Results 21 to 30 of about 1,132,634 (251)

Synthesis of 4, 4'-Stilbene Dicarboxylic Acid and Aniline Modified Graphene Oxide and Its Electrochemical Performance for Supercapacitors

open access: yesInternational Journal of Electrochemical Science, 2016
Graphene oxide obtained through liquid ex-foliation of graphite flakes by improved Hammer's method have been functionalized with stilbene-4, 4'-dicarboxylic acid and aniline and electrochemical performance of covalently functionalized graphene oxide was ...
Asim Riaz, Adil Usman, Zakir Hussain
doaj   +1 more source

ANALISA PENGARUH REDUKSI TERMAL TERHADAP KERUSAKAN STRUKTUR (STRUCTURAL-DISORDER) PADA LAPISAN TIPIS GRAPHENE OXIDE TEREDUKSI

open access: yesSpektra: Jurnal Fisika dan Aplikasinya, 2017
Abstrak Tujuan penelitian ini adalah menganalisa kerusakan struktur pada lapisan tipis graphene oxide setelah direduksi pada temperatur reduksi yang bervariasi.
Biaunik Niski Kumila, ChuanPu Liu
doaj   +1 more source

Two-Beam Ultrafast Laser Scribing of Graphene Patterns with 90-nm Subdiffraction Feature Size

open access: yesUltrafast Science, 2022
The fabrication of high-resolution laser-scribed graphene devices is crucial to achieving large surface areas and thus performance breakthroughs. However, since the investigation mainly focuses on the laser-induced reduction of graphene oxide, the single-
Xi Chen, Min Gu
doaj   +1 more source

The dissimilarities between graphene and frame-like structures [PDF]

open access: yes, 2016
Modeling and simulation allow methodical variation of material properties beyond the capacity of experimental methods. Due to the hexagonal structure of graphene, it is considered as frame-like structure.
Inam, Fawad, Atif, Rasheed
core   +1 more source

Scanning Electronic Microscopy for analysis of the effects of surfactants on de-wrinkling and dispersion of graphene [PDF]

open access: yes, 2015
Graphene was dispersed using a tip sonicator and the effect of surfactants were analysed. Sodium Dodecyl Sulphate (SDS) and Polyvinyl Alcohol (PVA) were compared to observe whether or not they had any effect on any de-wrinkling, and secondly whether they
Inam, Fawad   +5 more
core   +1 more source

Graphene Oxide on the Microstructure and Mechanical Properties of Cement Based Composite Material [PDF]

open access: yesFracture and Structural Integrity, 2018
To investigate the mixing amount of graphene oxide and water cement ratio on the microstructure and mechanical properties of graphene oxide reinforced cement based composite material, graphene oxide suspension was developed using improved Hummers method,
Pang Jinchang, Wang Yeming
doaj   +3 more sources

Fully scalable one-pot method for the production of phosphonic graphene derivatives

open access: yesBeilstein Journal of Nanotechnology, 2017
Graphene oxide was functionalized with simultaneous reduction to produce phosphonated reduced graphene oxide in a novel, fully scalable, one-pot method.
Kamila Żelechowska   +4 more
doaj   +1 more source

Compatibilization of Graphene Oxide on Polypropylene/Polyamide 6 of Two Components

open access: yesCailiao gongcheng, 2017
The graphene oxide were firstly prepared by a modified Hummers method, and then blended with polypropylene(PP)/polyamide 6(PA6) blends. The compatibilizations of the graphene oxide on the PP/PA6 blends were investigated by means of scanning electron ...
HE Cong, OU Bao-li, LI Zheng-feng
doaj   +1 more source

Sample Preparation Using Graphene-Oxide-Derived Nanomaterials for the Extraction of Metals

open access: yesMolecules, 2020
Graphene oxide is a compound with a form similar to graphene, composed of carbon atoms in a sp2 single-atom layer of a hybrid connection. Due to its significant surface area and its good mechanical and thermal stability, graphene oxide has a plethora of ...
Natalia Manousi   +3 more
doaj   +1 more source

Reduced Graphene Oxide/Nickel Oxide/Polyaniline: Preparation and Properties Investigation as Supercapacitor Electrode Material

open access: yesInternational Journal of Electrochemical Science, 2017
Reduced graphene oxide/nickel oxide/polyaniline (GNP) was prepared by a two-step method. First, the reduced graphene oxide/nickel oxide composite material is prepared, and then the conductive polyaniline is loaded on the surface.
Yunshan Bai   +4 more
doaj   +1 more source

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