期刊
ACS NANO
卷 11, 期 8, 页码 7967-7973出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsnano.7b02513
关键词
graphene pocket; anhydrite; aberration-corrected HRTEM; encapsulated liquid; crystallization
类别
资金
- DFG
- Ministry of Science, Research and the Arts (MWK) of Baden-Wuerttemberg
Single-distilled water encapsulated in graphene pockets has been studied by aberration-corrected high-resolution transmission electron microscopy and electron energy loss spectroscopy at an acceleration voltage of 80 kV. Inside the graphene pockets, crystallization and in situ crystal growth are reported and identified as the insoluble AII phase of CaSO4 (anhydrite) in a quasi-two-dimensional system. Its formation condition is discussed with respect to the possible temperature and van der Waals pressure between the graphene sheets.
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