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Related papers: Revisiting Graphene Oxide Chemistry via Spatially-…

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Graphene oxide (GO) raised substantial interest in the last two decades thanks to its unique properties beyond those of pristine graphene, including electronic energy band-gap, hydrophilic behavior and numerous anchoring sites required for…

Applied Physics · Physics 2021-04-07 O. Seri-Livni , C. Saguy , F. Horani , E. Lifshitz , D. Cheskis

Reduced graphene oxide (rGO) is a bulk-processable quasi-amorphous 2D material with broad spectral coverage and fast electronic response. rGO sheets are suspended in a polymer matrix and sequentially photoreduced while measuring the…

Materials Science · Physics 2023-06-19 Alden N. Bradley , Spencer G. Thorp , Gina Mayonado , Edward Elliott , Matt W. Graham

Graphene oxide (GO), the functionalized graphene with oxygenated groups (mainly epoxy and hydroxyl), has attracted resurgent interests in the past decade owing to its large surface area, superior physical and chemical properties, and easy…

Materials Science · Physics 2020-01-14 Xiaoming Huang , Lizhao Liu , Si Zhou , Jijun Zhao

When it is oxidized, graphite can be easily exfoliated forming graphene oxide (GO). GO is a critical intermediate for massive production of graphene, and it is also an important material with various application potentials. With many…

Materials Science · Physics 2009-12-31 Wenhua Zhang , Vincenzo Carravetta , Zhenyu Li , Yi Luo , Jinlong Yang

Graphene oxide (GO) holds significant promise for electronic devices and nanocomposite materials. A number of models were proposed for GO structure, combining carboxyl, hydroxyl, carbonyl and epoxide groups at different locations. The…

Materials Science · Physics 2015-10-28 Vitaly V. Chaban , Oleg V. Prezhdo

Graphene oxide finds applications in different fields of science, including energy conversion. Electrochemical reduction of graphene oxide (GO) significantly improves its conductivity. However, the kinetics of this process depends on the…

We report an in-depth study of the reduction of graphene oxide (GO) by in-situ thermal transmission electron microscopy (TEM) analysis. In-situ heating high-resolution TEM (HRTEM) imaging and electron energy-loss spectroscopy (EELS)…

Materials Science · Physics 2021-04-15 M. Pelaez-Fernandez , A. Bermejo , A. M. Benito , W. K. Maser , R. Arenal

The reduction of graphene oxide is one of the most facile methods to fabricate a large amount of graphene and the reduction rate of graphene oxide is related with the quality of synthesized graphene for its possible application. The…

Hydration properties of graphene oxide (GO) are essential for most of its potential applications. In this work, we employ atomistic molecular dynamics simulations to investigate seven GO compositions with different levels of oxygenation.…

Materials Science · Physics 2018-02-14 Antenor Neto , Vitaly V. Chaban , Eudes E. Fileti

The results of X-ray photoemission (XPS) and valence bands spectroscopy, optically stimulated electron emission (OSEE) measurements and density functional theory based modeling of graphene oxide (GO) placed on Cu via an electrophoretic…

Most popular atomically thin carbon material, called graphene, has got no band gap and this particular property of graphene makes it less useful from the aspect of nanoscale transistor devices. The band gap can be introduced in the graphene…

Applied Physics · Physics 2019-11-15 Pankaj Kumar

Graphene Oxide and reduced Graphene Oxide are intriguing materials for photonics and electronic devices both for intrinsic characteristics and as precursors for the synthesis of graphene. Whatever the application and the engineering…

We employ molecular dynamic simulations to study the reduction process of graphene-oxide (GO) in a chemically active environment enriched with hydrogen. We examine the concentration and pressure of hydrogen gas as a function of temperature…

Materials Science · Physics 2016-09-28 Ramin M. Abolfath , Kyeongjae Cho

The structure of graphite oxide (GO) has been systematically studied using various tools such as SEM, TEM, XRD, Fourier transform infrared spectroscopy (FT-IR), X-ray photoemission spectroscopy (XPS), 13C solid state NMR, and O K-edge X-ray…

Oxidation of graphite and subsequent exfoliation leads to single layer graphene oxide (GO). GO has found many applications across diverse fields including medicinal chemistry, catalysis as well as a precursor for graphene. One of the key…

Materials Science · Physics 2024-09-04 Sownyak Mondal , Soumya Ghosh

Rapid and controllable reduction of graphene oxide (GO) remains a critical challenge for realizing its full technological potential. Here, we report efficient reduction of GO by a synergistic electron-beam-assisted single-pulse…

Applied Physics · Physics 2026-05-05 Israt Ali , Hilaire Mba , Matthieu Picher , Shruti Verma , Florian Banhart , Kenneth R. Beyerlein

Based on density functional calculations, optimized structures of graphite oxide are found for various coverage by oxygen and hydroxyl groups, as well as their ratio corresponding to the minimum of total energy. The model proposed describes…

Materials Science · Physics 2008-09-05 Danil W. Boukhvalov , Mikhail I. Katsnelson

Increasing energy demands of modern society requires deep understanding of the properties of energy storage materials as well as their performance tuning. We show that the capacitance of graphene oxide (GO) can be precisely tuned using a…

Because of high surface area and combination of various functional groups, graphene oxide (GO) is currently one of the most actively studying materials for electroanalytical applications. Self-supported GO is not practical enough to be…

Graphene oxide is a rising star among 2D materials, yet its interaction with liquid water remains a fundamentally open question: experimental characterization at the atomic scale is difficult, and modelling by classical approaches cannot…

Materials Science · Physics 2020-03-27 Félix Mouhat , François-Xavier Coudert , Marie-Laure Bocquet
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