Probing the effects of 2D confinement on hydrogen dynamics in water and ice adsorbed in graphene oxide sponges

Romanelli, Giovanni; Senesi, R.; Zhang, Xuan

doi:10.1039/c5cp05240h

Cited by 20 publications

(24 citation statements)

References 55 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The DINS study of water and 2D ice adsorbed in GO sponges, performed at T = 293 K and T = 20 K, probed the interaction of aqueous protons with the layered structure of the GO sponge [176]. It was shown that the H dynamics 2D-confined in the GO sponge is quantitatively different from that of water confined in other nanoporous hydrophilic surfaces, such as xerogel, MCM41 and nanotubes, and unlike any other form of water observed so far.…”

Section: Confinement In Nanoporesmentioning

confidence: 96%

See 1 more Smart Citation

Electron-volt neutron spectroscopy: beyond fundamental systems

Andreani

Krzystyniak

Romanelli

et al. 2017

Advances in Physics

Self Cite

141

View full text Add to dashboard Cite

This work provides an up-to-date account of the use of electron-volt neutron spectroscopy in materials research. This is a growing area of neutron science, capitalising upon the unique insights provided by epithermal neutrons on the behaviour and properties of an increasing number of complex materials. As such, the present work builds upon the aims and scope of a previous contribution to this journal back in 2005, whose primary focus was on a detailed description of the theoretical foundations of the technique and their application to fundamental systems [see Andreani et al., Adv. Phys. 54 (2005) p.377] A lot has happened since then, and this review intends to capture such progress in the field. With both expert and novice in mind, we start by presenting the general principles underpinning the technique and discuss recent conceptual and methodological developments. We emphasise the increasing use of the technique as a non-invasive spectroscopic probe with intrinsic mass selectivity, as well as the concurrent use of neutron diffraction and first-principles computational materials modelling to guide and interpret experiments. To illustrate the state of the art, we discuss in detail a number of recent exemplars, chosen to highlight the use of electron-volt neutron spectroscopy across physics, chemistry, biology, and materials science. These include: hydrides and proton conductors for energy applications; protons, deuterons, and oxygen atoms in bulk water; aqueous protons confined in nanoporous silicas, carbon nanotubes, and graphene-related materials; hydrated water in proteins and DNA; and the uptake of molecular hydrogen by soft nanostructured media, promising materials for energy-storage applications. For the primary benefit of the novice, this last case study is presented in a pedagogical and question-driven fashion, in the hope that it will stimulate further work into uncharted territory by newcomers to the field. All along, we emphasise the increasing (and much-needed) synergy between experiments using electron-volt neutrons and contemporary condensed matter theory and materials modelling to compute and ultimately understand neutron-scattering observables, as well as their relation to materials properties not amenable to scrutiny using other experimental probes

show abstract

Section: Confinement In Nanoporesmentioning

confidence: 96%

“…Most recently DINS measurements have also been performed on water and ice confined in hydrated and dried specimens of graphene-oxide (GO) membranes [175] and in 2D GO sponges [176] (see Fig. 23).…”

Section: Confinement In Nanoporesmentioning

confidence: 99%

Electron-volt neutron spectroscopy: beyond fundamental systems

Andreani

Krzystyniak

Romanelli

et al. 2017

Advances in Physics

Self Cite

141

View full text Add to dashboard Cite

show abstract

“…Owing to the increased sensitivity of the new TOSCA+ spectrometer, for example, it has been recently shown that INS can be exquisitely sensitive to chemical composition and the underlying (and disordered) structure of graphene-related materials [ 188 ]. Considerable attention has also been given to the study of other carbon-based substrates with INS [ 189 , 190 , 191 , 192 , 193 ], including hydrogen spillover mechanisms [ 194 , 195 ] or the uptake and intercalation of atomic and molecular species, particularly water [ 196 , 197 , 198 , 199 , 200 ]. In this context, Romanelli et al has used NCS to show that the confinement of water molecules within Graphite Oxide (GO) membranes has a ‘ soft ’ character, with the predominance of non-specific and weak interactions between water and the underlying nanostructured substrate [ 199 ].…”

Section: From Confined Polymers To Soft Supramolecular Frameworkmentioning

confidence: 99%

Dynamics & Spectroscopy with Neutrons—Recent Developments & Emerging Opportunities

2021

View full text Add to dashboard Cite

This work provides an up-to-date overview of recent developments in neutron spectroscopic techniques and associated computational tools to interrogate the structural properties and dynamical behavior of complex and disordered materials, with a focus on those of a soft and polymeric nature. These have and continue to pave the way for new scientific opportunities simply thought unthinkable not so long ago, and have particularly benefited from advances in high-resolution, broadband techniques spanning energy transfers from the meV to the eV. Topical areas include the identification and robust assignment of low-energy modes underpinning functionality in soft solids and supramolecular frameworks, or the quantification in the laboratory of hitherto unexplored nuclear quantum effects dictating thermodynamic properties. In addition to novel classes of materials, we also discuss recent discoveries around water and its phase diagram, which continue to surprise us. All throughout, emphasis is placed on linking these ongoing and exciting experimental and computational developments to specific scientific questions in the context of the discovery of new materials for sustainable technologies.

show abstract

“…In this context, the description of the T -dependent structure of water in terms of the HB properties (life-time, strength, length and angular distri- This paper presents a combined NCS and NMR study of the local order in water in a broad temperature interval from the critical region to the deep supercooled phase. New NCS measurements have been performed in a T range around T * ≃ 315 K. NCS, also known as deep inelastic neutron scattering (DINS), is a unique technique to measure the ground-state dynamics of atomic nuclei [39], routinely used to derive the hydrogen momentum distribution, n(p), and hydrogen mean kinetic energy, ⟨E K ⟩ in liquid water [40] and ice [41,42], heavy water [43], and water confined in porous materials [44,45]. These physical quantities provide information on the local environment of the H nucleus in the HB network [46].…”

Section: Introductionmentioning

confidence: 99%

The onset of the tetrabonded structure in liquid water

Corsaro

Mallamace

Romanelli

et al. 2019

Sci. China Phys. Mech. Astron.

Self Cite

View full text Add to dashboard Cite

Water properties are dominated by the hydrogen bond interaction that gives rise in the stable liquid phase to the formation of a dynamical network. The latter drives the water thermodynamics and is at the origin of its well known anomalies. The HB structural geometry and its changes remain uncertain and still are challenging research subjects. A key question is the role and effects of the HB tetrahedral structure on the local arrangement of neighboring molecules in water. Here the hydrogen dynamics in bulk water is studied through the combined use of Neutron Compton Scattering and NMR techniques. Results are discussed in the framework of previous studies performed in a wide temperature range, in the liquid, solid, and amorphous states. For the first time this combined studies provide an experimental evidence of the onset of the water tetrahedral network at T∼315 K, originally proposed in previous studies of transport coefficients and thermodynamical data; below this temperature the local order in water changes and the lifetime of local hydrogen bond network becomes long enough to gradually develop the characteristic tetrahedral network of water. water, neutron compton scattering, NMR

show abstract

Probing the effects of 2D confinement on hydrogen dynamics in water and ice adsorbed in graphene oxide sponges

Cited by 20 publications

References 55 publications

Electron-volt neutron spectroscopy: beyond fundamental systems

Electron-volt neutron spectroscopy: beyond fundamental systems

Dynamics & Spectroscopy with Neutrons—Recent Developments & Emerging Opportunities

The onset of the tetrabonded structure in liquid water

Contact Info

Product

Resources

About