Nanoporosity of Polymer Sorbents and Membrane Materials as Seen by PALS and Low Temperature Gas Sorption

• Authors: V. Shantarovich , V. Bekeshev , I. Kevdina , Yu. Yampolskii , M. Bermeshev , N. Belov
• Languages of publication: EN

Abstracts

EN

The limits of application of positron annihilation lifetime spectroscopy and low temperature gas sorption for studying nanoporosity of polymer sorbents and membrane materials are discussed relying on the results previously obtained by the authors. For the two methods, limitations are determined by different factors: the dispersion of the material is essential for low temperature gas sorption, while concentration of nanopores of given size is important for positron annihilation lifetime spectroscopy. The both methods came out to be a useful addition to each other in the studies of micropores and mesopores.

Keywords

EN

78.70.Bj; 61.43.Gt

Discipline

• 61.43.Gt: Powders, porous materials
• 78.70.Bj: Positron annihilation(for positron states, see 71.60.+z in electronic structure of bulk materials; for positronium chemistry, see 82.30.Gg in physical chemistry and chemical physics)

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2017
• Volume: 132
• Issue: 5
• Pages: 1548-1551

Dates

published

2017-11

Contributors

author

V. Shantarovich

• Semenov Institute of Chemical Physics RAS, Kosygin st. 4, 119991 Moscow, Russia

author

V. Bekeshev

• ---

author

I. Kevdina

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author

Yu. Yampolskii

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author

M. Bermeshev

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author

N. Belov

• ---

References

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Identifiers

DOI

10.12693/APhysPolA.132.1548