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Zeitschriftenartikel zum Thema „Surface et interfaces“

Autor: Grafiati

Veröffentlicht am 25. Mai 2024

Zuletzt aktualisiert am 31. Juli 2025

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1

Zdziennicka, Anna, Katarzyna Szymczyk, and Bronisław Jańczuk. "Wettability of Quartz by Ethanol, Rhamnolipid and Triton X-165 Aqueous Solutions with Regard to Its Surface Tension." Colloids and Interfaces 7, no. 4 (2023): 71. http://dx.doi.org/10.3390/colloids7040071.

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The wettability of quartz by different liquids and solutions plays a very important role in practical applications. Hence, the wetting behaviour of ethanol (ET), rhamnolipid (RL) and Triton X-165 (TX165) aqueous solutions with regard to the quartz surface tension was investigated. The investigations were based on the contact angle measurements of water (W), formamide (F) and diiodomethane (D) as well as ET, RL and TX165 solutions on the quartz surface. The obtained results of the contact angle for W, F and D were used for the determination of quartz surface tension as well as its components an

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Cronin, Stephen B. "(Invited) In Situ spectroscopy of Electrocatalytic and Photocatalytic Interfaces." ECS Meeting Abstracts MA2024-01, no. 35 (2024): 1980. http://dx.doi.org/10.1149/ma2024-01351980mtgabs.

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We explore various aspects of electrochemistry and photoelectrochemistry using in situ spectroscopy of electrode (metal) and photoelectrode (semiconductor) interfaces in situ under electrochemical working conditions. These spectroscopies include sum frequency generation (SFG), transient reflectance/absorption spectroscopy (TAS/TRS), and surface enhanced Raman spectroscopy (SERS). Using surface enhanced Raman scattering (SERS) spectroscopy, we monitor local electric fields using Stark-shifts of nitrile-functionalized silicon photoelectrodes.6 We also report several spectroscopic methods for mon

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Boniello, G., A. Stocco, C. Blanc, and M. Nobili. "Comment on “Brownian diffusion of a particle at an air/liquid interface: elastic (not viscous) response of the surface”." Physical Chemistry Chemical Physics 19, no. 33 (2017): 22592–93. http://dx.doi.org/10.1039/c7cp02970e.

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In a recent article Toro-Mendoza et al. considered an elastic response of an interface in order to explain the enhanced lateral drag of solid particles straddling fluid interfaces we recently measured.

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Strmcnik, Dusan, Dzevad K. Kozlica, Milena Martins, et al. "(Invited) Electrocatalysis at Modified Electrochemical Interfaces." ECS Meeting Abstracts MA2024-02, no. 61 (2024): 4116. https://doi.org/10.1149/ma2024-02614116mtgabs.

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Electrochemical energy storage and conversion technologies, which include fuel cells, electrolyzers, batteries, photoelectrochemical devices are at the forefront of the transition to a sustainable future. Although they have all been in use for more than half a century, they are far from reaching their full potential as defined by the laws of thermodynamics. Their performance rests almost entirely on the electrochemical interface - the boundary between the electronic conductor (electrode) and the ionic conductor (electrolyte). The desire of both phases to reduce the surface energy as well as th

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Borrel, Pascale. "Gestes de surface : Touching Reality de Thomas Hirschhorn et What Shall We Do Next? de Julien Prévieux." Interfaces, no. 40 (December 21, 2018): 55–65. http://dx.doi.org/10.4000/interfaces.601.

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6

Favaro, Marco. "(Invited) In Situ Photoelectron Spectroscopy Reveals the Chemical Nature of Semiconductor Surface States." ECS Meeting Abstracts MA2024-01, no. 35 (2024): 1981. http://dx.doi.org/10.1149/ma2024-01351981mtgabs.

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The accessible photovoltage of semiconducting photoabsorbers is typically 0.5-1 V below the theoretically achievable values predicted by the Shockley-Queisser limit [1]. Although the reason for this is still not well understood, surface and interface states within the photoabsorbers energy band gap may play a crucial role as they generally induce Fermi level pinning [2]. Within the PEC community, two key elements have been identified for the maximization of the photovoltage in photoelectrodes for water splitting: (i) the passivation of surface defects which is needed to avoid Fermi level pinni

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Favaro, Marco. "(Invited) In Situ Photoelectron Spectroscopy Reveals the Chemical Nature of Semiconductor Surface States." ECS Meeting Abstracts MA2023-02, no. 48 (2023): 2434. http://dx.doi.org/10.1149/ma2023-02482434mtgabs.

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The accessible photovoltage of semiconducting photoabsorbers is typically 0.5-1 V below the theoretically achievable values predicted by the Shockley-Queisser limit [1]. Although the reason for this is still not well understood, surface and interface states within the photoabsorbers energy band gap may play a crucial role as they generally induce Fermi level pinning [2]. Within the PEC community, two key elements have been identified for the maximization of the photovoltage in photoelectrodes for water splitting: (i) the passivation of surface defects which is needed to avoid Fermi level pinni

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Zdziennicka, Anna, Edyta Rekiel, Katarzyna Szymczyk, Wojciech Zdziennicki, and Bronisław Jańczuk. "Wetting Behaviour of Water, Ethanol, Rhamnolipid, and Triton X-165 Mixture in the Polymer–Solution Drop–Air System." Molecules 28, no. 15 (2023): 5858. http://dx.doi.org/10.3390/molecules28155858.

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Despite the fact that the wetting properties of multicomponent mixtures including the surface active compounds play a very important role in many practical applications, they are not sufficiently known. Thus, the wettability of polytetrafluoroethylene (PTFE) and poly (methyl methacrylate) (PMMA) by the water + ethanol (ET) solution of rhamnolipid (RL) with Triton X-165 (TX165) mixture was studied. The investigations involved measuring the advancing contact angles of this solution on PTFE and PMMA by varying the concentration of TX165 while maintaining a constant concentration of ET and RL. Add

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Fraysse, Kilian, Lixu Huang, Hua Li, et al. "On the Parasitic Surface Adsorption of Pyrrolidinium and Phosphonium-Based Ionic Liquid Preventing Accurate Differential Capacitance Measurements." ECS Meeting Abstracts MA2024-02, no. 57 (2024): 3870. https://doi.org/10.1149/ma2024-02573870mtgabs.

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Ionic Liquids (ILs) have received a substantial interest from the scientific community over the past few decades1, in particular, because of their possible use as electrolytes for battery technology. This wide excitement stems from their known thermal stability and non-volatile nature2 (as opposed to more traditional organic carbonate-based electrolytes) which has led the study of IL to fall under the category of green chemistry3. In a similar fashion to aqueous-based electrolytes, whose bulk properties are fundamentally different from their properties near charged interfaces (giving rise to a

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Howe, J. M. "Quantification of order in the liquid at a solid-liquid interface by high-resolution transmission electron microscopy (HRTEM)." Proceedings, annual meeting, Electron Microscopy Society of America 54 (August 11, 1996): 114–15. http://dx.doi.org/10.1017/s0424820100163034.

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A number of different theoretical approaches have been used to model the atomic structure and properties of solid-liquid interfaces. Most calculations indicate that ordering occurs in the first several layers of the liquid, adjacent to the crystal surface. In contrast to the numerous theoretical investigations, there have been no direct experimental observations of the atomic structure of a solid-liquid interface for comparison. Saka et al. examined solid-liquid interfaces in In and In-Sb at lattice-fringe resolution in the TEM, but their data do not reveal information about the atomic structu

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Qu, Jianzhou, Zhou Yu, and Alexander Urban. "The Mechanism of Hydrogen Evolution Reaction at the Buried Interface of Silica-Coated Electrocatalysts." ECS Meeting Abstracts MA2023-01, no. 36 (2023): 2104. http://dx.doi.org/10.1149/ma2023-01362104mtgabs.

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Semipermeable oxide coatings can protect electrocatalysts in harsh environments without reducing the catalytic performance (Labrador, Esposito et al. ACS Catal. 8, 2018, 1767–1778), making them attractive for direct seawater electrolysis. We recently showed that the buried SiO2/Pt interface of silica-coated platinum electrocatalysts is environment-dependent and changes with the pH value of the electrolyte and the electrode potential (Qu and Urban, ACS Appl. Mater. Interfaces 12, 2020, 52125–52135). Here, we discuss the impact of silica membrane coatings on the hydrogen evolution reaction (HER)

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Huynh, Kenny, Michael Evan Liao, Xingxu Yan, et al. "Stability of Interface Morphology and Thermal Boundary Conductance of Direct Wafer Bonded GaN|Si Heterojunction Interfaces Annealed at Growth and Annealing Temperatures." ECS Meeting Abstracts MA2023-02, no. 33 (2023): 1605. http://dx.doi.org/10.1149/ma2023-02331605mtgabs.

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The properties of thin (~2 um) GaN templates on a silicon support substrate were studied to assess the stability of the direct wafer bonded GaN / Si interface. EVG® ComBond® equipment was used for bonding under high vacuum (~10-8 mtorr) at room temperature to remove unwanted native surface oxides [1,2]. For the bonded samples, the [1010] GaN edge was aligned parallel to the Si [110] edge. An X-ray diffraction reciprocal space map of the (004) Si and (0004) GaN revealed that there is a ~0.2° tilt between the GaN and Si layers and is simply due to the relative miscut between the two wafers. The

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Degoulange, Damien, Raj Pandya, Michael Deschamps, et al. "Micrometer Thick Interfaces in Aqueous Biphasic Systems for Electrochemical Devices." ECS Meeting Abstracts MA2023-01, no. 1 (2023): 460. http://dx.doi.org/10.1149/ma2023-011460mtgabs.

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Aqueous biphasic systems (ABSs) consist of two immiscible phases composed of only one solvent (water) with the phase separation driven by solutes such as polymers, ionic liquids and salts. Such two-phase systems have proved highly relevant in recent years for applications in electrochemical devices. Indeed, highly concentrated solutions of LiTFSI, so called “Water-in-salt” battery electrolyte, were recently found to form an ABS with LiX (with X=Cl, Br, I) aqueous solutions (Dubouis et al., ACS Cent. Sci. 2019, 5, 640-643 and Dubouis et al., J. Phys. Chem. B 2021, 125, 5365-5372). These LiTFSI-

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Listorti, Andrea. "Tin Halide Perovskite Interfaces." ECS Meeting Abstracts MA2025-01, no. 16 (2025): 1194. https://doi.org/10.1149/ma2025-01161194mtgabs.

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Metal halide perovskite (MHPs) solar cells represent a promising newcomer in the front of emerging photovoltaic technologies, therefore a potential player to challenge the dramatic energy crisis and climate change that we are facing. The exceptional properties of MHPs derive from their hybrid organic-inorganic nature, which allows also for low-cost and straightforward processing. Solar cells containing MHPs as absorbing layer have already achieved a power conversion efficiency above 26,5 %, close to the efficiency of silicon-based devices. Nevertheless, a major limitation, still preventing the

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Grunder, Yvonne, Christopher A. Lucas, Yves Joly, and Yvonne Soldo-Olivier. "(Invited) In Situ x-Ray Diffraction Studies of the Atomic Structure and Charge Distribution at the Electrochemical Interface." ECS Meeting Abstracts MA2024-01, no. 46 (2024): 2603. http://dx.doi.org/10.1149/ma2024-01462603mtgabs.

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The presence of specifically adsorbed anions can significantly affect the electrochemical reactivity of a metal electrode which is of major interest for galvanic deposition, etching, corrosion and electrocatalysis. In-situ surface x-ray diffraction has enabled an atomic/molecular-level understanding of the interface under reactive conditions, including its potential and time dependence, to be developed. While information about the atomic structure of the electrode surface in electrochemical in-situ cells has been widely investigated, insight into the charge distribution and the structure of th

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Vivian, Robert. "Interfaces glace-roche et érosion sous-glaciaire." Revue de géographie alpine 76, no. 2 (1988): 207–18. http://dx.doi.org/10.3406/rga.1988.2707.

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Magnussen, Olaf M. "Operando Studies of Electrochemical Interfaces By High-Energy Surface x-Ray Scattering." ECS Meeting Abstracts MA2023-02, no. 55 (2023): 2679. http://dx.doi.org/10.1149/ma2023-02552679mtgabs.

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Knowledge on the atomic-scale structure of the electrode-electrolyte interface is of key importance for understanding electrochemical reactivity. This includes the structure of the atomic layers at the electrode surface, the arrangement of chemisorbed species on the surface, and the near-surface structure of the adjacent electrolyte, i.e., the electrochemical double layer. Surface X-ray scattering (SXRD) methods can provide such information and have been used for decades to obtain important insights into various structural aspects of electrochemical systems. However, conventional SXRD is limit

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Hafidi, K., M. Azizan, Y. Ijdiyaou, and E. L. Ameziane. "Ètude des interfaces SiO2/TiO2 et TiO2/SiO2 dans la structure SiO2/TiO2/SiO2/c-Si préparée par pulvérisation cathodique radio fréquence." Canadian Journal of Physics 85, no. 7 (2007): 763–76. http://dx.doi.org/10.1139/p07-053.

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The atomic structure of the TiO2/SiO2 and SiO2/TiO2 interfaces has been investigated in SiO2/TiO2/SiO2 multilayers deposited by radio frequency reactive sputtering without breaking the vacuum on the crystalline substrate cooled by water. The characterizations of these interfaces have been performed using three complementary techniques sensitive to surface and interface state: X-ray photoelectron spectroscopy (XPS), grazing incidence X-ray diffraction (GIXD), and specular X-ray reflectometry (GIXR). The concentration profiles and Si2p and O1s core level chemical displacements show that TiO2/SiO

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Grunder, Yvonne. "Perspectives and Impact of in-Situ X-Ray Techniques for Electrodeposition." ECS Meeting Abstracts MA2022-02, no. 24 (2022): 1003. http://dx.doi.org/10.1149/ma2022-02241003mtgabs.

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In-situ surface x-ray diffraction has enabled an atomic/molecular-level understanding of the electrochemical interface, including its potential and time dependence, to be developed. [1] Specifically, for electrodeposition the influence of additives and adsorbates onto growth and nucleation behaviour could be established. Halogens on metal surfaces are prototypic adsorbate systems but the adsorption of halide ions especially on copper is also of major importance for on-chip metallization in ULSI microchip production. Halide ions on Cu surfaces form an inhibiting adsorbate layer with polyethylen

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Macak, Jan M., Raul Zazpe, Hanna Sopha, Jhonatan Rodriguez Pereira, and Bilal Bawab. "Atomic Layer Deposition on Anodic TiO₂Nanotubes for Electrochemical Applications." ECS Meeting Abstracts MA2024-02, no. 16 (2024): 1663. https://doi.org/10.1149/ma2024-02161663mtgabs.

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One-dimensional nanomaterials – materials with one dimension outside the nanoscale, further noted as 1D NMs – represent a class of very important nanomaterials with continuously increasing importance. Due to their intrinsic features, unique properties and diversity of functionalities, they count among the most widely studied materials nowadays. While considerable research efforts have been spent to synthesize various 1D NMs (e.g. nanopores, nanotubes or nanofibers), limited efforts have been devoted to surface modification and property tailoring of these materials. However, it is their surface

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Mohseni Armaki, Seyedamirhossein, Majid Ahmadi, Arjan Mol, and Peyman Taheri. "In Situ Probing Electrified Interfacial Molecular Anion Structures at Atomically Flat Gold Electrode." ECS Meeting Abstracts MA2024-02, no. 61 (2024): 4130. https://doi.org/10.1149/ma2024-02614130mtgabs.

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Electrochemical interfaces—buried between electrodes and electrolytes—are notoriously difficult to probe, and enormous efforts, both experimentally and computationally, have been devoted to this endeavour. Although some progress has been made, the microscopic structures of electrochemical interfaces remain elusive and a great challenge in physical sciences.[1] Answering this question is not only of fundamental interest but also of technological importance in a broad range of research areas in science and technology, to name a few, energy storage in supercapacitors, electrocatalysis of relevanc

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Deka, Nipon, and Rik Mom. "Probing of Near-Surface Cations during the Oxygen Evolution Reaction (OER) Using Operando XAS." ECS Meeting Abstracts MA2023-02, no. 55 (2023): 2669. http://dx.doi.org/10.1149/ma2023-02552669mtgabs.

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Electrified solid-liquid interfaces are ubiquitous in technologies ranging from colloidal science to electrochemistry. Hence, an atomic-level characterization of the electrode-electrolyte interface is crucial for total control and optimization of the processes involved. While the electrode side of the interface has been quite extensively studied, the electrolyte side is comparatively poorly understood1. Specifically probing the near-surface electrolyte species during an electrochemical reaction is a major technical challenge in the field of catalysis and surface chemistry. We have developed an

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Chau, Allison L., Jonah Rosas, George D. Degen, et al. "Correction: Aqueous surface gels as low friction interfaces to mitigate implant-associated inflammation." Journal of Materials Chemistry B 8, no. 42 (2020): 9813. http://dx.doi.org/10.1039/d0tb90177f.

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Baeumer, Christoph. "(Invited) Electrochemistry Happens at the Interface." ECS Meeting Abstracts MA2023-02, no. 67 (2023): 3208. http://dx.doi.org/10.1149/ma2023-02673208mtgabs.

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Earth-abundant, active, selective and stable electrocatalysts are the cornerstone in our transition to defossilisation of the chemical industry, sector coupling, and sustainable energy. The catalyst surface is known to transform at the interface to the electrolyte, especially under operation conditions. Only the properties of the transformed interface coupled to the underlying layer gives rise to observed metrics like activity and stability. This complicates predictive electrocatalyst materials design – a challenge which can only be tackled by collaborative and interdisciplinary efforts, at th

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Pimponi, D., M. Chinappi, P. Gualtieri, and C. M. Casciola. "Hydrodynamics of flagellated microswimmers near free-slip interfaces." Journal of Fluid Mechanics 789 (January 22, 2016): 514–33. http://dx.doi.org/10.1017/jfm.2015.738.

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The hydrodynamics of a flagellated micro-organism is investigated when swimming close to a planar free-slip surface by means of numerical solutions of the Stokes equations obtained via a boundary element method. Depending on the initial conditions, the swimmer can either escape from the free-slip surface or collide with the boundary. Interestingly, the micro-organism does not exhibit a stable orbit. Independently of escape or attraction to the interface, close to a free-slip surface, the swimmer follows a counter-clockwise trajectory, in agreement with experimental findings (Di Leonardo et al.

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Makiura, Rie. "(Invited) air/Liquid Interfacial Formation Process of Electrically Conductive Metal-Organic Framework Nanosheets." ECS Meeting Abstracts MA2024-02, no. 37 (2024): 2551. https://doi.org/10.1149/ma2024-02372551mtgabs.

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Development of rational methods for creating ordered two-dimensional (2D) structures with nanometer scale precision is one of the central issues in the nanoscience and nanotechnology fields because of their intrinsic physical-chemical properties which are seen in those of their equivalent bulk state. Inclusion of highly regulated nanopores into the nanosheet structure will further open the possible applications such as nanosieves, molecular/ion storage and sensor devices as well as introducing guest molecules into the nanopores tune variedly the sheet properties (electric conduction, nanoheter

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Listorti, Andrea, Sara Covella, Alberto Perrotta, et al. "(Invited) Plasma Processes on Metal Halide Perovskite Interfaces for Photovoltaic Applications." ECS Meeting Abstracts MA2023-01, no. 14 (2023): 1342. http://dx.doi.org/10.1149/ma2023-01141342mtgabs.

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Metal Halide Perovskite (MHP) semiconductors are currently standing out for their exceptional optoelectronic properties and, particularly, for their exploitation in photovoltaics. Their structure can be described by the formula , where A is usually an organic cation, such as methylammonium (MA) or formamidinium (FA), B is a metal cation and X is a halogen anion, typically I or Br. The exceptional properties of MHPs derive by their hybrid organic-inorganic nature, which also allows for low-cost fabrication processing. The raise of perovskite photovoltaics 1 followed progresses on three main res

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Temperton, Robert, Mattia Scardamaglia, Suyun Zhu, and Andrey Shavorskiy. "Soft X-Ray Operando Characterization of Electrochemical Interfaces." ECS Meeting Abstracts MA2023-02, no. 55 (2023): 2667. http://dx.doi.org/10.1149/ma2023-02552667mtgabs.

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HIPPIE is a high-flux, high-resolution soft x-ray beamline at MAX IV Laboratory (Sweden) with a new dedicated experimental setup for operando studies of electrochemical interfaces.[1] Such experiments utilize the dip-and-pull method to form a thin liquid meniscus on the surface of the working electrode in a three-electrode cell with a liquid electrolyte solution. Both the liquid film itself and the electrode-electrolyte interface can then be probed using X-ray photoelectron spectroscopy (PES) whilst maintaining full electrochemical control. The technique can be used to probe oxidation state ch

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Dravid, Vinayak P. "Bicrystallography and electron diffraction." Proceedings, annual meeting, Electron Microscopy Society of America 51 (August 1, 1993): 702–3. http://dx.doi.org/10.1017/s0424820100149349.

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Traditionally grain (or phase) boundaries have been modelled using coincidence site lattice (CLS)-type geometrical treatments. However, CSL utilizes only the latticetranslational symmetry of the crystals and is not applicable to nonsymmorphic crystals or in cases where the point group symmetry elements are important. Pond and coworkers, in an elegant series of papers proposed a complete geometric description of bicrystal containing an interface, i.e. bicrystallography. The use and application of bicrystallography has important implications for interface/surface structure, thin film growth and

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Wakamiya, Atsushi. "(Invited) Modification of Perovskite Layer for Efficient Perovskite Solar Cells." ECS Meeting Abstracts MA2024-02, no. 19 (2024): 1723. https://doi.org/10.1149/ma2024-02191723mtgabs.

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Perovskite solar cells are expected as promissing photovoltaics, offering a path to highly efficient solar energy conversion.1–4 Surface modification of perovskite layer is crucial to improve device performance and durability. In this talk, our recent progress on the development of charge collecting materials and surface modification with dipole strategy will be shown. Optimized Carrier Extraction at Interfaces 4-7 Carrier extraction in mixed tin–lead perovskite solar cells is improved by modifying the top and bottom perovskite surfaces with ethylenediammonium diiodide and glycine hydrochlorid

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Sartori, Andrea, Olaf M. Magnussen, and Bridget Murphy. "Role of Chemisorbing Species in Growth at Liquid Metal-Electrolyte Interfaces Revealed by in Situ X-Ray Scattering." ECS Meeting Abstracts MA2023-02, no. 55 (2023): 2666. http://dx.doi.org/10.1149/ma2023-02552666mtgabs.

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Liquid-liquid interfaces offer intriguing possibilities for nanomaterials growth. Especially, growth at liquid metal surfaces has recently received renewed interest. Here, fundamental interface-related mechanisms that control the growth behavior in these systems are studied for the case of Pb halide compound formation at the interface between liquid mercury electrode and aqueous salt solutions, using in situ X-ray reflectivity and grazing incidence X-ray diffraction, supplemented by electrochemical measurements and optical microscopy. The nucleation and growth of these compounds at potentials

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Wang, Xuehang. "(Invited) Revealing Charge Storage Processes at the Interfaces of Supercapacitor Electrodes." ECS Meeting Abstracts MA2023-02, no. 5 (2023): 861. http://dx.doi.org/10.1149/ma2023-025861mtgabs.

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The fast development of electrochemical energy storage devices has revolutionized almost every aspect of modern life by enabling portable electronic devices, electric vehicles, and grid storage of renewable energy. To satisfy the growing industrial and consumer needs for energy storage systems with high output power and short recharge time, the electrode materials should have excellent high-rate performance.1 Electrical double-layer (EDL) capacitors exhibit high-rate capability and long-cycling life as they store charges electrostatically. Using ionic liquid (IL) as the electrolyte leads to a

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Yanina, Svetlana V., Matthew T. Johnson, Zhigang Mao, and C. Barry Carter. "On Devitrification of Monticellite (CaMgSiO4) Films Grown on (001)-Oriented Single-Crystal MgO." Microscopy and Microanalysis 4, S2 (1998): 590–91. http://dx.doi.org/10.1017/s1431927600023072.

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Silicate glasses are the most common constituents of intergranular phases which can be found in liquid-phase sintered ceramics [1]. Silicates are known to influence the structure of ceramic interfaces which, in turn, frequently affect mechanical properties of ceramic materials [2]. In earlier studies of silicate glasses on single-crystal alumina Ramamurthy et al [3] and Mallamaci [4] showed that the morphology of dewetted glass films and the mechanism of devitrification depend on the crystallographic orientation of the substrate surface. In continuation of these studies, results are presented

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Martin, Nazario. "Gem-Dibromovinylenes: Highly Versatile Systems for On-Surface Synthesis." ECS Meeting Abstracts MA2024-01, no. 16 (2024): 1189. http://dx.doi.org/10.1149/ma2024-01161189mtgabs.

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The advent of the so-called On-Surface synthesis represents a new scenario where testing new reaction conditions affording disruptive materials impossible to be obtained by conventional synthetic chemistry. In this regard, we have reported an unprecedented chemical reaction from tetrabromo-p-quinodimethanes (TBQs) which, by heating on gold surface, has allowed to obtain a variety of new 1D π-conjugated polymers,[1] some of them exhibiting a quasimetallic behavior.[2] In this presentation, new designed organic molecules endowed with gem-dibromovinylene units have been synthesized with the aim o

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GLIMM, TILMANN, and H. G. E. HENTSCHEL. "ON ISOCONCENTRATION SURFACES OF THREE-DIMENSIONAL TURING PATTERNS." International Journal of Bifurcation and Chaos 18, no. 02 (2008): 391–406. http://dx.doi.org/10.1142/s0218127408020355.

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We consider three-dimensional Turing patterns and their isoconcentration surfaces corresponding to the equilibrium concentration of the reaction kinetics. We call these surfaces equilibrium concentration surfaces (EC surfaces). They are the interfaces between the regions of "high" and "low" concentrations in Turing patterns. We give alternate characterizations of EC surfaces by means of two variational principles, one of them being that they are optimal for diffusive transport. Several examples of EC surfaces are considered. Remarkably, they are often very well approximated by certain minimal

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Liu, Yang, Yuxiao He, Enbo Zhu, Jin Huang, and Yu Huang. "Periodic 1D Assembly of Diblock Hetero-Nanowires As Tandem Electrocatalysts." ECS Meeting Abstracts MA2024-02, no. 67 (2024): 4670. https://doi.org/10.1149/ma2024-02674670mtgabs.

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There has been a growing interest in tandem electrocatalysts with unique interfaces and synergetic functions, which have been reported to exhibit outstanding performance in activity[1], selectivity[2], and stability[3]. Besides the development of monolithic tandem nanostructures, nanoparticle (NP) assembly provides a more desirable and controllable strategy to elaborately design novel nanocatalysts for various applications. Compared with two-dimensional (2D) and 3D tandem nanostructures, 1D tandem nanostructures have attracted more interest due to their high electrochemical surface areas, grea

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Huynh, Kenny, Michael Evan Liao, Thomas Pfeifer, et al. "Improved Thermal Boundary Conductance in Annealed Direct Wafer Bonded Si-Ge." ECS Meeting Abstracts MA2023-02, no. 33 (2023): 1606. http://dx.doi.org/10.1149/ma2023-02331606mtgabs.

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The evolution of structural and thermal properties of wafer bonded Si|Ge with annealing is investigated in this study. Theoretical work suggests that the thermal boundary conductance between amorphous Si and Ge provide improved thermal properties as compared to a crystalline Si to Ge interface, and wafer bonded systems provides a fabrication method to experimentally test this theory [1]. EVG® ComBond® equipment was used for bonding under high vacuum (~10-8 mtorr) at room temperature to remove unwanted native surface oxides [2-4]. The bombardment of the surfaces prior to bonding produces an amo

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BANNER, MICHAEL L., and WILLIAM L. PEIRSON. "Tangential stress beneath wind-driven air–water interfaces." Journal of Fluid Mechanics 364 (June 10, 1998): 115–45. http://dx.doi.org/10.1017/s0022112098001128.

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The detailed structure of the aqueous surface sublayer flow immediately adjacent to the wind-driven air–water interface is investigated in a laboratory wind-wave flume using particle image velocimetry (PIV) techniques. The goal is to investigate quantitatively the character of the flow in this crucial, very thin region which is often disrupted by microscale breaking events. In this study, we also examine critically the conclusions of Okuda, Kawai & Toba (1977), who argued that for very short, strongly forced wind-wave conditions, shear stress is the dominant mechanism for transmitting the

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Kim, Kyung Sung, Moo Hyun Kim, and Jong-Chun Park. "Development of Moving Particle Simulation Method for Multiliquid-Layer Sloshing." Mathematical Problems in Engineering 2014 (2014): 1–13. http://dx.doi.org/10.1155/2014/350165.

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The mixed oil and gas including water and sand are extracted from well to offshore structure. This mixed fluid must be separated for subsequent processes by using wash tanks or separators. To design such a system, a proper numerical-prediction tool for multiphase fluids is required. In this regard, a new moving particle simulation (MPS) method is developed to simulate multiliquid-layer sloshing problems. The new MPS method for multifluid system includes extra search methods for interface particles, boundary conditions for interfaces, buoyancy-correction model, and surface-tension model for int

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Olejnik, Adrian, Michal Sobaszek, Maria Brzhezinskaya, Mateusz Ficek, and Robert Bogdanowicz. "Electrochemistry and Electronic Structure of the Deuterium-Grown Boron-Doped Diamond Interfaces." ECS Meeting Abstracts MA2023-02, no. 57 (2023): 2784. http://dx.doi.org/10.1149/ma2023-02572784mtgabs.

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Integration of the first principles quantum mechanical simulations with electrochemistry represents a difficult research area due to the complexity and large size of real systems and computational limitations. On the one hand it is highly desirable to be able to predict electrochemical properties of materials and systems from simulations to limit the money expenditure for experimental work and accelerate applications [1]. On the other hand, utilization of ab-initio simulations to understand the experimentally observed phenomena is also required to embed them into a solid theoretical framework.

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Lomonaco, Quentin, Karine Abadie, Jean-Michel Hartmann, et al. "Soft Surface Activated Bonding of Hydrophobic Silicon Substrates." ECS Meeting Abstracts MA2023-02, no. 33 (2023): 1601. http://dx.doi.org/10.1149/ma2023-02331601mtgabs.

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Surface Activated Bonding (SAB) is interesting for strong silicon to silicon bonding at room temperature without any annealing needed, afterwards (1). Although it is a well-known technique, the activation step, in particular, is scarcely documented. This paper offers insights about the impact of soft activation parameters on the amorphous region at the bonding interface. In addition, the adherence energy of hydrophobic silicon bonding with SAB is quantified to better understand bonding mechanisms. With very low dose and acceleration activation parameters, the surface preparation prior to bondi

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Soligo, Giovanni, Alessio Roccon, and Alfredo Soldati. "Breakage, coalescence and size distribution of surfactant-laden droplets in turbulent flow." Journal of Fluid Mechanics 881 (October 24, 2019): 244–82. http://dx.doi.org/10.1017/jfm.2019.772.

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In this work, we compute numerically breakage/coalescence rates and size distribution of surfactant-laden droplets in turbulent flow. We use direct numerical simulation of turbulence coupled with a two-order-parameter phase-field method to describe droplets and surfactant dynamics. We consider two different values of the surface tension (i.e. two values for the Weber number, $We$, the ratio between inertial and surface tension forces) and four types of surfactant (i.e. four values of the elasticity number, $\unicode[STIX]{x1D6FD}_{s}$, which defines the strength of the surfactant). Stretching,

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Zazpe, Raul, Hanna Sopha, Mouli Thalluri, et al. "(Invited) Atomic Layer Deposition on 1D Nanomaterials for Various Applications." ECS Meeting Abstracts MA2023-02, no. 29 (2023): 1441. http://dx.doi.org/10.1149/ma2023-02291441mtgabs.

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One-dimensional nanomaterials – materials with one dimension outside the nanoscale, further noted as 1D NMs – represent a class of very important nanomaterials with continuously increasing importance. Due to their intrinsic features, unique properties and diversity of functionalities, they count among the most widely studied materials nowadays. While considerable research efforts have been spent to synthesize various 1D NMs (e.g. nanopores, nanotubes or nanofibers), limited efforts have been devoted to surface modification and property tailoring of these materials. However, it is their surface

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Boz, Emre Burak, Ronald de Bruijne, and Antoni Forner-Cuenca. "Exploring Conductive Polymer Coatings to Target Reaction Selectivity in Aqueous All-Iron Redox Flow Batteries." ECS Meeting Abstracts MA2023-02, no. 59 (2023): 2888. http://dx.doi.org/10.1149/ma2023-02592888mtgabs.

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An energy grid that relies on wind and solar farms requires the installation of large-scale energy storage systems to balance their fluctuating output. Especially for developing countries, wide adoption of renewables is coupled to progress in sustainable and cost-effective storage technologies.1 From this perspective, aqueous all-iron redox flow batteries (AIRFBs) stand out as a promising technology, owing to the earth-abundance and low-cost of iron, along with its environmental and operational safety. In this battery, iron is utilized in its three oxidation states (Fe0, Fe2+ and Fe3+) and the

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Rapisarda, Matteo, Mattia Scagliotti, Antonio Valletta, Silvia Milita, and Luigi Mariucci. "(Invited) Influence of the Semiconductor Thin Film Morphologies on Dntt Organic Electronic Devices Performances." ECS Meeting Abstracts MA2024-01, no. 31 (2024): 1543. http://dx.doi.org/10.1149/ma2024-01311543mtgabs.

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Interest in organic semiconductors has grown enormously in the last few years, indeed their use in microelectronics is continuously rising up in a large range of fields, spanning from academic to industrial new applications [1]. They provide a large number of interesting properties that have pushed a gradual replacement of classical amorphous silicon-based devices with organic ones [2], as they promise to be the best candidates as drivers of the necessary green and digital transition and become the building blocks in a huge number of future applications. In most devices, particularly in OTFTs,

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Minamimoto, Hiro, Futa Shiga, and Minoru Mizuhata. "(Invited) Changes in Electric Double-Layer Structures Under Localized Surface Plasmon Excitation." ECS Meeting Abstracts MA2024-01, no. 35 (2024): 1951. http://dx.doi.org/10.1149/ma2024-01351951mtgabs.

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For the visible light energy conversion, the localized surface plasmon resonance (LSPR), which is the collective oscillations of free electrons, should be promising. With the excitation of LSPR, the highly localized electric field generates in the vicinity of metal nanostructures. It is interesting that various unique photo-response properties, such as chemical reactions or molecular excitations, can be observed due to the enhancement of light-matter interaction.[1] To understand and control such mediated chemical reactions or electrochemical reactions, the precise understanding about the elec

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Ngene, Peter. "Interface Induced Fast Ion Conduction in Complex Hydride/Oxide Nanocomposites: Interplay between Hydride and Oxide Properties." ECS Meeting Abstracts MA2023-02, no. 5 (2023): 886. http://dx.doi.org/10.1149/ma2023-025886mtgabs.

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Solid-state electrolytes are crucial for next generation batteries with high energy density, long lasting and improved safety. The compatibility of most solid electrolytes with metallic anodes such as Li and Na metals, and cathodes such as sulfur, makes them suitable for high-capacity batteries (e.g., Li-S). They also address the safety concerns of current batteries by eliminating the flammable organic solvents in liquid electrolytes and by preventing/limiting dendrite formation. The lithium and sodium containing complex metal hydrides (e.g., LiBH4, NaBH4, LiCB11H12) have recently gained atten

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Das, Prodip. "(Invited, Digital Presentation) Tuning Gas-Diffusion-Layer Surface Wettability for Polymer Electrolyte Fuel Cells." ECS Meeting Abstracts MA2022-01, no. 38 (2022): 1709. http://dx.doi.org/10.1149/ma2022-01381709mtgabs.

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In the present scenario of a global initiative toward securing global net-zero by mid-century and keeping 1.5 degrees within reach, polymer-electrolyte fuel cells (PEFCs) are considered to play an important role in the energy transition, particularly for the decarbonization of transit buses, trucks, rail transport, ships and ferries, and the residential heating sector. However, PEFCs are not economically competitive with the internal combustion engine powertrains [1]. Moreover, their durability standards in widely varying conditions have yet to be established and water management remains a cri

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Vullev, Valentine I. "(Invited) Pushing Electrons Across Interfaces: Dipoles, Ions and Traps." ECS Meeting Abstracts MA2025-01, no. 16 (2025): 1211. https://doi.org/10.1149/ma2025-01161211mtgabs.

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Photoinduced interfacial charge transfer (CT) is crucially important for energy conversion, catalysis, electronics, and photonics. The polarity of the local environment and the electronic coupling through the media at the interfaces define the CT thermodynamics and kinetics. Direct-band semiconductor nanoparticles (NPs) with sizes smaller than their exciton Bohr radii, i.e., quantum dots (QDs), are excellent light absorbers with capabilities to initiate charge separation essential for photovoltaics, catalysis and sensing. The organic ligands forming the coating layer of a nanomaterial, therefo

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TONG, S. Y., HUA LI, and H. HUANG. "SURFACE CRYSTALLOGRAPHY BY INVERTING DIFFRACTION SPECTRA." Surface Review and Letters 01, no. 02n03 (1994): 303–18. http://dx.doi.org/10.1142/s0218625x9400031x.

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New ideas on how to invert electron diffraction spectra to produce the atomic coordinates of surface region atoms are reviewed in this article. Some of the ideas are borrowed from optical holography while others are invented to deal with the strong multiple scattering and angular anisotropies present in electron diffraction in solids. The examples and references given in this and the accompanying two articles (by Heinz et al. and Wei et al. respectively) demonstrate that surface crystallography by data inversion is a viable method for a number of commonly used surface diffraction techniques.

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