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A novel system containing nanoporous materials and carbonate ions is proposed, which is capable to capture CO2 from ambient air simply by controlling the amount of water (humidity) in the system. The system absorbs CO2 from the air when the…

Chemical Physics · Physics 2017-02-02 Xiaoyang Shi , Hang Xiao , Xi Chen , Klaus. S. Lackner

An understanding of the CO$_2$ + H$_2$O hydration reaction is crucial for modeling the effects of ocean acidification, for enabling novel carbon storage solutions, and as a model process in the geosciences. While the mechanism of this…

Chemical Physics · Physics 2025-07-08 Samuel G. H. Brookes , Venkat Kapil , Angelos Michaelides , Christoph Schran

Understanding the hydration and diffusion of ions in water at the molecular level is a topic of widespread importance. The ammonium ion (NH$_4^+$) is an exemplar system that has received attention for decades because of its complex…

Computational Physics · Physics 2025-01-14 Jianqing Guo , Liying Zhou , Andrea Zen , Angelos Michaelides , Xifan Wu , Enge Wang , Limei Xu , Ji Chen

Recent experiments measuring the electrical conductivity of DNA molecules highlight the need for a theoretical model of ion transport along a charged surface. Here we present a simple theory based on the idea of unbinding of ion pairs. The…

Soft Condensed Matter · Physics 2009-10-23 Brian Skinner , M. S. Loth , B. I. Shklovskii

The development of scalable, energy-efficient carbon dioxide capture technologies is critical for achieving net-zero emissions. Moisture swing sorbents offer a promising alternative to traditional thermal regeneration methods by enabling…

Carbon dioxide (CO$_2$) sequestration in saline aquifers has been introduced as one of the most practical, long-term, and safe solutions to tackle a growing threat originating from the emission of CO$_2$. Successfully executing and planning…

Mesoscale and Nanoscale Physics · Physics 2021-09-07 Sina Omrani , Mehdi Ghasemi , Saeed Mahmoodpour , Ali Shafiei , Behzad Rostami

Density Functional Theory calculations are used to investigate the role of substrate-induced cooperative effects on the adsorption of water on a partially oxidized transition metal surface, O(2x2)/Ru(0001). Focussing particularly on the…

Materials Science · Physics 2015-05-19 Pepa Cabrera-Sanfelix , M. V. Fernández-Serra , A. Arnau , D. Sánchez-Portal

The long-timescale behavior of adsorbed carbon monoxide on the surface of amorphous water ice is studied under dense cloud conditions by means of off-lattice, on-the-fly, kinetic Monte Carlo simula- tions. It is found that the CO mobility…

Astrophysics of Galaxies · Physics 2014-01-08 L. J. Karssemeijer , S. Ioppolo , M. C. van Hemert , A. van der Avoird , M. A. Allodi , G. A. Blake , H. M. Cuppen

We investigated theoretically water evaporation from concentrated supramolecular mixtures, such as solutions of polymers or amphiphilic molecules, using numerical resolutions of a one dimensional model based on mass transport equations.…

Soft Condensed Matter · Physics 2017-10-25 Jean-Baptiste Salmon , Frédéric Doumenc , Béatrice Guerrier

The effect of humidity on the cooperative adsorption of CO2 from air on amine appended metal organic frameworks is studied both experimentally and theoretically. Breakthrough experiments show that at low relative humidities there is an…

Soft Condensed Matter · Physics 2024-07-25 Bennett Marshall , Pavel Kortunov , Aaron Peters , Hilda Vroman

We present a computational study into the adsorption properties of CO$_2$ on amorphous and crystalline water surfaces under astrophysically relevant conditions. Water and carbon dioxide are two of the most dominant species in the icy…

Astrophysics of Galaxies · Physics 2017-09-13 L. J. Karssemeijer , G. A. de Wijs , H. M. Cuppen

The humidity sensitivity of n-type strontium-hexaferrite semiconductors, X-type (Sr2Co2Fe28O46) and Z-type (Sr3Co2Fe24O41), are investigated at room temperature. The contact and reactions between water and material surface are demonstrated…

Materials Science · Physics 2016-08-11 Hui-Feng Zhang , Jian Li , Gang-Qin Shao , Zhen-Sheng Gao , Jin-Hua Liu , H. -N. Girish

Understanding interfacial phenomena in confined systems is important for optimizing CO2 capture technologies. Here, we present a comprehensive investigation of CO2 adsorption in hydrated amorphous silica nanopores through an integrated…

Materials Science · Physics 2025-02-12 Jihong Shi , Tao Zhang , Shuyu Sun , Liang Gong

Theoretical and observational investigations have indicated that the abundance of carbon monoxide (CO) is very sensitive to intrinsic properties of the gaseous medium, such as density, metallicity, and the background UV field. In order to…

Astrophysics of Galaxies · Physics 2015-05-20 Rahul Shetty , Simon C. Glover , Cornelis P. Dullemond , Ralf S. Klessen

Ion transport within confined environments, like nanopores and nanotubes, is pivotal for advancing a range of applications, including biosensors, seawater desalination, and energy storage devices. Existing research does not sufficiently…

Mesoscale and Nanoscale Physics · Physics 2023-12-01 Zhenyu Wei , Yunfei Chen

The solvation of carbon monoxide (CO) in liquid water is important for understanding its toxicological effects and biochemical roles. In this paper, we use ab initio molecular dynamics (AIMD) and CCSD(T)-F12 calculations to assess the…

Chemical Physics · Physics 2017-01-31 Ernest Awoonor-Williams , Christopher N. Rowley

We study the effects of H2O on CO2 adsorption in an amine-appended variant of the metal-organic framework Mg2(dobpdc), which is known to exhibit chaining behavior that presents in a step-shaped adsorption isotherm. We first show how the…

Materials Science · Physics 2025-05-28 Jonathan R. Owens , Bojun Feng , Jie Liu , David Moore

The dissolution and subsequent mass transfer of carbon dioxide gas into liquid barriers plays a vital role in many environmental and industrial applications. In this work, we study the downward dissolution and propagation dynamics of CO2…

CuI has been recently rediscovered as a p-type transparent conductor with a high figure of merit. Even though many metal iodides are hygroscopic, the effect of moisture on the electrical properties of CuI has not been clarified. In this…

Applied Physics · Physics 2020-06-18 Andrea Crovetto , Hannes Hempel , Marin Rusu , Leo Choubrac , Danny Kojda , Klaus Habicht , Thomas Unold

We present a 2D lattice model of water to study the effects of ion hydration on the properties of water. We map the water molecules as lattice particles consisting of a single Oxygen at the center of a site and two Hydrogen atoms on each…

Soft Condensed Matter · Physics 2015-11-12 S. Dutta , Yongjin Lee , Y. S. Jho
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