Architecture of graphene oxide membranes and its influence on the selective permeance to water, ethanol, and acetonitrile

Yankova, T. S. and Chichulin, S. N. and Kaplina, A. V. and Matveev, Mikhail V. and Dvoryak, S. V. and Kuzovchikov, S. M. and Gatin, A. K. and Kálai, Tamás (2025) Architecture of graphene oxide membranes and its influence on the selective permeance to water, ethanol, and acetonitrile. CHEMICAL PHYSICS LETTERS. No. 142397. (In Press)

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Abstract

Spin probe method characterizes internal architecture of graphene oxide membranes. Second order parameters of spin probes on th e graphene oxide layers are 0. 4 –0.6. • Layer ordering measured with spin probe affects graphene oxide membrane selectivity. • Lamellas package density significantly affects graphene oxide membrane selectivity. • Free-standing graphene oxide membranes swell in polar liquid vapor within 1 h.

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