Non-monotonic variation of flow strength in nanochannels grafted with end-charged polyelectrolyte layers.

ABSTRACT: The electrokinetic transport of fluids, also called the electroosmotic flow (EOF), in micro/nanoscale devices occurs in promising applications such as electrokinetic energy conversion (EKEC) systems. Recently, EKEC systems grafted with end-charged polyelectrolyte (PE) layers (PELs) have been reported to exhibit higher efficiencies than those of intrinsic systems. Understanding the interplay between the end-charged PELs and electrical double layers (EDLs) on the EOF is crucial for designing highly efficient EKEC systems. The interplay between the end-charged PELs and EDLs on the strength of the EOF (V ₀) is studied by explicitly modeling the EOF through nanochannels grafted with end-charged PELs using atomic simulations. The variation of V ₀ is examined f

SUBMITTER: Wu P 

PROVIDER: S-EPMC8981053 | biostudies-literature | 2022 Jan

REPOSITORIES: biostudies-literature