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Friday, July 24, 2020 | History

3 edition of Ferric chloride graphite intercalation compounds prepared from graphite fluoride found in the catalog.

Ferric chloride graphite intercalation compounds prepared from graphite fluoride

Ferric chloride graphite intercalation compounds prepared from graphite fluoride

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  • 6 Currently reading

Published by National Aeronautics and Space Administration, National Technical Information Service, distributor in [Washington, DC], [Springfield, Va .
Written in English

    Subjects:
  • Bonding.,
  • Carbon compounds.,
  • Chemical bonds.,
  • Chlorides.,
  • Composite materials.,
  • Fluorides.,
  • Fluorination.,
  • Graphite.,
  • Graphitization.,
  • Hematite.,
  • Intercalation.,
  • Iron compounds.,
  • Iron oxides.

  • Edition Notes

    StatementChing-cheh Hung.
    SeriesNASA technical memorandum -- 106447.
    ContributionsUnited States. National Aeronautics and Space Administration.
    The Physical Object
    FormatMicroform
    Pagination1 v.
    ID Numbers
    Open LibraryOL17001259M

    Non-oxidative intercalation and exfoliation of graphite by Brønsted acids Nina I. Kovtyukhova1, Yuanxi Wang2, Ayse Berkdemir2, Rodolfo Cruz-Silva4, Mauricio Terrones2, 2 and Thomas E. Mallouk1,2,3* Graphite intercalation compounds are formed by inserting guest molecules or ions between sp2-bonded carbon layers. These compounds are interesting as File Size: 5MB. The color is greyish, white, or yellow. The bond between the carbon and fluorine atoms is covalent. Tetracarbon monofluoride (C 4 F) is prepared by treating graphite with a mixture of fluorine and hydrogen fluoride at room temperature. The compound has a blackish-blue color.

    Thermochemical and structural investigations on alkali metal chlorides-iron(III)-chloride systems. Journal of Thermal Analysis , 45 (3), DOI: /BF Masahiko Ohira, Michio Inagaki, Noboru Nakagomi. Synthesis and local analysis of ternary FeCl3-PbCl2-graphite intercalation by: of intercalation and exfoliation as well as lattice energies between the layers of graphite, expandable GICs were prepared by incorporating nitric, sulphuric, phosphoric acids as well as ferric chloride [6]. In , Schafhäutl [7] discovered expandable graphite intercalation compounds.

      Intercalating Graphite (Sulfuric Acid intercalated graphite, Expanded Graphite, Graphene) We then use our newly formed compound to produce expanded graphite and . Ferric Chloride Intercalation Compounds Prepared from Graphite Fluoride The reaction between graphite fluoride and ferric chloride was observed in the temperature range of ºC to ºC. The graphite fluorides used for this reaction have an sp³ electronic structure and are electrical insulators.


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Ferric chloride graphite intercalation compounds prepared from graphite fluoride Download PDF EPUB FB2

CONCLUSIONS Ferric chloride intercalates graphite fluoride easily, resulting in a product containing iron halide crystals and first-stage FeCl3 intercalated GIC.

This process enables intercalation with FeQ3 to take place with carbon materials that have a very low degree of graph- Cited by: 9. The reaction between graphite fluoride and ferric chloride was observed in the temperature range of to °C.

The graphite fluorides used for this reaction have an sp 3 electronic structure and are electrical by: 9. ABSTRACT-The reaction between graphite fluoride and ferric chloride was observed in the temperature range of to 'c. The graphite fluorides used for this reaction have an Sp3 elec-tronic structure and are electrical insulators.

They can be made by fluorinating either carbon fibers or powder having various degrees of graphitization. We use anhydrous ferric chloride (FeCl3) to intercalate graphite flakes consisting of 2−4 graphene layers and to dope graphene monolayers. The intercalant, staging, stability, and doping of the resulting intercalation compounds (ICs) are characterized by Raman scattering.

The G peak of heavily doped monolayer graphene upshifts to ∼ cm− by: Potassium hydride graphite intercalation compounds were prepared by the direct intercalation of potassium hydride into HOPG and their structures were confirmed by (00ℓ) X-ray : Yoshiaki Matsuo.

Fluorine-graphite intercalation compound (GIC) has been prepared from pitch-based carbon fiber and powdery natural graphite in the presence of silver fluoride.

Prepared compounds. A ternary intercalation compound of graphite with AIF3 and F2, CXF(A1F3)J/ was prepared under fluorine atmosphere a t temperatures of °C. The typical 1st stage compound has a composition of C6F(AlF3)o,i5 with a repeat distance of pm.

Rapid progress in the reaction led of the formation of graphite fluoride, (C2F). ESCA spectra. Intercalation Compound Graphite Crystal Alkali Metal Atom Graphite Intercalation Compound Intercalate Layer These keywords were added by machine and not by the authors.

This process is experimental and the keywords may be Cited by: 9. All the features of fluorine-graphite intercalation compounds, C x Fs have been reviewed by citing from the first publication on these compounds to thenewest one.

C x Fs are synthesized by several different methods in the presence of various kinds of fluorides. The products and their properties strongly depend on the reaction rates. Fluorine intercalation in anhydrous liquid HF Author: Tsuyoshi Nakajima.

Graphite-copper (II)-chloride intercalation compounds can be obtained by heating for eight days a mixture of graphite and anhydrou copper (lI)-chloride in a chlorine atmosphere to a temperature of C.

Thus, up to a maximum amount of Wt.-percent can be incorporated in the mixture of copper (II) by: 9. A doubly-filled graphite-ferric chloride-dinitrogen pentoxide intercalation complex of empirical formula C 31 FeCl 3 (N 2O 5) has been prepared in which a fourth stage graphite–ferric chloride complex is independently interleaved by a second stage graphite–dinitrogen pentoxide complex.

You have access to this by: The insertion of guest species in graphite is the key feature utilized in applications ranging from energy storage and liquid purification to the synthesis of graphene. Recently, it was discovered that solvated-Na-ion intercalation can occur in graphite even though the insertion of Na ions alone is thermodynCited by: The reaction between graphite fluoride and ferric chloride was observed in the temperature range of to C.

The graphite fluorides used for this reaction have an sp3 electronic structure and are electrical insulators. They can be made by fluorinating either carbon fibers or powder having various degrees of : Ching-Cheh Hung.

Ferrix Chloride-Graphite Intercalation Compounds Prepared From Graphite Flouride. By Ching-Cheh Hung. Abstract. The reaction between graphite fluoride and ferric chloride was observed in the temperature range of to C.

The graphite fluorides used for this reaction have an sp(sup 3) electronic structure and are electrical insulators. Author: Ching-Cheh Hung. Another drawback of the intercalation and exfoliation process is that the above process cannot be used to control the amount of exfoliation or to produce nano-particle sized graphite flakes.

Consequently, the expanded graphite flake produced from the process will have a thickness of at least 10 microns or greater, Cited by: Graphite intercalation compounds Graphite consists of hexagonal carbon planes stacked along c-axis by weak van der Waals force.

Therefore, many substances, what is called intercalates, can enter into the gallery of the graphite to form graphite intercalation compounds (GICs).

The GICs have a unique stage structure. Get this from a library. Ferric chloride graphite intercalation compounds prepared from graphite fluoride. [Ching-cheh Hung; United States. The properties of graphite intercalation compounds (GIC's) are discussed with respect to possible applications.

Five families of intercalates give high electrical conductivity to GIC's: pentafluorides leading to high conductivity, 10 8 S/m (higher than metallic copper); metal chlorides; fluorine and alkali metals with bismuth giving relatively high conductivity of the order Cited by: Ferric Chloride Graphite Intercalation Compounds Prepared from Graphite Fluoride June The Frequency Dependence of the Resistivity of Pristine and Intercalated Graphite Fibers from DC to 10 MHz Kinetic Studies of the Bromine Intercalation of Pitch-based Fibers Intercalation Compounds of Graphite.

Annual Review of Materials Science Vol. (Volume publication date August ) Annual Review of Materials Research Chemical Properties of Bone Mineral SAXS patterns for epitaxial superlattices prepared from CdSe NCs ranging from 35 to 64 Å in diameter.

The fcc superlattice relections are Cited by:. "This outstanding reference presents the latest scientific findings concerning the synthesis, structure, thermodynamics, and physical and chemical properties of fluorine- and fluoride-carbon compounds elucidating their practical applications in lithium batteries, superhydrophobic composites, and the electrolytic production of elemental fluorine.".

It is shown that the thermolysis of graphite fluoride intercalation compounds involves a few stages, the last of which is the exothermic decomposition of the intercalation host.

The thermal stability of these compounds is determined by the nature of the by: The progress of materials science depends on the development of novel materials and the development of novel experimental techniques. The research on graphite intercalation compounds combines both aspects: new compounds with strikingly new and anisotropic properties have been synthesized and analyzed during the past couple of years by means of Format: Paperback.