نتایج جستجو برای: expanded graphite nanosheets

تعداد نتایج: 80192  

Journal: :Functional Diamond 2023

Incorporating two-dimensional (2D) diamond nanosheets with fluorescent color centers exhibits great potential in the application of quantum sensing. However, always show poor optical emission chemical-vapor-deposited (CVD) nanomaterials. To address this issue, Si doped diamond/graphite hybrid films were successfully fabricated microwave-plasma CVD device. The consist diamond-core/graphite-shell...

2005
Fawn M. Uhl Qiang Yao Hiroyoshi Nakajima E. Manias Charles A. Wilkie

Polyamide-6 (PA-6)/graphite nanocomposites were prepared by melt blending, using a variety of graphites, including virgin graphite, expandable graphites and expanded graphite. The resulting nanocomposites were characterized by X-ray diffraction, thermogravimetric analysis, cone calorimetry, and tensile mechanical analysis. Nanocomposite formation does occur, as denoted by the nanometre dispersi...

Journal: :The Analyst 2017
Aamar F Khan Dale A C Brownson Christopher W Foster Graham C Smith Craig E Banks

Surfactant exfoliated 2D hexagonal Boron Nitride (2D-hBN) nanosheets are explored as a potential electrochemical sensing platform and evaluated towards the electroanalytical sensing of dopamine (DA) in the presence of the common interferents, ascorbic acid (AA) and uric acid (UA). Surfactant exfoliated 2D-hBN nanosheets (2-4 layers) fabricated using sodium cholate in aqueous media are electrica...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2012
In-Yup Jeon Yeon-Ran Shin Gyung-Joo Sohn Hyun-Jung Choi Seo-Yoon Bae Javeed Mahmood Sun-Min Jung Jeong-Min Seo Min-Jung Kim Dong Wook Chang Liming Dai Jong-Beom Baek

Low-cost, high-yield production of graphene nanosheets (GNs) is essential for practical applications. We have achieved high yield of edge-selectively carboxylated graphite (ECG) by a simple ball milling of pristine graphite in the presence of dry ice. The resultant ECG is highly dispersable in various solvents to self-exfoliate into single- and few-layer (≤ 5 layers) GNs. These stable ECG (or G...

2013
Mateusz Wierzbicki Ewa Sawosz Marta Grodzik Marta Prasek Slawomir Jaworski André Chwalibog

Angiogenesis is vital for tumour formation, development and metastasis. Recent reports show that carbon nanomaterials inhibit various angiogenic signalling pathways and, therefore, can be potentially used in anti-angiogenic therapy. In the present study, we compared the effect of different carbon nanomaterials on blood vessel development. Diamond nanoparticles, graphite nanoparticles, graphene ...

2015
Jaber Nasiri Elaheh Motamedi Mohammad Reza Naghavi

Graphite oxide (GO) and reduced graphene oxide (rGO) nanosheets were synthesized with a low-cost manufacturing method. The morphology and structures of the synthesized samples were studied using X-ray diffraction (XRD), atomic force microscopy (AFM), Fourier-transform infrared (FTIR) and Raman spectroscopy. The efficiencies of GO and rGO as novel candidate adsorbents in the pre-purification of ...

Journal: :Frontiers in Materials 2021

In this work, antistatic, high-performance composites of poly (ether ether ketone) (PEEK) and concentrations 0.5–7 vol% expanded graphite (EG) were fabricated via twin-screw extrusion injection moulding at mould temperatures 200°C. The morphological, electrical, rheological, thermal, mechanical, wear properties the investigated. Scanning electron microscope (SEM) images indicate that distributi...

2016
Anu Saini Ashok Kumar Vijay Kumar Anand Suresh Chander Sood

Graphene is a hot area of research because of its unique and remarkable properties. These properties have invoked researchers to use this form of carbon in various potential applications. One of the bottlenecks in developing such application is mass production of graphene. Hummer’s Method is one of the easiest and economical methods to synthesize huge amount of reduced graphene oxide (RGO) shee...

2016
Azhar A. Pirzado Guillaume Dalmas Lam Nguyen-Dinh Ivan Komissarov Francois Le Normand Izabela Janowska

Few layer graphene (FLG) was synthesized by -wave assisted exfoliation of expanded graphite in toluene with an overall yield from c.a. 7% to 20%. A significant difference in the absorption of -waves by the expanded graphite and toluene allowed a rapid heating of the medium. The number of FLG sheets varies from 3 to 12, while the lateral size of the sheets exceeds few ms. The obtained FLG exhibi...

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