LAYERED COMPOUNDS BASED ON PERFORATED GRAPHENE
N. F. Yudanov, A. V. Okotrub, L. G. Bulusheva, I. P. Asanov, Y. V. Shubin, L. I. Yudanova, N. I. Alferova, V. V. Sokolov, N. N. Gavrilov, V. A. Tur
Keywords: graphite, layered compounds, perforated graphene, carbon fluoride
Pages: 932-938
Abstract
A method to obtain previously unknown layered structure composed of stacks of perforated graphene sheets is developed. The method consists in the thermal decomposition of graphite oxide in the concentrated H2SO4 and H3PO4 medium. In order to confirm the presence of holes in graphene layers, a large set of chemical and physicochemical analysis methods are applied. Based on a new matrix, treated thermally and chemically, layered compounds are obtained: oxide, fluoride, and fluoroxide of two types. The obtained compounds are analyzed by transmission electron microscopy, infrared absorption spectroscopy, Raman spectroscopy, X-ray photoelectron spectroscopy, thermogravimetric analysis, and powder X-ray diffraction.
|
