期刊
JOURNAL OF FLUORINE CHEMISTRY
卷 120, 期 2, 页码 143-150出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/S0022-1139(02)00323-8
关键词
graphite fluoride; fluorine-graphite intercalation compound; Raman spectroscopy
Raman spectra were measured of highly fluorinated graphite samples prepared at room temperature, 380 and 515 degreesC. CxF prepared at room temperature showed a novel downshifted band at 1555-1542 cm(-1) along with G band at 1593-1583 cm(-1). Similar behavior is also observed for samples prepared at 380 and 515 degreesC at early stages of fluorination, after which the Raman shifts completely disappeared. Raman spectra as well as X-ray diffraction (XRD) analysis suggest that graphite fluorides, (CF)(n) and (C2F)(n) are formed via fluorine-intercalated phase with planar graphene layers. (C) 2002 Elsevier Science B.V. All rights reserved.
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