849 citations · 3.7k across the 25 of their papers we have counts for
25 papers
Electrostatic control of Li+ density and transport rate in double-gated van der Waals devices
E. Hoenig, X. Zhang, C. Li +7
Ion transport in crystalline hosts is controlled by an applied potential that simultaneously sets ionic distribution and transport rate, restricting operation to a one-dimensional…
Layer-selective hydrogenation and proton transport in twisted bilayer graphene
J. Tong, G. Chen, H. Li +13
Recent work investigated graphene's hydrogenation with independent control of the electric field, E, and charge density, n, in the crystal and showed that the process is controlled…
Tuneable ion selectivity in vermiculite membranes intercalated with unexchangeable ions
Zhuang Liu, Yumei Tan, Jianhao Qian +8
Membranes selective to ions of the same charge are increasingly sought for wastewater processing and valuable element recovery. However, while narrow channels are known to be essen…
Mechanism of the electrochemical hydrogenation of graphene
Y. -C. Soong, H. Li, Y. Fu +17
The electrochemical hydrogenation of graphene induces a robust and reversible conductor-insulator transition, of strong interest in logic-and-memory applications. However, its mech…
High proton conductivity through angstrom-porous titania
Y. Ji, G. -P. Hao, Y. -T. Tan +10
Two dimensional (2D) crystals have attracted strong interest as a new class of proton conducting materials that can block atoms, molecules and ions while allowing proton transport…
Control of proton transport and hydrogenation in double-gated graphene
J. Tong, Y. Fu, D. Domaretskiy +12
The basal plane of graphene can function as a selective barrier that is permeable to protons but impermeable to all ions and gases, stimulating its use in applications such as memb…
Proton and molecular permeation through the basal plane of monolayer graphene oxide
Z. F. Wu, P. Z. Sun, O. J. Wahab +14
Two-dimensional (2D) materials offer a prospect of membranes that combine negligible gas permeability with high proton conductivity and could outperform the existing proton exchang…
Gate-controlled suppression of light-driven proton transport through graphene electrodes
S. Huang, E. Griffin, J. Cai +6
Recent experiments demonstrated that proton transport through graphene electrodes can be accelerated by over an order of magnitude with low intensity illumination. Here we show tha…
Proton transport through nanoscale corrugations in two-dimensional crystals
O. J. Wahab, E. Daviddi, B. Xin +9
Defect-free graphene is impermeable to all atoms and ions at ambient conditions. Experiments that can resolve gas flows of a few atoms per hour through micrometre-sized membranes f…
Photo-accelerated water dissociation across one-atom-thick electrodes
J. Cai, E. Griffin, V. Guarochico-Moreira +6
Recent experiments demonstrated that interfacial water dissociation (H2O = H+ + OH-) could be accelerated exponentially by an electric field applied to graphene electrodes, a pheno…
Wien effect in interfacial water dissociation through proton-permeable graphene electrodes
J. Cai, E. Griffin, V. Guarochico-Moreira +7
Strong electric fields can accelerate molecular dissociation reactions. The phenomenon known as the Wien effect was previously observed using high-voltage electrolysis cells that p…
Ion exchange in atomically thin clays and micas
Yi-Chao Zou, Lucas Mogg, Nick Clark +13
Clays and micas are receiving attention as materials that, in their atomically thin form, could allow for novel proton conductive, ion selective, osmotic power generation, or solve…
Exponentially selective molecular sieving through angstrom pores
P. Z. Sun, M. Yagmurcukardes, R. Zhang +8
Two-dimensional crystals with angstrom-scale pores are widely considered as candidates for a next generation of molecular separation technologies aiming to provide extreme, exponen…
Proton and Li-Ion Permeation through Graphene with Eight-Atom-Ring Defects
Eoin Griffin, Lucas Mogg, Guang-Ping Hao +21
Defect-free graphene is impermeable to gases and liquids but highly permeable to thermal protons. Atomic-scale defects such as vacancies, grain boundaries and Stone-Wales defects a…
Limits on gas impermeability of graphene
P. Z. Sun, Q. Yang, W. J. Kuang +10
Despite being only one-atom thick, defect-free graphene is considered to be completely impermeable to all gases and liquids. This conclusion is based on theory and supported by exp…
Perfect proton selectivity in ion transport through two-dimensional crystals
L. Mogg, S. Zhang, G. -P. Hao +6
Defect-free monolayers of graphene and hexagonal boron nitride were previously shown to be surprisingly permeable to thermal protons, despite being completely impenetrable to all g…
Atomically-thin micas as proton conducting membranes
L. Mogg, G. -P. Hao, S. Zhang +6
Monolayers of graphene and hexagonal boron nitride (hBN) are highly permeable to thermal protons. For thicker two-dimensional (2D) materials, proton conductivity diminishes exponen…
Complete steric exclusion of ions and proton transport through confined monolayer water
K. Gopinadhan, S. Hu, A. Esfandiar +7
It has long been an aspirational goal to create artificial structures that allow fast permeation of water but reject even the smallest hydrated ions, replicating the feat achieved…
Transport of hydrogen isotopes through interlayer spacing in van der Waals crystals
S. Hu, K. Gopinadhan, A. Rakowski +7
Atoms start behaving as waves rather than classical particles if confined in spaces commensurate with their de Broglie wavelength. At room temperature this length is only about one…
Giant photo-effect in proton transport through graphene membranes
Marcelo Lozada-Hidalgo, Sheng Zhang, Sheng Hu +5
Graphene has recently been shown to be permeable to thermal protons, the nuclei of hydrogen atoms, which sparked interest in its use as a proton-conducting membrane in relevant tec…
Scalable and efficient separation of hydrogen isotopes using graphene-based electrochemical pumping
M. Lozada-Hidalgo, S. Zhang, S. Hu +3
Thousands of tons of isotopic mixtures are processed annually for heavy-water production and tritium decontamination. The existing technologies remain extremely energy intensive an…
Molecular transport through capillaries made with atomic-scale precision
B. Radha, A. Esfandiar, F. C. Wang +13
Nanometre-scale pores and capillaries have long been studied because of their importance in many natural phenomena and their use in numerous applications. A more recent development…
Sieving hydrogen isotopes through two dimensional crystals
M. Lozada-Hidalgo, S. Hu, O. Marshall +6
One-atom-thick crystals are impermeable to atoms and molecules, but hydrogen ions (thermal protons) penetrate through them. We show that monolayers of graphene and boron nitride ca…
Proton transport through one atom thick crystals
S. Hu, M. Lozada-Hidalgo, F. C. Wang +10
Graphene is impermeable to all gases and liquids, and even such a small atom as hydrogen is not expected to penetrate through graphene's dense electronic cloud within billions of y…