes, and is thus coined as a folded ice model. It is in the ground state in a range of water densities from 0.08 to 0.12 Å-2, with a stronger energy preference at a lower water density. Its stability shown by ab initio molecular dynamics simulations can sustain up to a temperature of 100 K. The tiling method also enables the prediction of a family of considerably stable ice monolayers with a variety of puckered structures. These results enrich our knowledge of low-dimensional water structures and pave a way to explore more exotic ice nanostructures under confinements.
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Affiliation(s)
- Ying Xu
- State Key Laboratory of Mechanics and Control of Mechanical Structures and Institute of Nanoscience, Key Laboratory for Intelligent Nano Materials and Devices of Ministry of Education, Nanjing University of Aeronautics and Astronautics, Nanjing, China.
| | - Xiaoyu Xuan
- State Key Laboratory of Mechanics and Control of Mechanical Structures and Institute of Nanoscience, Key Laboratory for Intelligent Nano Materials and Devices of Ministry of Education, Nanjing University of Aeronautics and Astronautics, Nanjing, China.
| | - Zhuhua Zhang
- State Key Laboratory of Mechanics and Control of Mechanical Structures and Institute of Nanoscience, Key Laboratory for Intelligent Nano Materials and Devices of Ministry of Education, Nanjing University of Aeronautics and Astronautics, Nanjing, China.
| | - Wanlin Guo
- State Key Laboratory of Mechanics and Control of Mechanical Structures and Institute of Nanoscience, Key Laboratory for Intelligent Nano Materials and Devices of Ministry of Education, Nanjing University of Aeronautics and Astronautics, Nanjing, China.
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18
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Kim K, Park MJ. Ice-assisted synthesis of functional nanomaterials: the use of quasi-liquid layers as nanoreactors and reaction accelerators. NANOSCALE 2020; 12:14320-14338. [PMID: 32458875 DOI: 10.1039/d0nr02624g] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
The discovery of peculiar quasi-liquid layers on ice surfaces marks a major breakthrough in ice-related sciences, as the facile tuning of the reactions and morphologies of substances in contact with these layers make ice-assisted chemistry a low-cost, environmentally benign, and ubiquitous methodology for the synthesis of nanomaterials with improved functionality. Ice-templated synthesis of porous materials offers the appealing features of rapid self-organization and remarkable property changes arising from confinement effects and affords materials that have found a diverse range of applications such as batteries, supercapacitors, and gas separation. Moreover, much attention has been drawn to the acceleration of chemical reactions and transformations on the ice surface due to the freeze concentration effect, fast self-diffusion of surface water, and modulated surface potential energy. Some of these results are related to the accumulation of inorganic contaminants in glaciers and the blockage of natural gas pipelines. As an emerging theme in nanomaterial design, the dimension-controlled synthesis of hybrid materials with unprecedentedly enhanced properties on ice surfaces has attracted much interest. However, a deep understanding of quasi-liquid layer characteristics (and hence, the development of cutting-edge analytical technologies with high surface sensitivity) is required to achieve the current goal of ice-assisted chemistry, namely the preparation of tailor-made materials with the desired properties.
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Affiliation(s)
- Kyoungwook Kim
- Department of Chemistry, Division of Materials Science, Pohang University of Science and Technology (POSTECH), Pohang, Korea 790-784.
| | - Moon Jeong Park
- Department of Chemistry, Division of Materials Science, Pohang University of Science and Technology (POSTECH), Pohang, Korea 790-784.
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19
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Moll CJ, Meister K, Versluis J, Bakker HJ. Freezing of Aqueous Carboxylic Acid Solutions on Ice. J Phys Chem B 2020; 124:5201-5208. [PMID: 32414235 PMCID: PMC7322724 DOI: 10.1021/acs.jpcb.9b10462] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
![]()
We study the properties of acetic
acid and propionic acid solutions
at the surface of monocrystalline ice with surface-specific vibrational
sum-frequency generation (VSFG) and heterodyne-detected vibrational
sum-frequency generation spectroscopy (HD-VSFG). When we decrease
the temperature toward the eutectic point of the acid solutions, we
observe the formation of a freeze concentrated solution (FCS) of the
carboxylic acids that is brought about by a freeze-induced phase separation
(FIPS). The freeze concentrated solution freezes on top of the ice
surface as we cool the system below the eutectic point. We find that
for freeze concentrated acetic acid solutions the freezing causes
a strong decrease of the VSFG signal, while for propionic acid an
increase and a blue-shift are observed. This different behavior points
at a distinct difference in molecular-scale behavior when cooling
below the eutectic point. We find that cooling of the propionic acid
solution below the eutectic point leads to the formation of hydrogen-bonded
dimers with an opposite alignment of the carboxylic acid O–H
groups.
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Affiliation(s)
- Carolyn J Moll
- AMOLF, Science Park 104, Amsterdam 1098 XG, The Netherlands
| | - Konrad Meister
- AMOLF, Science Park 104, Amsterdam 1098 XG, The Netherlands.,Max-Planck Institute for Polymer Research, Ackermannweg 10, Mainz D 55128, Germany.,University of Alaska Southeast, Juneau, Alaska 99801, United States
| | - Jan Versluis
- AMOLF, Science Park 104, Amsterdam 1098 XG, The Netherlands
| | - Huib J Bakker
- AMOLF, Science Park 104, Amsterdam 1098 XG, The Netherlands
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20
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Abstract
Understanding water wetting layers on solid surfaces is essential for many natural and industrial processes. Here we find a helical ice monolayer with every six water molecules helically arranged along the normal of the basal plane by performing an intensive structural search based on ab initio calculations. The helical ice is more stable than all previous models of monolayer and bilayer ices in a wide range of water densities both in vacuum and on weakly interacting substrates due to a stronger network of hydrogen bonds enabled by the helical geometry. More compelling is the fact that this model adequately explains a recent experimental ice monolayer grown on graphite in terms of the lattice parameter, water density, and Moiré pattern. The helical character in the new ice model echoes previously reported helical motifs in one-dimensional ice structures and suggests an unexpected capability of hydrogen bonds in driving the surface reconstruction of ice structures.
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Affiliation(s)
- Ying Xu
- State Key Laboratory of Mechanics and Control of Mechanical Structures and Institute of Nanoscience, Key Laboratory for Intelligent Nano Materials and Devices of Ministry of Education, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
| | - Xiaoyu Xuan
- State Key Laboratory of Mechanics and Control of Mechanical Structures and Institute of Nanoscience, Key Laboratory for Intelligent Nano Materials and Devices of Ministry of Education, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
| | - Zhuhua Zhang
- State Key Laboratory of Mechanics and Control of Mechanical Structures and Institute of Nanoscience, Key Laboratory for Intelligent Nano Materials and Devices of Ministry of Education, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
| | - Wanlin Guo
- State Key Laboratory of Mechanics and Control of Mechanical Structures and Institute of Nanoscience, Key Laboratory for Intelligent Nano Materials and Devices of Ministry of Education, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
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21
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Llombart P, Noya EG, MacDowell LG. Surface phase transitions and crystal habits of ice in the atmosphere. SCIENCE ADVANCES 2020; 6:eaay9322. [PMID: 32671203 PMCID: PMC7314560 DOI: 10.1126/sciadv.aay9322] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Accepted: 03/06/2020] [Indexed: 05/28/2023]
Abstract
With climate modeling predicting a raise of at least 2°C by year 2100, the fate of ice has become a serious concern, but we still do not understand how ice grows (or melts). In the atmosphere, crystal growth rates of basal and prism facets exhibit an enigmatic temperature dependence and crossover up to three times in a range between 0° and -40°. Here, we use large-scale computer simulations to characterize the ice surface and identify a sequence of previously unidentified phase transitions on the main facets of ice crystallites. Unexpectedly, we find that as temperature is increased, the crystal surface transforms from a disordered phase with proliferation of steps to a smooth phase with small step density. This causes the anomalous increase of step free energies and provides the long sought explanation for the enigmatic crossover of snow crystal growth rates found in the atmosphere.
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Affiliation(s)
- Pablo Llombart
- Instituto de Química Física Rocasolano, Madrid, Spain
- Departamento de Química Física, Universidad Complutense de Madrid, Madrid, Spain
| | - Eva G. Noya
- Instituto de Química Física Rocasolano, Madrid, Spain
| | - Luis G. MacDowell
- Departamento de Química Física, Universidad Complutense de Madrid, Madrid, Spain
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22
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Tang F, Ohto T, Sun S, Rouxel JR, Imoto S, Backus EHG, Mukamel S, Bonn M, Nagata Y. Molecular Structure and Modeling of Water-Air and Ice-Air Interfaces Monitored by Sum-Frequency Generation. Chem Rev 2020; 120:3633-3667. [PMID: 32141737 PMCID: PMC7181271 DOI: 10.1021/acs.chemrev.9b00512] [Citation(s) in RCA: 65] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2019] [Indexed: 12/26/2022]
Abstract
From a glass of water to glaciers in Antarctica, water-air and ice-air interfaces are abundant on Earth. Molecular-level structure and dynamics at these interfaces are key for understanding many chemical/physical/atmospheric processes including the slipperiness of ice surfaces, the surface tension of water, and evaporation/sublimation of water. Sum-frequency generation (SFG) spectroscopy is a powerful tool to probe the molecular-level structure of these interfaces because SFG can specifically probe the topmost interfacial water molecules separately from the bulk and is sensitive to molecular conformation. Nevertheless, experimental SFG has several limitations. For example, SFG cannot provide information on the depth of the interface and how the orientation of the molecules varies with distance from the surface. By combining the SFG spectroscopy with simulation techniques, one can directly compare the experimental data with the simulated SFG spectra, allowing us to unveil the molecular-level structure of water-air and ice-air interfaces. Here, we present an overview of the different simulation protocols available for SFG spectra calculations. We systematically compare the SFG spectra computed with different approaches, revealing the advantages and disadvantages of the different methods. Furthermore, we account for the findings through combined SFG experiments and simulations and provide future challenges for SFG experiments and simulations at different aqueous interfaces.
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Affiliation(s)
- Fujie Tang
- Max
Planck Institute for Polymer Research, Ackermannweg 10, Mainz 55128, Germany
- Department
of Physics, Temple University, Philadelphia, Pennsylvania 19122, United States
| | - Tatsuhiko Ohto
- Graduate
School of Engineering Science, Osaka University, 1-3 Machikaneyama, Toyonaka, Osaka 560-8531, Japan
| | - Shumei Sun
- Max
Planck Institute for Polymer Research, Ackermannweg 10, Mainz 55128, Germany
- Department
of Physical Chemistry, University of Vienna, Währinger Strasse 42, 1090 Vienna, Austria
| | - Jérémy R. Rouxel
- Department
of Chemistry and Department of Physics and Astronomy, University of California, Irvine, Irvine, California 92697-2025, United States
| | - Sho Imoto
- Max
Planck Institute for Polymer Research, Ackermannweg 10, Mainz 55128, Germany
| | - Ellen H. G. Backus
- Max
Planck Institute for Polymer Research, Ackermannweg 10, Mainz 55128, Germany
- Department
of Physical Chemistry, University of Vienna, Währinger Strasse 42, 1090 Vienna, Austria
| | - Shaul Mukamel
- Department
of Chemistry and Department of Physics and Astronomy, University of California, Irvine, Irvine, California 92697-2025, United States
| | - Mischa Bonn
- Max
Planck Institute for Polymer Research, Ackermannweg 10, Mainz 55128, Germany
| | - Yuki Nagata
- Max
Planck Institute for Polymer Research, Ackermannweg 10, Mainz 55128, Germany
- Department
of Physics, State Key Laboratory of Surface Physics and Key Laboratory
of Micro- and Nano-Photonic Structures (MOE), Fudan University, Shanghai 200433, China
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23
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Maurais J, Ayotte P. Tailoring electric field standing waves in reflection-absorption infrared spectroscopy to enhance absorbance from adsorbates on ice surfaces. J Chem Phys 2020; 152:074202. [PMID: 32087646 DOI: 10.1063/1.5141934] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
The spectroscopic detection of molecules adsorbed onto ice surfaces at coverages similar to those encountered under typical environmental conditions requires high surface selectivity and sensitivity that few techniques can afford. An experimental methodology allowing a significant enhancement in the absorbance from adsorbed molecules is demonstrated herein. It exploits Electric Field Standing Wave (EFSW) effects intrinsic to grazing incidence Reflection-Absorption Infrared (RAIR) spectroscopy, where film thickness dependent optical interferences occur between the multiple reflections of the IR beam at the film-vacuum and the substrate-film interfaces. In this case study, CH4 is used as a probe molecule and is deposited on a 20 ML coverage dense amorphous solid water film adsorbed onto solid Ar underlayers of various thicknesses. We observe that, at thicknesses where destructive interferences coincide with the absorption features from the CH stretching and HCH bending vibrational modes of methane, their intensity increases by a factor ranging from 10 to 25. Simulations of the RAIR spectra of the composite stratified films using a classical optics model reproduce the Ar underlayer coverage dependent enhancements of the absorbance features from CH4 adsorbed onto the ice surface. They also reveal that the enhancements occur when the square modulus of the total electric field at the film's surface reaches its minimum value. Exploiting the EFSW effect allows the limit of detection to be reduced to a coverage of (0.2 ± 0.2) ML CH4, which opens up interesting perspectives for spectroscopic studies of heterogeneous atmospheric chemistry at coverages that are more representative of those found in the natural environment.
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Affiliation(s)
- Josée Maurais
- Département de Chimie, Université de Sherbrooke, 2500 Boulevard de l'Université, Sherbrooke, Québec J1K 2R1, Canada
| | - Patrick Ayotte
- Département de Chimie, Université de Sherbrooke, 2500 Boulevard de l'Université, Sherbrooke, Québec J1K 2R1, Canada
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24
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Llombart P, Noya EG, Sibley DN, Archer AJ, MacDowell LG. Rounded Layering Transitions on the Surface of Ice. PHYSICAL REVIEW LETTERS 2020; 124:065702. [PMID: 32109130 DOI: 10.1103/physrevlett.124.065702] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/21/2019] [Revised: 11/29/2019] [Accepted: 01/14/2020] [Indexed: 06/10/2023]
Abstract
Understanding the wetting properties of premelting films requires knowledge of the film's equation of state, which is not usually available. Here we calculate the disjoining pressure curve of premelting films and perform a detailed thermodynamic characterization of premelting behavior on ice. Analysis of the density profiles reveals the signature of weak layering phenomena, from one to two and from two to three water molecular layers. However, disjoining pressure curves, which closely follow expectations from a renormalized mean field liquid state theory, show that there are no layering phase transitions in the thermodynamic sense along the sublimation line. Instead, we find that transitions at mean field level are rounded due to capillary wave fluctuations. We see signatures that true first order layering transitions could arise at low temperatures, for pressures between the metastable line of water-vapor coexistence and the sublimation line. The extrapolation of the disjoining pressure curve above water-vapor saturation displays a true first order phase transition from a thin to a thick film consistent with experimental observations.
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Affiliation(s)
- Pablo Llombart
- Departamento de Química-Física (Unidad de I+D+i Asociada al CSIC), Facultad de Ciencias Químicas, Universidad Complutense de Madrid, 28040 Madrid, Spain
- Instituto de Química Física Rocasolano, CSIC, Calle Serrano 119, 28006 Madrid, Spain
| | - Eva G Noya
- Instituto de Química Física Rocasolano, CSIC, Calle Serrano 119, 28006 Madrid, Spain
| | - David N Sibley
- Department of Mathematical Sciences, Loughborough University, Loughborough LE11 3TU, United Kingdom
| | - Andrew J Archer
- Department of Mathematical Sciences, Loughborough University, Loughborough LE11 3TU, United Kingdom
| | - Luis G MacDowell
- Departamento de Química-Física (Unidad de I+D+i Asociada al CSIC), Facultad de Ciencias Químicas, Universidad Complutense de Madrid, 28040 Madrid, Spain
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25
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Nojima Y, Shioya Y, Torii H, Yamaguchi S. Hydrogen order at the surface of ice Ih revealed by vibrational spectroscopy. Chem Commun (Camb) 2020; 56:4563-4566. [DOI: 10.1039/d0cc00865f] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A combination of heterodyne-detected sum frequency generation spectroscopy and theoretical modeling elucidates that the surface of ice Ih at 100 K has hydrogen order with the OH group pointing upward to the air (“H-up” orientation).
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Affiliation(s)
- Yuki Nojima
- Department of Applied Chemistry
- Graduate School of Science and Engineering
- Saitama University
- Sakura-ku
- Japan
| | - Yuki Shioya
- Department of Applied Chemistry
- Graduate School of Science and Engineering
- Saitama University
- Sakura-ku
- Japan
| | - Hajime Torii
- Department of Applied Chemistry and Biochemical Engineering
- Faculty of Engineering, and Department of Optoelectronics and Nanostructure Science
- Graduate School of Science and Technology
- Shizuoka University
- Naka-ku
| | - Shoichi Yamaguchi
- Department of Applied Chemistry
- Graduate School of Science and Engineering
- Saitama University
- Sakura-ku
- Japan
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26
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Sugimoto T, Matsumoto Y. Orientational ordering in heteroepitaxial water ice on metal surfaces. Phys Chem Chem Phys 2020; 22:16453-16466. [DOI: 10.1039/d0cp01763a] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Sum frequency generation spectroscopy uncovers the orientational ordering in crystalline ice films of water grown on Pt(111) and Rh(111).
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Affiliation(s)
- Toshiki Sugimoto
- Department of Materials Molecular Science
- Institute for Molecular Science
- Myodaiji
- Okazaki
- Japan
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27
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Nucleation and dissociation of methane clathrate embryo at the gas-water interface. Proc Natl Acad Sci U S A 2019; 116:23410-23415. [PMID: 31690661 DOI: 10.1073/pnas.1912592116] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Among natural energy resources, methane clathrate has attracted tremendous attention because of its strong relevance to current energy and environment issues. Yet little is known about how the clathrate starts to nucleate and disintegrate at the molecular level, because such microscopic processes are difficult to probe experimentally. Using surface-specific sum-frequency vibrational spectroscopy, we have studied in situ the nucleation and disintegration of methane clathrate embryos at the methane-gas-water interface under high pressure and different temperatures. Before appearance of macroscopic methane clathrate, the interfacial structure undergoes 3 stages as temperature varies, namely, dissolution of methane molecules into water interface, formation of cage-like methane-water complexes, and appearance of microscopic methane clathrate, while the bulk water structure remains unchanged. We find spectral features associated with methane-water complexes emerging in the induction time. The complexes are present over a wide temperature window and act as nuclei for clathrate growth. Their existence in the melt of clathrates explains why melted clathrates can be more readily recrystallized at higher temperature, the so-called "memory effect." Our findings here on the nucleation mechanism of clathrates could provide guidance for rational control of formation and disintegration of clathrates.
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28
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Seki T, Sun S, Zhong K, Yu CC, Machel K, Dreier LB, Backus EHG, Bonn M, Nagata Y. Unveiling Heterogeneity of Interfacial Water through the Water Bending Mode. J Phys Chem Lett 2019; 10:6936-6941. [PMID: 31647677 PMCID: PMC6844124 DOI: 10.1021/acs.jpclett.9b02748] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Accepted: 10/24/2019] [Indexed: 05/28/2023]
Abstract
The water bending mode provides a powerful probe of the microscopic structure of bulk aqueous systems because its frequency and spectral line shape are responsive to the intermolecular interactions. Furthermore, interpreting the bending mode response is straightforward, as the intramolecular vibrational coupling is absent. Nevertheless, bending mode has not been used for probing the interfacial water structure, as it has been yet argued that the signal is dominated by bulk effects. Here, through the sum-frequency generation measurement of the water bending mode at the water/air and water/charged lipid interfaces, we demonstrate that the bending mode signal is dominated not by the bulk but by the interface. Subsequently, we disentangle the hydrogen-bonding of water at the water/air interface using the bending mode frequency distribution and find distinct interfacial hydrogen-bonded structures, which can be directly related to the interfacial organization of water. The bending mode thus provides an excellent probe of aqueous interfacial structure.
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Affiliation(s)
- Takakazu Seki
- Max
Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Shumei Sun
- Max
Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
- Department
of Physical Chemistry, University of Vienna, Währinger Strasse 42, 1090 Vienna, Austria
| | - Kai Zhong
- Max
Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Chun-Chieh Yu
- Max
Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Kevin Machel
- Max
Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Lisa B. Dreier
- Max
Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Ellen H. G. Backus
- Max
Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
- Department
of Physical Chemistry, University of Vienna, Währinger Strasse 42, 1090 Vienna, Austria
| | - Mischa Bonn
- Max
Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Yuki Nagata
- Max
Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
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29
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Dodia M, Ohto T, Imoto S, Nagata Y. Structure and Dynamics of Water at the Water-Air Interface Using First-Principles Molecular Dynamics Simulations. II. NonLocal vs Empirical van der Waals Corrections. J Chem Theory Comput 2019; 15:3836-3843. [PMID: 31074989 PMCID: PMC6750744 DOI: 10.1021/acs.jctc.9b00253] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
![]()
van der Waals (vdW) correction schemes
have been recognized to
be essential for an accurate description of liquid water in first-principles
molecular dynamics simulation. The description of the structure and
dynamics of water is governed by the type of the vdW corrections.
So far, two vdW correction schemes have been often used: empirical
vdW corrections and nonlocal vdW corrections. In this paper, we assess
the influence of the empirical vs nonlocal vdW correction schemes
on the structure and dynamics of water at the water–air interface.
Since the structure of water at the water–air interface is
established by a delicate balance of hydrogen bond formation and breaking,
the simulation at the water–air interface provides a unique
platform to testify as to the heterogeneous interaction of water.
We used the metrics [Ohto et al. , 2019, 15, 595−60230468702] which
are directly connected with the sum-frequency generation spectroscopic
measurement. We find that the overall performance of nonlocal vdW
methods is either similar or worse compared to the empirical vdW methods.
We also investigated the performance of the optB88-DRSLL functional,
which showed slightly less accuracy than the revPBE-D3 method. We
conclude that the revPBE-D3 method shows the best performance for
describing the interfacial water.
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Affiliation(s)
- Mayank Dodia
- Max Planck Institute for Polymer Research, Ackermannweg 10 , 55128 Mainz , Germany
| | - Tatsuhiko Ohto
- Graduate School of Engineering Science , Osaka University , 1-3 Machikaneyama , Toyonaka, Osaka 560-8531 , Japan
| | - Sho Imoto
- Max Planck Institute for Polymer Research, Ackermannweg 10 , 55128 Mainz , Germany
| | - Yuki Nagata
- Max Planck Institute for Polymer Research, Ackermannweg 10 , 55128 Mainz , Germany
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30
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Yamaguchi S, Suzuki Y, Nojima Y, Otosu T. Perspective on sum frequency generation spectroscopy of ice surfaces and interfaces. Chem Phys 2019. [DOI: 10.1016/j.chemphys.2019.03.005] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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31
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Nagata Y, Hama T, Backus EHG, Mezger M, Bonn D, Bonn M, Sazaki G. The Surface of Ice under Equilibrium and Nonequilibrium Conditions. Acc Chem Res 2019; 52:1006-1015. [PMID: 30925035 PMCID: PMC6727213 DOI: 10.1021/acs.accounts.8b00615] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
Abstract
![]()
The ice
premelt, often called the quasi-liquid layer (QLL), is
key for the lubrication of ice, gas uptake by ice, and growth of aerosols.
Despite its apparent importance, in-depth understanding of the ice
premelt from the microscopic to the macroscopic scale has not been
gained. By reviewing data obtained using molecular dynamics (MD) simulations,
sum-frequency generation (SFG) spectroscopy, and laser confocal differential
interference contrast microscopy (LCM-DIM), we provide a unified view
of the experimentally observed variation in quasi-liquid (QL) states.
In particular, we disentangle three distinct types of QL states of
disordered layers, QL-droplet, and QL-film and discuss their nature. The topmost ice layer is energetically unstable, as the topmost
interfacial H2O molecules lose a hydrogen bonding partner,
generating a disordered layer at the ice–air interface. This
disordered layer is homogeneously distributed over the ice surface.
The nature of the disordered layer changes over a wide temperature
range from −90 °C to the bulk melting point. Combined
MD simulations and SFG measurements reveal that the topmost ice surface
starts to be disordered around −90 °C through a process
that the topmost water molecules with three hydrogen bonds convert
to a doubly hydrogen-bonded species. When the temperature is further
increased, the second layer starts to become disordered at around
−16 °C. This disordering occurs not in a gradual manner,
but in a bilayer-by-bilayer manner. When the temperature reaches
−2 °C, more complicated
structures, QL-droplet and QL-film, emerge on the top of the ice surface.
These QL-droplets and QL-films are inhomogeneously distributed, in
contrast to the disordered layer. We show that these QL-droplet and
QL-film emerge only under supersaturated/undersaturated vapor pressure
conditions, as partial and pseudopartial wetting states, respectively.
Experiments with precisely controlled pressure show that, near the
water vapor pressure at the vapor-ice equilibrium condition, no QL-droplet
and QL-film can be observed, implying that the QL-droplet and QL-film
emerge exclusively under nonequilibrium conditions, as opposed to
the disordered layers formed under equilibrium conditions. These
findings are connected with many phenomena related to the
ice surface. For example, we explain how the disordering of the topmost
ice surface governs the slipperiness of the ice surface, allowing
for ice skating. Further focus is on the gas uptake mechanism on the
ice surface. Finally, we note the unresolved questions and future
challenges regarding the ice premelt.
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Affiliation(s)
- Yuki Nagata
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Tetsuya Hama
- Institute of Low Temperature Science, Hokkaido University, Sapporo 060-0819, Japan
| | - Ellen H. G. Backus
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
- Department of Physical Chemistry, University of Vienna, Waehringer Strasse 42, 1090 Vienna, Austria
| | - Markus Mezger
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
- Institute of Physics, Johannes Gutenberg University Mainz, 55128 Mainz, Germany
| | - Daniel Bonn
- Van der Waals-Zeeman Institute, University of Amsterdam, Science Park 904, 1098 XH Amsterdam, The Netherlands
| | - Mischa Bonn
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Gen Sazaki
- Institute of Low Temperature Science, Hokkaido University, Sapporo 060-0819, Japan
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32
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Xu X, Shen YR, Tian C. Phase-sensitive sum frequency vibrational spectroscopic study of air/water interfaces: H2O, D2O, and diluted isotopic mixtures. J Chem Phys 2019; 150:144701. [DOI: 10.1063/1.5081135] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Affiliation(s)
- Xiaofan Xu
- Department of Physics, State Key Laboratory of Surface Physics and Key Laboratory of Micro- and Nano-Photonic Structures (MOE), Fudan University, Shanghai 200433, China
| | - Y. Ron Shen
- Department of Physics, State Key Laboratory of Surface Physics and Key Laboratory of Micro- and Nano-Photonic Structures (MOE), Fudan University, Shanghai 200433, China
- Department of Physics, University of California, Berkeley, California 94720, USA
| | - Chuanshan Tian
- Department of Physics, State Key Laboratory of Surface Physics and Key Laboratory of Micro- and Nano-Photonic Structures (MOE), Fudan University, Shanghai 200433, China
- Department of Physics, University of California, Berkeley, California 94720, USA
- Collaborative Innovation Center of Advanced Microstructures, Nanjing 210093, China
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33
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Cyran JD, Backus EHG, van Zadel MJ, Bonn M. Comparative Adsorption of Acetone on Water and Ice Surfaces. Angew Chem Int Ed Engl 2019; 58:3620-3624. [PMID: 30601600 PMCID: PMC6767755 DOI: 10.1002/anie.201813517] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2018] [Indexed: 12/05/2022]
Abstract
Small organic molecules on ice and water surfaces are ubiquitous in nature and play a crucial role in many environmentally relevant processes. Herein, we combine surface‐specific vibrational spectroscopy and a controllable flow cell apparatus to investigate the molecular adsorption of acetone onto the basal plane of single‐crystalline hexagonal ice with a large surface area. By comparing the adsorption of acetone on the ice/air and the water/air interface, we observed two different types of acetone adsorption, as apparent from the different responses of both the free O−H and the hydrogen‐bonded network vibrations for ice and liquid water. Adsorption on ice occurs preferentially through interactions with the free OH group, while the interaction of acetone with the surface of liquid water appears less specific.
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Affiliation(s)
- Jenée D Cyran
- Molecular Spectroscopy Department, Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
| | - Ellen H G Backus
- Molecular Spectroscopy Department, Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany.,Department of Physical Chemistry, University of Vienna, Währinger Strasse 42, 1090, Vienna, Austria
| | - Marc-Jan van Zadel
- Molecular Spectroscopy Department, Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
| | - Mischa Bonn
- Molecular Spectroscopy Department, Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
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34
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Vergleichende Acetonadsorption an Wasser- und Eisoberflächen. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201813517] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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35
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36
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Li H, Bier M, Mars J, Weiss H, Dippel AC, Gutowski O, Honkimäki V, Mezger M. Interfacial premelting of ice in nano composite materials. Phys Chem Chem Phys 2019; 21:3734-3741. [DOI: 10.1039/c8cp05604h] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
We present a quantitative description of ice premelting in permafrost model systems. Experimental data on the interfacial premelting in ice/clay nano composites was obtained by high energy X-ray diffraction.
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Affiliation(s)
- Hailong Li
- Max Planck Institute for Polymer Research
- 55128 Mainz
- Germany
| | - Markus Bier
- Max Planck Institute for Intelligent Systems
- 70569 Stuttgart
- Germany
- Institute for Theoretical Physics IV
- University of Stuttgart
| | - Julian Mars
- Max Planck Institute for Polymer Research
- 55128 Mainz
- Germany
- Institute of Physics
- Johannes Gutenberg University Mainz
| | - Henning Weiss
- Max Planck Institute for Polymer Research
- 55128 Mainz
- Germany
| | | | - Olof Gutowski
- Deutsches Elektronen-Synchrotron DESY
- 22607 Hamburg
- Germany
| | | | - Markus Mezger
- Max Planck Institute for Polymer Research
- 55128 Mainz
- Germany
- Institute of Physics
- Johannes Gutenberg University Mainz
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37
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Otsuki Y, Watanabe K, Sugimoto T, Matsumoto Y. Enhanced structural disorder at a nanocrystalline ice surface. Phys Chem Chem Phys 2019; 21:20442-20453. [PMID: 31502600 DOI: 10.1039/c8cp07269h] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Enhanced structural disorder at the surface of nanocrystalline ice is studied by heterodyne-detected sum-frequency generation spectroscopy.
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Affiliation(s)
- Yuji Otsuki
- Department of Chemistry
- Graduate School of Science
- Kyoto University
- Kyoto 606-8502
- Japan
| | - Kazuya Watanabe
- Department of Chemistry
- Graduate School of Science
- Kyoto University
- Kyoto 606-8502
- Japan
| | - Toshiki Sugimoto
- Department of Materials Molecular Science
- Institute for Molecular Science
- Aichi 444-8585
- Japan
- Precursory Research for Embryonic Science and Technology (PRESTO)
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38
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Sun S, Tang F, Imoto S, Moberg DR, Ohto T, Paesani F, Bonn M, Backus EHG, Nagata Y. Orientational Distribution of Free O-H Groups of Interfacial Water is Exponential. PHYSICAL REVIEW LETTERS 2018; 121:246101. [PMID: 30608741 DOI: 10.1103/physrevlett.121.246101] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/30/2018] [Revised: 11/09/2018] [Indexed: 06/09/2023]
Abstract
The orientational distribution of free O-H (O-D) groups at the H_{2}O- (D_{2}O-)air interface is investigated using combined molecular dynamics (MD) simulations and sum-frequency generation (SFG) experiments. The average angle of the free O-H groups, relative to the surface normal, is found to be ∼63°, substantially larger than previous estimates of 30°-40°. This discrepancy can be traced to erroneously assumed Gaussian or stepwise orientational distributions of free O-H groups. Instead, the MD simulation and SFG measurement reveal a broad and exponentially decaying orientational distribution. The broad orientational distribution indicates the presence of the free O-H group pointing down to the bulk. We ascribe the origin of such free O-H groups to the presence of capillary waves on the water surface.
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Affiliation(s)
- Shumei Sun
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Fujie Tang
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
- International Center for Quantum Materials, School of Physics, Peking University, 5 Yiheyuan Road, Haidian, Beijing 100871, China
| | - Sho Imoto
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Daniel R Moberg
- Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, California 92093, USA
| | - Tatsuhiko Ohto
- Graduate School of Engineering Science, Osaka University, 1-3 Machikaneyama, Toyonaka, Osaka 560-8531, Japan
| | - Francesco Paesani
- Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, California 92093, USA
| | - Mischa Bonn
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Ellen H G Backus
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Yuki Nagata
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
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39
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Ohto T, Dodia M, Imoto S, Nagata Y. Structure and Dynamics of Water at the Water–Air Interface Using First-Principles Molecular Dynamics Simulations within Generalized Gradient Approximation. J Chem Theory Comput 2018; 15:595-602. [DOI: 10.1021/acs.jctc.8b00567] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Tatsuhiko Ohto
- Graduate School of Engineering Science, Osaka University, 1-3 Machikaneyama, Toyonaka, Osaka 560-8531, Japan
| | - Mayank Dodia
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Sho Imoto
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Yuki Nagata
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
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40
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Abstract
Premelting of ice at temperatures below 0 °C is of fundamental importance for environmental processes. Various experimental techniques have been used to investigate the temperature at which liquid-like water first appears at the ice-vapor interface, reporting onset temperatures from -160 to -2 °C. The signals that identify liquid-like order at the ice-vapor interface in these studies, however, do not show a sharp initiation with temperature. That is at odds with the expected first-order nature of surface phase transitions, and consistent with recent large-scale molecular simulations that show the first premelted layer to be sparse and to develop continuously over a wide range of temperatures. Here we perform a thermodynamic analysis to elucidate the origin of the continuous formation of the first layer of liquid at the ice-vapor interface. We conclude that a negative value of the line tension of the ice-liquid-vapor three-phase contact line is responsible for the continuous character of the transition and the sparse nature of the liquid-like domains in the incomplete first layer.
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Affiliation(s)
- Yuqing Qiu
- Department of Chemistry , The University of Utah , Salt Lake City , Utah 84112-0580 , United States
| | - Valeria Molinero
- Department of Chemistry , The University of Utah , Salt Lake City , Utah 84112-0580 , United States
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41
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Weber B, Nagata Y, Ketzetzi S, Tang F, Smit WJ, Bakker HJ, Backus EHG, Bonn M, Bonn D. Molecular Insight into the Slipperiness of Ice. J Phys Chem Lett 2018; 9:2838-2842. [PMID: 29741089 DOI: 10.1021/acs.jpclett.8b01188] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
Measurements of the friction coefficient of steel-on-ice over a large temperature range reveal very high friction at low temperatures (-100 °C) and a steep decrease in the friction coefficient with increasing temperature. Very low friction is only found over the limited temperature range typical for ice skating. The strong decrease in the friction coefficient with increasing temperature exhibits Arrhenius behavior with an activation energy of Ea ≈ 11.5 kJ mol-1. Remarkably, molecular dynamics simulations of the ice-air interface reveal a very similar activation energy for the mobility of surface molecules. Weakly hydrogen-bonded surface molecules diffuse over the surface in a rolling motion, their number and mobility increasing with increasing temperature. This correlation between macroscopic friction and microscopic molecular mobility indicates that slippery ice arises from the high mobility of its surface molecules, making the ice surface smooth and the shearing of the weakly bonded surface molecules easy.
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Affiliation(s)
- Bart Weber
- Van der Waals-Zeeman Institute, IoP , University of Amsterdam , Science Park 904 , 1098XH Amsterdam , The Netherlands
| | - Yuki Nagata
- Max Planck Institute for Polymer Research , Ackermannweg 10 , 55128 Mainz , Germany
| | - Stefania Ketzetzi
- Van der Waals-Zeeman Institute, IoP , University of Amsterdam , Science Park 904 , 1098XH Amsterdam , The Netherlands
| | - Fujie Tang
- Max Planck Institute for Polymer Research , Ackermannweg 10 , 55128 Mainz , Germany
| | - Wilbert J Smit
- AMOLF , Science Park 104 , 1098 XG Amsterdam , The Netherlands
| | - Huib J Bakker
- AMOLF , Science Park 104 , 1098 XG Amsterdam , The Netherlands
| | - Ellen H G Backus
- Max Planck Institute for Polymer Research , Ackermannweg 10 , 55128 Mainz , Germany
| | - Mischa Bonn
- Max Planck Institute for Polymer Research , Ackermannweg 10 , 55128 Mainz , Germany
| | - Daniel Bonn
- Van der Waals-Zeeman Institute, IoP , University of Amsterdam , Science Park 904 , 1098XH Amsterdam , The Netherlands
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42
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Nojima Y, Suzuki Y, Takahashi M, Yamaguchi S. Proton Order toward the Surface of Ice I h Revealed by Heterodyne-Detected Sum Frequency Generation Spectroscopy. J Phys Chem Lett 2017; 8:5031-5034. [PMID: 28968104 DOI: 10.1021/acs.jpclett.7b02198] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
Using heterodyne-detected sum frequency generation (HD-SFG) spectroscopy, we investigated surface proton order at the basal, primary prism, and secondary prism faces of single-crystalline ice Ih at ca. 130 K. The complex phase of the obtained spectra clearly indicates that second-order nonlinear polarization from which the HD-SFG signal arises is generated exclusively at the surfaces. This suggests surface proton ordering along the normal, whereas the bulk remains proton-disordered, as is well known for ice Ih. A strong positive peak observed in the HD-SFG spectra enables us to determine the "direction" of the surface proton order as "H-up", that is, the hydrogen atom of the OH group pointing away from the bulk, irrespective of the ice faces. Reliable HD-SFG measurements carried out in the present study have greatly advanced our understanding of surface structure of ice Ih.
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Affiliation(s)
- Yuki Nojima
- Department of Applied Chemistry, Graduate School of Science and Engineering, Saitama University , 255 Shimo-Okubo, Sakura, Saitama 338-8570, Japan
| | - Yudai Suzuki
- Department of Applied Chemistry, Graduate School of Science and Engineering, Saitama University , 255 Shimo-Okubo, Sakura, Saitama 338-8570, Japan
| | - Misato Takahashi
- Department of Applied Chemistry, Graduate School of Science and Engineering, Saitama University , 255 Shimo-Okubo, Sakura, Saitama 338-8570, Japan
| | - Shoichi Yamaguchi
- Department of Applied Chemistry, Graduate School of Science and Engineering, Saitama University , 255 Shimo-Okubo, Sakura, Saitama 338-8570, Japan
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43
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Affiliation(s)
- Wilbert J. Smit
- AMOLF; Science Park 104 1098 XG Amsterdam The Netherlands
- PSL Research University; ESPCI Paris, UMR CBI 8231; 10 rue Vauquelin 75005 Paris France
| | - Huib J. Bakker
- AMOLF; Science Park 104 1098 XG Amsterdam The Netherlands
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44
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Smit WJ, Bakker HJ. The Surface of Ice Is Like Supercooled Liquid Water. Angew Chem Int Ed Engl 2017; 56:15540-15544. [PMID: 28941041 DOI: 10.1002/anie.201707530] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2017] [Indexed: 11/08/2022]
Affiliation(s)
- Wilbert J. Smit
- AMOLF; Science Park 104 1098 XG Amsterdam The Netherlands
- PSL Research University; ESPCI Paris, UMR CBI 8231; 10 rue Vauquelin 75005 Paris France
| | - Huib J. Bakker
- AMOLF; Science Park 104 1098 XG Amsterdam The Netherlands
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45
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Kong X, Waldner A, Orlando F, Artiglia L, Huthwelker T, Ammann M, Bartels-Rausch T. Coexistence of Physisorbed and Solvated HCl at Warm Ice Surfaces. J Phys Chem Lett 2017; 8:4757-4762. [PMID: 28902513 DOI: 10.1021/acs.jpclett.7b01573] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
The interfacial ionization of strong acids is an essential factor of multiphase and heterogeneous chemistry in environmental science, cryospheric science, catalysis research and material science. Using near ambient pressure core level X-ray photoelectron spectroscopy, we directly detected a low surface coverage of adsorbed HCl at 253 K in both molecular and dissociated states. Depth profiles derived from XPS data indicate the results as physisorbed molecular HCl at the outermost ice surface and dissociation occurring upon solvation deeper in the interfacial region. Complementary X-ray absorption measurements confirm that the presence of Cl- ions induces significant changes to the hydrogen bonding network in the interfacial region. This study gives clear evidence for nonuniformity across the air-ice interface and questions the use of acid-base concepts in interfacial processes.
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Affiliation(s)
- Xiangrui Kong
- Laboratory of Environmental Chemistry, Paul Scherrer Institut , CH-5232 Villigen PSI, Switzerland
- Department of Chemistry and Molecular Biology, University of Gothenburg , SE-41296 Gothenburg, Sweden
| | - Astrid Waldner
- Laboratory of Environmental Chemistry, Paul Scherrer Institut , CH-5232 Villigen PSI, Switzerland
- Department of Environmental System Science, ETH Zürich , CH-8092 Zürich, Switzerland
| | - Fabrizio Orlando
- Laboratory of Environmental Chemistry, Paul Scherrer Institut , CH-5232 Villigen PSI, Switzerland
| | - Luca Artiglia
- Laboratory of Environmental Chemistry, Paul Scherrer Institut , CH-5232 Villigen PSI, Switzerland
| | - Thomas Huthwelker
- Swiss Light Source, Paul Scherrer Institute , CH-5232, Villigen PSI, Switzerland
| | - Markus Ammann
- Laboratory of Environmental Chemistry, Paul Scherrer Institut , CH-5232 Villigen PSI, Switzerland
| | - Thorsten Bartels-Rausch
- Laboratory of Environmental Chemistry, Paul Scherrer Institut , CH-5232 Villigen PSI, Switzerland
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46
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Smit WJ, Tang F, Sánchez MA, Backus EHG, Xu L, Hasegawa T, Bonn M, Bakker HJ, Nagata Y. Excess Hydrogen Bond at the Ice-Vapor Interface around 200 K. PHYSICAL REVIEW LETTERS 2017; 119:133003. [PMID: 29341676 DOI: 10.1103/physrevlett.119.133003] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2017] [Indexed: 06/07/2023]
Abstract
Phase-resolved sum-frequency generation measurements combined with molecular dynamics simulations are employed to study the effect of temperature on the molecular arrangement of water on the basal face of ice. The topmost monolayer, interrogated through its nonhydrogen-bonded, free O-H stretch peak, exhibits a maximum in surface H-bond density around 200 K. This maximum results from two competing effects: above 200 K, thermal fluctuations cause the breaking of H bonds; below 200 K, the formation of bulklike crystalline interfacial structures leads to H-bond breaking. Knowledge of the surface structure of ice is critical for understanding reactions occurring on ice surfaces and ice nucleation.
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Affiliation(s)
- Wilbert J Smit
- AMOLF, Science Park 104, 1098 XG Amsterdam, The Netherlands
| | - Fujie Tang
- International Center for Quantum Materials, Peking University, 5 Yiheyuan Road, Haidian, Beijing 100871, China
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - M Alejandra Sánchez
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Ellen H G Backus
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Limei Xu
- International Center for Quantum Materials, Peking University, 5 Yiheyuan Road, Haidian, Beijing 100871, China
- Collaborative Innovation Center of Quantum Matter, Beijing 100871, China
| | - Taisuke Hasegawa
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
- Department of Chemistry, Graduate School of Science, Kyoto University, Sakyoku, Kyoto 606-8502, Japan
| | - Mischa Bonn
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Huib J Bakker
- AMOLF, Science Park 104, 1098 XG Amsterdam, The Netherlands
| | - Yuki Nagata
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
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47
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Smit W, Tang F, Nagata Y, Sánchez MA, Hasegawa T, Backus EHG, Bonn M, Bakker HJ. Observation and Identification of a New OH Stretch Vibrational Band at the Surface of Ice. J Phys Chem Lett 2017; 8:3656-3660. [PMID: 28715224 PMCID: PMC5545757 DOI: 10.1021/acs.jpclett.7b01295] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
We study the signatures of the OH stretch vibrations at the basal surface of ice using heterodyne-detected sum-frequency generation and molecular dynamics simulations. At 150 K, we observe seven distinct modes in the sum-frequency response, five of which have an analogue in the bulk, and two pure surface-specific modes at higher frequencies (∼3530 and ∼3700 cm-1). The band at ∼3530 cm-1 has not been reported previously. Using molecular dynamics simulations, we find that the ∼3530 cm-1 band contains contributions from OH stretch vibrations of both fully coordinated interfacial water molecules and water molecules with two donor and one acceptor hydrogen bond.
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Affiliation(s)
| | - Fujie Tang
- Max
Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
- International
Center for Quantum Materials, Peking University, 5 Yiheyuan Road, Haidian, Beijing 100871, China
| | - Yuki Nagata
- Max
Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - M. Alejandra Sánchez
- Max
Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Taisuke Hasegawa
- Department
of Chemistry, Graduate School of Science, Kyoto University, Sakyoku, Kyoto 606-8502, Japan
| | - Ellen H. G. Backus
- Max
Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Mischa Bonn
- Max
Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Huib J. Bakker
- AMOLF, Science Park 104, 1098 XG Amsterdam, The Netherlands
- E-mail:
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48
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Perspectives on the Future of Ice Nucleation Research: Research Needs and Unanswered Questions Identified from Two International Workshops. ATMOSPHERE 2017. [DOI: 10.3390/atmos8080138] [Citation(s) in RCA: 49] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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49
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Hudait A, Allen MT, Molinero V. Sink or Swim: Ions and Organics at the Ice–Air Interface. J Am Chem Soc 2017; 139:10095-10103. [DOI: 10.1021/jacs.7b05233] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Arpa Hudait
- Department of Chemistry, The University of Utah, 315 South 1400 East, Salt Lake City, Utah 84112-0850, United States
| | - Michael T. Allen
- Department of Chemistry, The University of Utah, 315 South 1400 East, Salt Lake City, Utah 84112-0850, United States
| | - Valeria Molinero
- Department of Chemistry, The University of Utah, 315 South 1400 East, Salt Lake City, Utah 84112-0850, United States
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50
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Schwartz AJ, Pollack GH. Ice-Melting Dynamics: The Role of Protons and Interfacial Geometry. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2017; 33:5585-5591. [PMID: 28506064 DOI: 10.1021/acs.langmuir.7b00317] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
The surface of ice plays a significant role in melting. To better understand the role of the surface, we studied the melting of ice using infrared imaging and pH-sensitive dyes. Ice was allowed to melt in baths of water of varying depths. When the ice melted in a high level of room-temperature water, equal to the height of the ice, the conventional melting pattern appeared. When the ice melted in a chamber with a lower water level, the melting pattern was unexpected. Seconds after the ice was placed in the water, localized regions of low-temperature water appeared around the perimeter of the ice. These regions grew radially outward and seemed to originate as streams coming from inside the ice. Those streams contained high concentrations of protons, as indicated by the color change of a pH-sensitive dye initially placed in the water surrounding the ice. This observation, together with the temperature distribution and ice-shape changes during melting implied that the streams may be propelled by protons from inside the ice. In contrast to conventional melting, which progresses from the outer surface inward, the stream-melting pattern implies a melting process originating inside the ice.
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Affiliation(s)
- Andrew J Schwartz
- Department of Bioengineering, University of Washington , Box 355061, Seattle, Washington 98195, United States
| | - Gerald H Pollack
- Department of Bioengineering, University of Washington , Box 355061, Seattle, Washington 98195, United States
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