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Related papers: Structure of graphene oxide: thermodynamics versus…

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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

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

This paper presents a novel one-step method for the periodical nanopatterning and reduction of graphene oxide (GO). Self-organized periodic structures of reduced graphene oxide (rGO) appear on GO surfaces upon processing with a femtosecond…

Applied Physics · Physics 2018-08-16 Maren Kasischke , Stella Maragkaki , Sergej Volz , Andreas Ostendorf , Evgeny L. Gurevich

Graphene and graphene-based materials exhibit exceptional optical and electrical properties with great promise for novel applications in light detection. However, several challenges prevent the full exploitation of these properties in…

Materials Science · Physics 2018-09-20 Adolfo De Sanctis , Jake D. Mehew , Monica F. Craciun , Saverio Russo

The laminated structure of graphene oxide (GO) confers unique interactions with water molecules which may be utilised in a range of applications that require materials with tuneable hygroscopic properties. Precise roles of the expandable…

Materials Science · Physics 2020-07-03 B. Lian , S. De Luca , Y. You , S. Alwarappan , M. Yoshimura , V. Sahajwalla , S. C. Smith , G. Leslie , R. K. Joshi

The implementation of graphene in semiconducting technology requires the precise knowledge about the graphene-semiconductor interface. In our work the structure and electronic properties of the graphene/$n$-Ge(110) interface are…

Previous studies indicate that the properties of graphene oxide (GO) can be significantly improved by enhancing its graphitic domain size through thermal diffusion and clustering of functional groups. Remarkably, this transition takes place…

In this report we have pointed out that magnetic hysteresis loop can be used as a probe to distinguish a single layer from a many layer graphitic structure. Chemically we have synthesized graphitic oxide (GO) and reduced graphitic oxide…

Mesoscale and Nanoscale Physics · Physics 2016-10-05 K. Bagani , B. Ghosh , M. K. Ray , N. Gayathri , M. Sardar , S. Banerjee

Graphene epoxide, with oxygen atoms lining up on pristine graphene sheets, is investigated theoretically in this Letter. Two distinct phases: metastable clamped and unzipped structures are unveiled in consistence with experiments. In the…

Materials Science · Physics 2010-01-08 Zhiping Xu , Kun Xue

The allure of all carbon electronics stems from the spread in physical properties, across all its allotropes. The scheme also harbours unique challenges, like tunability of band-gap, variability of doping and defect control. Here, we…

Mesoscale and Nanoscale Physics · Physics 2021-12-30 Arijit Kayal , Harikrishnan Gopalakrishnan , Kingshuk Bandopadhyay , Amit Kumar , S. Ravi P. Silva , J. Mitra

The subject of thermal transport at the mesoscopic scale and in low-dimensional systems is interesting for both fundamental research and practical applications. As the first example of truly two-dimensional materials, graphene has…

Materials Science · Physics 2014-06-10 Yong Xu , Zuanyi Li , Wenhui Duan

Despite the recent developments in Graphene Oxide due to its importance as a host precursor of Graphene, the detailed electronic structure and its evolution during the thermal reduction remain largely unknown, hindering its potential…

Materials Science · Physics 2011-08-31 Abhijit Ganguly , Surbhi Sharma , Pagona Papakonstantinou , Jeremy Hamilton

The ability to tune charge storage properties of graphene oxide (GO) is of utmost importance for energy conversion applications. Here we show that electrochemical reduction of GO is highly sensitive to the cations present in the solution.…

Materials Science · Physics 2018-09-05 Dalibor Karačić , Selma Korać , Igor A. Pašti , Sanjin J. Gutić

The production of large area interfaces and the use of scalable methods to build-up designed nanostructures generating advanced functional properties are of high interest for many materials science applications. Nevertheless, large area…

Based on density functional calculations, we demonstrate a significant difference in oxidation patterns between graphene and graphite and the formation of defects after oxidation. Step-by-step modeling demonstrates that oxidation of 80% of…

Materials Science · Physics 2014-11-06 D. W. Boukhvalov

This review on graphene, a one atom thick, two-dimensional sheet of carbon atoms, starts with a general description of the graphene electronic structure as well as a basic experimental toolkit for identifying and handling this material.…

Materials Science · Physics 2010-11-22 Caterina Soldano , Ather Mahmood , Erik Dujardin

On-chip integration of two-dimensional (2D) materials with unique structures and distinctive properties endow integrated devices with new functionalities and improved performance. With a high flexibility in modifying its properties and a…

Optics · Physics 2024-06-06 David J. Moss

Ordered distributions of carbon and substitutional dopant (A) atoms over the sites of a graphene lattice and problem of their stability are considered theoretically. The ranges of values of interatomic-interaction parameters providing the…

Materials Science · Physics 2014-06-03 T. M. Radchenko , V. A. Tatarenko

Graphite oxide is an amorphous insulator. Although several models have been suggested, its structure remains controversial. To elucidate this issue, 5 samples were prepared by the Brodie process and the Staudenmaier process. The electronic…

Materials Science · Physics 2011-03-03 D. W. Lee , J. W. Seo

While graphene oxide (GO) is representative of a disordered phase of oxocarbons with lackluster electronic properties, the coexistence of ordered, stoichiometric solid-state carbon oxides with graphene brings renewed momentum to the…

Materials Science · Physics 2024-01-23 N. Hassani , A. Movafegh-Ghadirli , Z. Mahdavifar , F. M. Peeters , M. Neek-Amal
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