Synthesis of high-quality graphene with a pre-determined number of layers

Wu, Zhong‐Shuai; Ren, Wencai; Gao, Libo; Liu, Bilu; Jiang, Chunzhu; Cheng, Hui‐Ming

doi:10.1016/j.carbon.2008.10.031

Cited by 666 publications

(373 citation statements)

References 28 publications

Supporting

Mentioning

340

Contrasting

Unclassified

Order By: Relevance

“…Figure 4(c, d) shows that GN-A film is transparent and that the graphene consists of one-layers. 24 The interlayer spacing is measured to be 0.410 nm, which is consistent with the experimental value of 0.415 nm obtained from the above XRD results. AFM is also used to determine the thickness of the graphene-based sheets.…”

Section: -14supporting

confidence: 79%

Preparation and Characterization of Reduced Graphene Nanosheets via Pre-exfoliation of Graphite Flakes

Meng¹,

Park²

2012

Bulletin of the Korean Chemical Society

View full text Add to dashboard Cite

In this work, the reduced graphene nanosheets were synthesized from pre-exfoliated graphite flakes. The pristine graphite flakes were firstly pre-exfoliated to graphite nanoplatelets in the presence of acetic acid. The obtained graphite nanoplatelets were treated by Hummer's method to produce graphite oxide sheets and were finally exfoliated to graphene nanosheets by ultrasonication and reduction processes. The prepared graphene nanosheets were studied by X-ray photoelectron spectroscopy (XPS), X-ray diffraction (XRD), atomic force microscopy (AFM), and transmission electron microscopy (TEM). From the results, it was found that the preexfoliation process showed significant influence on preparation of graphite oxide sheets and graphene nanosheets. The prepared graphene nanosheets were applied to the preparation of conductive materials, which yielded a greatly improved electrical resistance of 200 Ω/sq.

show abstract

Section: -14supporting

confidence: 79%

Preparation and Characterization of Reduced Graphene Nanosheets via Pre-exfoliation of Graphite Flakes

Meng¹,

Park²

2012

Bulletin of the Korean Chemical Society

View full text Add to dashboard Cite

show abstract

“…Lin et al [148] used a picosecond laser to remove graphene layers from multi-layered graphene films. As both the lateral size and the crystallinity of the starting graphite influenced the number of graphene layers obtained by chemical exfoliation, Wu et al [149] successfully tuned the number of graphene layers by selecting appropriate starting materials from artificial graphite, flake graphite powder, Kish graphite, and natural flake graphite. In that study, the number of graphene layers was measured by AFM.…”

Section: The Structure Of Graphenementioning

confidence: 99%

Structure of graphene and its disorders: a review

Gao

Lee

et al. 2018

Science and Technology of Advanced Materials

500

187

View full text Add to dashboard Cite

Monolayer graphene exhibits extraordinary properties owing to the unique, regular arrangement of atoms in it. However, graphene is usually modified for specific applications, which introduces disorder. This article presents details of graphene structure, including sp2 hybridization, critical parameters of the unit cell, formation of σ and π bonds, electronic band structure, edge orientations, and the number and stacking order of graphene layers. We also discuss topics related to the creation and configuration of disorders in graphene, such as corrugations, topological defects, vacancies, adatoms and sp3-defects. The effects of these disorders on the electrical, thermal, chemical and mechanical properties of graphene are analyzed subsequently. Finally, we review previous work on the modulation of structural defects in graphene for specific applications.

show abstract

“…Briefly, the graphene oxide (GO) was synthesized by chemical exfoliation of 5 g natural flake graphite powder (500 mesh) [21]. Then GO powder was put in a quartz boat, and was placed inside a quartz tube.…”

Section: Preparationmentioning

confidence: 99%

Thermostability, Photoluminescence, and Electrical Properties of Reduced Graphene Oxide–Carbon Nanotube Hybrid Materials

Liu

Cao

et al. 2013

Crystals

View full text Add to dashboard Cite

Abstract:Reduced graphene oxide-carbon nanotube (RGO-CNT) hybrid materials were prepared by a simple catalyst-free route. The thermostability, photoluminescence (PL) and electrical properties of RGO-CNTs were investigated systematically. The results revealed that compared to RGO, RGO-CNTs showed multicolor PL, and higher thermostability and conductivity. The RGO-CNTs therefore have important potential applications in the fields of photonic and electrical devices.

show abstract

Synthesis of high-quality graphene with a pre-determined number of layers

Cited by 666 publications

References 28 publications

Preparation and Characterization of Reduced Graphene Nanosheets via Pre-exfoliation of Graphite Flakes

Preparation and Characterization of Reduced Graphene Nanosheets via Pre-exfoliation of Graphite Flakes

Structure of graphene and its disorders: a review

Thermostability, Photoluminescence, and Electrical Properties of Reduced Graphene Oxide–Carbon Nanotube Hybrid Materials

Contact Info

Product

Resources

About