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Directing the propagation of near-infrared radiation is a major concern in improving the efficiency of solar cells and thermal insulators. A facile approach to scatter light in the near-infrared region without excessive heating is to embed…

Fluids confined in nanopores exhibit properties different from the properties of the same fluids in bulk, among these properties are the isothermal compressibility or elastic modulus. The modulus of a fluid in nanopores can be extracted…

Chemical Physics · Physics 2018-03-14 Christopher D. Dobrzanski , Max A. Maximov , Gennady Y. Gor

Ion flow in charged nanopores is strongly influenced by the ratio of the Debye length to the pore radius. We investigate the asymptotic behaviour of solutions to the Poisson-Nernst-Planck (PNP) system in narrow pore like geometries and…

Analysis of PDEs · Mathematics 2019-04-10 B. Matejczyk , J. -F. Pietschmann , G. Richardson , M. -T. Wolfram

High-fidelity analysis of translocating biomolecules through nanopores demands shortening the nanocapillary length to a minimal value. Existing nanopores and capillaries, however, inherit a finite length from the parent membranes. Here, we…

Solid polymer electrolytes are considered a promising alternative to traditional liquid electrolytes in energy storage applications because of their good mechanical properties, and excellent thermal and chemical stability. A gap, however,…

Materials Science · Physics 2020-02-19 Boran Ma , Trung Dac Nguyen , Monica Olvera de la Cruz

Researchers are currently exploring nanoporous two-dimensional materials, such as hexagonal boron nitride (hBN), as potential desalination membranes. Here, we study the effect of grain boundaries (GBs) and interfacial electrostatic…

Materials Science · Physics 2022-02-22 Ananth Govind Rajan , Bharat Bhushan Sharma

Room temperature ionic liquids are salts which are molten at or around room temperature without any added solvent or solution. In bulk they exhibit glass like dependence of conductivity with temperature as well as coupling of structural and…

Applied Physics · Physics 2019-12-06 Sanjin Marion , Sebastian J. Davis , Zeng-Qiang Wu , Aleksandra Radenovic

Periodic supercell models of electric double layers formed at the interface between a charged surface and an electrolyte are subject to serious finite size errors and require certain adjustments in the treatment of the long-range…

Chemical Physics · Physics 2024-07-10 Thomas Sayer , Chao Zhang , Michiel Sprik

By taking advantage of the trace approximation, one can gain an enormous computational advantage when solving for the global turbulent transport of impurities. In particular, this makes feasible the study of non-Maxwellian transport coupled…

Plasma Physics · Physics 2017-04-05 George J. Wilkie , Istvan Pusztai , Ian G. Abel , William Dorland , Tünde Fülöp

In living organisms, information is processed in interconnected symphonies of ionic currents spiking through protein ion channels. As a result of dynamically switching their conductive states, ion channels exhibit a variety of…

Mesoscale and Nanoscale Physics · Physics 2024-01-15 Yechan Noh , Alex Smolyanitsky

Nanopore sensing is a key technology for single-molecule detection and analysis. Solid-state nanopores have emerged as a versatile platform, since their fabrication allows to engineer their properties by controlling size, shape, and…

Continuum simulation is employed to study ion transport and fluid flow through a nanopore in a solid-state membrane under an applied potential drop. Results show the existence of concentration polarization layers on the surfaces of the…

Fluid Dynamics · Physics 2015-06-16 Mao Mao , Sandip Ghosal , Guohui Hu

Cosmic rays (CRs) can significantly impact dense molecular clouds in galaxies, heating the interstellar medium (ISM) and altering its chemistry, ionization, and thermal properties. Their influence is particularly relevant in environments…

Astrophysics of Galaxies · Physics 2026-05-20 E. Koutsoumpou , J. A. Fernández-Ontiveros , K. M. Dasyra , L. Spinoglio

Various commercial coated conductors were irradiated with fast neutrons in order to introduce randomly distributed, uncorrelated defects which increase the critical current density, Jc, in a wide temperature and field range. The…

Superconductivity · Physics 2015-05-14 M. Eisterer , R. Fuger , M. Chudy , F. Hengstberger , H. W. Weber

Hydrated excess protons under hydrophobic confinement are a critical component of charge transport behavior and reactivity in nanoporous materials and biomolecular systems. Herein excess proton confinement effects are computationally…

Soft Condensed Matter · Physics 2020-06-04 Xinyou Ma , Chenghan Li , Alex B. F. Martinson , Gregory A. Voth

Membranes consist of pores and the walls of these pores are often charged. In contact with an aqueous solution, the pores fill with water and ions migrate from solution into the pores until chemical equilibrium is reached. The distribution…

Chemical Physics · Physics 2024-03-06 R. Wang , M. Elimelech , P. M. Biesheuvel

To bridge the gap between single/isolated pore systems to multi-pore systems, such as membranes/electrodes, we studied an array of nanochannels with varying interchannel spacing that controlled the degree of channel communication. Instead…

Fluid Dynamics · Physics 2015-01-29 Yoav Green , Sinwook Park , Gilad Yossifon

Ion transport in perm-selective media has been extensively investigated in recent years owing to its applications in advancements of fundamental understanding of nanoscale electrokinetics as well as innovative engineering applications. A…

Fluid Dynamics · Physics 2019-10-31 Junsuk Kim , Keon Huh , Ali Mani , Sung Jae Kim

The results of a linear elasticity analysis yields that nano-rod inclusions aligned along the c axis of a thin film of YBa2Cu3O{7-delta}, such as BaZrO3 and BaSnO3, squeeze that matrix by pure shear. The sensitivity of the superconducting…

Superconductivity · Physics 2008-10-22 J. P. Rodriguez , P. N. Barnes , C. V. Varanasi

Reliable and controllable switches are crucial in nanofluidics and iontronics. Ion channels in nature serve as a rich source of inspiration due to their intricate mechanisms modulated by stimuli like pressure, temperature, chemicals, and…

Mesoscale and Nanoscale Physics · Physics 2023-10-17 Gonçalo Paulo , Alberto Gubbiotti , Giovanni Di Muccio , Alberto Giacomello
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