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Related papers: Proton dynamics in water confined at the interface…

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Despite widespread interest, a detailed understanding of the dynamics of proton transfer at interfaces is lacking. Here we use ab initio molecular dynamics to unravel the connection between interfacial water structure and proton transfer…

Materials Science · Physics 2014-03-12 Gabriele Tocci , Angelos Michaelides

Water's ability to autoionize into hydroxide and hydronium ions profoundly influences surface properties, rendering interfaces either basic or acidic. While it is well-established that protons show an affinity to the air-water interface, a…

Chemical Physics · Physics 2025-02-05 Xavier R. Advincula , Kara D. Fong , Angelos Michaelides , Christoph Schran

Recent experimental reports on in-plane proton conduction in reduced graphene oxide (rGO) films open a new way for the design of proton exchange membrane essential in fuel cells and chemical filters. At high humidity condition, water…

Materials Science · Physics 2018-09-19 Gum-Chol Ri , Jin-Song Kim , Chol-Jun Yu

There is a long-standing question about the molecular configuration of interfacial water molecules in the proximity of solid surfaces, particularly carbon atoms which play a crucial role in electrochemistry and biology. In this study, the…

Statistical Mechanics · Physics 2021-03-03 Iman Ahmadabadi , Ali Esfandiar , Ali Hassanali , Mohammad Reza Ejtehadi

Solar water splitting has received a lot of attention due to its high efficiency and clean energy production potential. Herein, based on the band alignment principle, the g-C3N4/TiO2-B(001) heterostructure is strategically designed, then a…

Materials Science · Physics 2025-06-06 Shuhan Tang , Qi Jiang , Shuang Qiu , Hanyang Ji , Xiaojie Liu

Understanding the dynamic nature of the semiconductor-water interface is crucial for developing efficient photoelectrochemical water splitting catalysts, as it governs reactivity through charge and mass transport. In this study, we employ…

Chemical Physics · Physics 2024-05-03 Sagarmoy Mandal , Tushar Kanti Ghosh

Because of the dominant role of the surface of molecules and their individuality, molecules behave dis-tinctively in a confined space, which has far-reaching implications in many physical, chemical and bio-logical systems. Here, we…

Mesoscale and Nanoscale Physics · Physics 2014-04-29 DaeEung Lee , Gwanghyun Ahn , Sunmin Ryu

This work describes the behaviour of water molecules in 1-butyl-3-methylimidazolium tetrafluoroborate ionic liquid under nanoconfinement between graphene sheets. By means of molecular dynamics simulations, an adsorption of water molecules…

The magnitude of the pH of the surface of water continues to be a contentious topic in the physical chemistry of aqueous interfaces. Recent theoretical studies have shown little or no preference for the proton to be at the surface compared…

Soft Condensed Matter · Physics 2017-08-02 Federico Giberti , Ali A. Hassanali

We investigate the dynamics of water confined in soft ionic nano-assemblies, an issue critical for a general understanding of the multi-scale structure-function interplay in advanced materials. We focus in particular on hydrated…

Materials Science · Physics 2017-08-23 Quentin Berrod , Samuel Hanot , Armel Guillermo , Stefano Mossa , Sandrine Lyonnard

Hydrogen bond patterns, proton ordering, and phase transitions of monolayer ice in two-dimensional hydrophobic confinement are fundamentally different from those found for bulk ice. To investigate the behavior of quasi-2D ice, we perform…

Chemical Physics · Physics 2019-01-15 Shujuan Li , Burkhard Schmidt

The proton dynamics of a 2D water monolayer confined inside a graphene slit pore is studied in Cartesian and molecular frames of reference using molecular dynamics simulations. The vibrational density of states of the proton was calculated…

Mesoscale and Nanoscale Physics · Physics 2021-09-24 Mohd Moid , Yacov Finkelstein , Raymond Moreh , Prabal K Maiti

Aqueous radiation chemistry emerges through ultrafast proton transfer and ion-radical formation with unexplored energy-redistribution dynamics steering the subsequent reactions. We performed time-resolved disruptive probing on pure water…

Friction is one of the main sources of dissipation at liquid water/solid interfaces. Despite recent progress, a detailed understanding of water/solid friction in connection with the structure and energetics of the solid surface is lacking.…

Mesoscale and Nanoscale Physics · Physics 2015-03-19 Gabriele Tocci , Laurent Joly , Angelos Michaelides

Molecular dynamics simulations are carried out to explore the dynamical crossover phenomenon in strongly confined and mildly supercooled water in graphene oxide nanopores. In contrast to studies where confinement is used to study the…

Soft Condensed Matter · Physics 2020-03-09 Rajasekaran M , K. Ganapathy Ayappa

Water mediates electrostatic interactions via the orientation of its dipoles around ions, molecules, and interfaces. This induced water polarization consequently influences multiple phenomena. In particular, water polarization modulated by…

Fast slip flow was reported for water inside the interlayer gallery between graphene layers or carbon nanotubes. We report here that this flow rate enhancement (over two orders) breaks down with the presence of chemical functionalization…

Mesoscale and Nanoscale Physics · Physics 2014-06-05 Ning Wei , Zhiping Xu

By using first-principles calculations, the electronic structure of planar and strained in-plane graphene/silicene heterostructure is studied. The heterostructure is found to be metallic in a strain range from -7% (compression) to +7%…

Materials Science · Physics 2017-01-30 Andrey A Kistanov , Yongqing Cai , Yong-Wei Zhang , Sergey V Dmitriev , Kun Zhou

Understanding water behaviour on 2D materials is crucial for sensing, microfluidics, and tribology. While water/graphene interactions are well studied, water on hexagonal boron nitride (h-BN) remains largely unexplored. Despite structural…

Mesoscale and Nanoscale Physics · Physics 2025-11-26 Philipp Seiler , Anthony Payne , Neubi F. Xavier , Louie Slocombe , Marco Sacchi , Anton Tamtögl

Water behaves very differently at surfaces and under extreme confinement, but the boundary between these two regimes has remained unclear. Despite evidence that interfacial effects persist under sub-nanometre confinement, the…

Chemical Physics · Physics 2025-12-15 Xavier R. Advincula , Christoph Schran , Angelos Michaelides
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