The Structure of Graphite Oxide

Beckett, R. J.; Croft, R. C.

doi:10.1021/j150500a001

Cited by 35 publications

(23 citation statements)

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“…When a drop of a very dilute suspension was evaporated on a carbon supporting film, examination in the electron microscope revealed very thin flakes, lying almost flat on the carbon film, with diameters ranging up to a few microns (cf. Beckett & Croft, 1952).…”

Section: Methodsmentioning

confidence: 99%

An electron diffraction study of graphitic oxide

Cruz¹,

Cowley²

1963

Acta Cryst

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Section: Methodsmentioning

confidence: 99%

An electron diffraction study of graphitic oxide

Cruz¹,

Cowley²

1963

Acta Cryst

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“…A possible starting point for the chemical manipulation of functionalized graphene is graphite oxide (GO), which is prepared by controlled oxidation of graphite. [24][25][26][27] GO consists of intact graphitic regions interspersed with sp 3 hybridized carbon atoms. It contains hydroxyl and epoxide functional groups on the top and bottom of each sheet (see Figure 1) and carboxyl or carbonyl groups at the edges of the sheets.…”

Section: Introductionmentioning

confidence: 99%

The Formation of Large‐Area Conducting Graphene‐Like Platelets

Salvio¹,

Krabbenborg

Naber

et al. 2009

Chemistry A European J

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The treatment of a suspension of graphite oxide (GO) with sodium azide leads to a material that, after reduction, features amino groups at the top and bottom of the sheets. These groups react through microcontact printing with an isothiocyanate monolayer on a silicon oxide substrate to form covalent bonds that strongly attach to the particles on the surface. With ultrasonication it is possible to obtain exfoliation of the sheets that are not covalently bound to the surface leaving single-layer platelets attached to the substrate. The azido derivative can be also used to functionalize the graphene oxide with long alkylic chains through a click chemistry approach. This functionalization results in the exfoliation of this material in dimethylformamide. The novel materials were fully characterized by different techniques including IR spectroscopy, thermogravimetric analysis (TGA), scanning and transmission electron microscopy (SEM and TEM), X-Ray photoelectron spectroscopy (XPS), and solid state NMR spectroscopy. The material with amino groups, after the reduction step, is conductive with a resistivity only approximately seven times larger than that of unprocessed graphite. This implies that after reduction of the GO, the conjugated sp2 network is largely restored. We consider this to be an important step towards a chemical approach for forming conducting large-area platelet films of single-layer graphene.

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“…6,7 Thin GO is easily reduced by reducing agents, heat, light and changes to thin G. 8 The existence of thin GO particles and their flexibility had been recognized in the early stages of GO research. [9][10][11][12][13] Several-layered particles (molecular assembly) and single-layered particles (single molecule) were identified after progressive developments in analytical methods and techniques, [14][15][16][17] and the use of the distinguished term graphene oxide started. 18 The author and co-researchers also studied thin GO and thin G, and showed a high yield synthetic method, excellent flexibility of thin GO particles as 2D-FM and their other properties.…”

Section: Introductionmentioning

confidence: 99%

Particle scattering function of a two-dimensional flexible macromolecule

Hirata

2013

Polym J

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The particle scattering function (structure factor) P(q) of a two-dimensional flexible macromolecule (2D-FM), such as thin graphite oxide and graphene oxide, was calculated. The geometrical model used for shrinking the 2D-FM particle was the developable double corrugation surface (Miura folding) of a circular or elliptic disk. This model described a three-dimensionally foldable and re-extendable shape and spontaneously exhibited a self-avoiding condition inside a single particle. Moreover, the randomness of the shrinking shape and the polydispersity of the size of the disk were also added to the model. The obtained P(q) varied greatly according to the shape of the particle, which can change from a flat extended state, like a disk, to a threedimensionally isotropic and dense shrunken state, like a short cylinder, by changing the degree of the shrinking. In addition, the P(q) showed that the shrunken state is constructed from many small partial sub-planes that are three-dimensionally neither isotropic nor dense.

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The Structure of Graphite Oxide

Cited by 35 publications

References 0 publications

An electron diffraction study of graphitic oxide

An electron diffraction study of graphitic oxide

The Formation of Large‐Area Conducting Graphene‐Like Platelets

Particle scattering function of a two-dimensional flexible macromolecule

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