Palladium nanoparticles on electrochemically reduced chemically modified graphene oxide for non-enzymatic bimolecular sensing

RSC Advances ◽  
2013 ◽  
Vol 3 (36) ◽  
pp. 16109 ◽  
Author(s):  
M. F. Hossain ◽  
Jae Y. Park
Keyword(s):  
Graphene Oxide ◽  
Palladium Nanoparticles ◽  
Chemically Modified ◽  
Modified Graphene Oxide ◽  
Modified Graphene

scholarly journals Polyimide Aerogels Crosslinked with Chemically Modified Graphene Oxide

2015 ◽  
Vol 31 (6) ◽  
pp. 1179-1185 ◽  
Author(s):  
LIANG Yi ◽  
◽  
LU Yun ◽  
YAO Wei-Shang ◽  
ZHANG Xue-Tong
Keyword(s):  
Graphene Oxide ◽  
Chemically Modified ◽  
Modified Graphene Oxide ◽  
Modified Graphene

scholarly journals Effective removal of mercury(II) from aqueous solutions by chemically modified graphene oxide nanosheets

2020 ◽  
Vol 13 (1) ◽  
pp. 2659-2670 ◽  
Author(s):  
Fathi S. Awad ◽  
Khaled M. AbouZied ◽  
Weam M. Abou El-Maaty ◽  
Ahmad M. El-Wakil ◽  
M. Samy El-Shall
Keyword(s):  
Graphene Oxide ◽  
Aqueous Solutions ◽  
Graphene Oxide Nanosheets ◽  
Chemically Modified ◽  
Effective Removal ◽  
Modified Graphene Oxide ◽  
Modified Graphene

A chemically modified graphene oxide wrapped porous hematite nano-architecture as a high rate lithium-ion battery anode material

RSC Advances ◽  
2016 ◽  
Vol 6 (86) ◽  
pp. 82698-82706 ◽  
Author(s):  
Chandrasekar M. Subramaniyam ◽  
Md. Monirul Islam ◽  
Taslima Akhter ◽  
Dean Cardillo ◽  
Konstantin Konstantinov ◽  
...  
Keyword(s):  
Graphene Oxide ◽  
Lithium Ion Batteries ◽  
Lithium Ion Battery ◽  
Lithium Ion ◽  
High Rate ◽  
Lithium Storage ◽  
Chemically Modified ◽  
Modified Graphene Oxide ◽  
Modified Graphene ◽  
Battery Anode

Chemically modified graphene oxide wrapped porous hematite nanorods: an interconnected hollow network for excellent lithium storage in lithium ion batteries.

scholarly journals Custom-Made Chemically Modified Graphene Oxide to Improve the Anti-Scratch Resistance of Urethane-Acrylate Transparent Coatings

Coatings ◽  
2019 ◽  
Vol 9 (6) ◽  
pp. 408 ◽  
Author(s):  
Daniel Domene-López ◽  
Rubén Sarabia-Riquelme ◽  
Juan C. García-Quesada ◽  
Ignacio Martin-Gullon
Keyword(s):  
Graphene Oxide ◽  
Surface Defects ◽  
Scratch Resistance ◽  
Urethane Acrylate ◽  
Chemical Agent ◽  
Chemically Modified ◽  
Custom Made ◽  
Modified Graphene Oxide ◽  
Acrylate Resin ◽  
Modified Graphene

In this work, a thermoset ultraviolet (UV)-cured polyurethane-acrylate resin was doped with different chemically-modified graphene obtained from a commercial graphene oxide (GO): as-received GO, chemically reduced GO (rGO), GO functionalized with vinyltriethoxysilane (VTES) (GOvtes), and GO functionalized with VTES and subsequently reduced with a chemical agent (rGOvtes). Modified graphene was introduced in the oligomer component via solvent-assisted process using acetone, which was recovered after completion of the process. Results indicate that the GO-doped oligomers produce cured coatings with improved anti-scratch resistance (above the resistance of conventional coatings), without surface defects and high transparency. The anti-scratch resistance was measured with atomic force microscopy (AFM). Additionally, results are presented in terms of Wolf–Wilburn scale, a straightforward method widely accepted and employed in the coating industry.

Poly(ethylene imine)-modified graphene oxide with improved colloidal stability and its adsorption of methyl orange

2014 ◽  
Vol 70 (5) ◽  
pp. 851-857 ◽  
Author(s):  
Hongxi Liu ◽  
Ting Wu ◽  
Zhimin Wu ◽  
Yong Zhang ◽  
Keqin Xuan ◽  
...  
Keyword(s):  
Graphene Oxide ◽  
Methyl Orange ◽  
Adsorption Capacity ◽  
Colloidal Stability ◽  
Ethylene Imine ◽  
Chemically Modified ◽  
Modified Graphene Oxide ◽  
Infrared Spectrometer ◽  
Poly Ethylene ◽  
Modified Graphene

Graphene oxide (GO) was chemically modified with poly(ethylene imine) (PEI) to improve its colloidal stability and was investigated as a potential adsorbent for the removal of methyl orange (MO). The synthesis of PEI-GO was verified with a Fourier transform infrared spectrometer and thermogravimetric analysis. A series of adsorption experiments were carried out to investigate the adsorption capacity of PEI-GO. Adsorption kinetics and thermodynamics studies were performed, and the thermodynamic parameters were calculated. The results showed that PEI could improve the colloidal stability of GO in aqueous solution, and the obtained PEI-GO showed a macroscopically homogeneous dispersion after more than three months. After standing for 90 days, the Brunauer–Emmett–Teller specific surface area of GO decreased from 353 to 214 m2 · g−1, while that of PEI-GO remained almost unchanged (from 432 to 413 m2 · g−1). The PEI-GO exhibited significantly faster kinetic and higher adsorption capacity for MO than GO. Moreover, PEI-GO had a good adsorption capacity in the acidic range, and the highest adsorption of MO occurred at pH = 6.0. The adsorption of MO on PEI-GO was an endothermic, spontaneous and physisorption process.

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