Journal
JOURNAL OF APPLIED CRYSTALLOGRAPHY
Volume 50, Issue -, Pages 876-884Publisher
INT UNION CRYSTALLOGRAPHY
DOI: 10.1107/S1600576717006227
Keywords
water; graphene oxide; WAXS; wide-angle X-ray scattering; X-ray scattering modelling
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Funding
- French Research National Agency under the program Investissements d'Avenir (SEDECO project) [ANR-10-LABX-0035: Labex NanoSaclay]
- Spanish Ministry MINECO [ENE2013-48816-C5-5-R, ENE 2016-79282-C5-1-R]
- Government of Aragon under Consolidated Group programme [DGA-T66-GCNN]
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X-ray scattering (XRS) experiments have been performed on multi-layered graphene oxide (GO) paper. GO can be easily hydrated as water naturally intercalates in the hydrophilic nanostructure. The effect of the intercalated water on the XRS signals is measured during dehydration under thermal treatment in the temperature range 298-473 K as well as during hydration under saturated water vapour pressure. A simple modelling of the XRS signals by taking into account the presence and the type of intercalated water (bound water or physisorbed water) is introduced. It allows an explanation of the variations of intensity and position of XRS reflections observed experimentally.
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