Production of few-layer graphene through liquid-phase pulsed laser exfoliation of highly ordered pyrolytic graphite

2012 ◽  
Vol 258 (22) ◽  
pp. 9092-9095 ◽  
Author(s):  
Min Qian ◽  
Yun Shen Zhou ◽  
Yang Gao ◽  
Tao Feng ◽  
Zhuo Sun ◽  
...  
Keyword(s):  
Liquid Phase ◽  
Pyrolytic Graphite ◽  
Pulsed Laser ◽  
Layer Graphene ◽  
Highly Ordered Pyrolytic Graphite ◽  
Few Layer Graphene

Direct Liquid Phase Exfoliation of Graphite to Produce Few-Layer Graphene by Microfluidization

2019 ◽  
Vol 19 (4) ◽  
pp. 2078-2086 ◽  
Author(s):  
Yu-Zhou Wang ◽  
Tian Chen ◽  
Hai-Hui Liu ◽  
Xue-Chen Wang ◽  
Xing-Xiang Zhang
Keyword(s):  
Liquid Phase ◽  
Layer Graphene ◽  
Liquid Phase Exfoliation ◽  
Few Layer Graphene

Liquid-Phase Exfoliation of Few-Layer Graphene and Effect of Sonication Time on Concentration of Produced Few Layer Graphene

2017 ◽  
Vol 14 ◽  
pp. 17-24 ◽  
Author(s):  
Syed Sajid Ali Shah ◽  
Habib Nasir
Keyword(s):  
Liquid Phase ◽  
Cost Effective ◽  
Production Method ◽  
Commercial Production ◽  
Sonication Time ◽  
High Concentration ◽  
Layer Graphene ◽  
Uv Visible ◽  
Liquid Phase Exfoliation ◽  
Few Layer Graphene

Although graphene has been produced by various methods at lab scale, however, its cost effective mass production method is still a challenge. Graphene has been produced by liquid phase exfoliation, which is the most probable method for commercial production of graphene for various industrial applications.This paper reports high concentration production of few-layer graphene in DMSO (dimethyl sulfoxide) as solvent through liquid phase exfoliation assisted with sonication. The temperature was kept below 30oC. SEM, AFM, and XRD were used to characterize the produced graphene. SEM results confirm the production of few-layer graphene. EDX analysis shows that the graphene surface is free from oxides and impurities. AFM results also confirm the production of few-layer graphene. The UV-visible spectrophotometer was used to determine the concentration of the produced graphene, and the investigations demonstrate that the graphene production was increased by increasing the sonication time. There exist a linear relationship between the amount of produced graphene and sonication time for supplying energy during sonication.

Liquid phase exfoliation of graphite into few-layer graphene by sonication and microfluidization

2017 ◽  
Vol 7 (6) ◽  
pp. 491-499 ◽  
Author(s):  
Yu-Zhou Wang ◽  
Tian Chen ◽  
Xue-Feng Gao ◽  
Hai-Hui Liu ◽  
Xing-Xiang Zhang
Keyword(s):  
Liquid Phase ◽  
Layer Graphene ◽  
Liquid Phase Exfoliation ◽  
Few Layer Graphene

scholarly journals Liquid-Phase Exfoliation of Graphite into Single- and Few-Layer Graphene with α-Functionalized Alkanes

2016 ◽  
Vol 7 (14) ◽  
pp. 2714-2721 ◽  
Author(s):  
Sébastien Haar ◽  
Matteo Bruna ◽  
Jian Xiang Lian ◽  
Flavia Tomarchio ◽  
Yoann Olivier ◽  
...  
Keyword(s):  
Liquid Phase ◽  
Layer Graphene ◽  
Liquid Phase Exfoliation ◽  
Few Layer Graphene

Few-layer graphene supporting palladium nanoparticles with a fully accessible effective surface for liquid-phase hydrogenation reaction

2012 ◽  
Vol 189 (1) ◽  
pp. 77-82 ◽  
Author(s):  
Tri Truong-Huu ◽  
Kambiz Chizari ◽  
Izabela Janowska ◽  
Maria Simona Moldovan ◽  
Ovidiu Ersen ◽  
...  
Keyword(s):  
Liquid Phase ◽  
Palladium Nanoparticles ◽  
Hydrogenation Reaction ◽  
Effective Surface ◽  
Layer Graphene ◽  
Liquid Phase Hydrogenation ◽  
Few Layer Graphene

Anionic Electrochemical Exfoliation of Few-Layer Graphene Nano-Sheets: An Emphasis on Characterization

2020 ◽  
Vol 978 ◽  
pp. 399-406
Author(s):  
Azmeera Srinivasanaik ◽  
Amlan Das ◽  
Archana Mallik
Keyword(s):  
Graphene Nanosheets ◽  
Pyrolytic Graphite ◽  
Chemical Vapour ◽  
Morphological Structure ◽  
Cost Effective ◽  
Layer Graphene ◽  
Chemical Exfoliation ◽  
Electrochemical Approach ◽  
Probe Spectroscopy ◽  
Few Layer Graphene

Graphene, the most unique member of carbon family has fuelled a huge interest across the globe with its superior mechanical, chemical, optical and electronic properties. It has opened enormous avenues for humankind in terms of different applications. Since its discovery in 2004, people have tried various techniques to extract graphene, such as mechanical exfoliation, chemical exfoliation, epitaxial growth, CVD (chemical vapour deposition) etc. However, the above methods are not optimal for mass production, neither are they simple and cost effective. The present work highlights synthesis of graphene through electrochemical approach and its subsequent characterization. Pyrolytic graphite is subjected to intercalation of two different concentrations of HNO3 electrolyte. XRD, FESEM and TEM were utilised to understand the structure and morphology of the obtained few-layer graphene nanosheets (FLGNs). Scanning probe spectroscopy is a useful technique for understanding the morphological structure of a sample at atomic level. Authors have utilised AFM which shows the thickness of the FLGNs to be in the range of 5-6 nm. STM studies of graphene nanosheets revealed atomic scaled periodicity and atomic flatness.

Facile synthesis of graphene using a biological method

RSC Advances ◽  
2016 ◽  
Vol 6 (21) ◽  
pp. 17158-17162 ◽  
Author(s):  
Bipinchandra K. Salunke ◽  
Beom Soo Kim
Keyword(s):  
Liquid Phase ◽  
Medicinal Plants ◽  
Low Cost ◽  
Biological Method ◽  
Facile Synthesis ◽  
Layer Graphene ◽  
Environmentally Safe ◽  
Liquid Phase Exfoliation ◽  
Few Layer Graphene

A new, facile, low cost, environmentally safe process is demonstrated for the production of few layer graphene by liquid phase exfoliation of graphite using extracts of medicinal plants in water.

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