SKM 2023 – wissenschaftliches Programm

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SYHS: Symposium Physics of van der Waals 2D Heterostructures

SYHS 1: Physics of van der Waals 2D Heterostructures

SYHS 1.3: Hauptvortrag

Freitag, 31. März 2023, 10:30–11:00, HSZ 01

Ions in tight places: intercalation and transport of ions in van der Waals heterostructures — •Irina Grigorieva — University of Manchester, UK

Understanding and control of ion transport through angstrom-scale channels and capillaries is important in diverse technological fields, from sieving and separation to Li ion batteries and energy storage. I will review our recent work on using few-layer graphene as a model system for understanding ion intercalation in layered crystals and on ion transport through designer nanochannels made by van der Waals assembly. It allowed us to answer such questions as what limits the Li ion storage capacity of bilayer graphene, whether protons can fit into the interlayer space in van der Waals crystals, and why protons can diffuse through monolayer water while no other ions can.