Graphene: A New Era of Technology (original) (raw)
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An Overview on Properties, Production Mechanisms and Applications of Graphene
Recent years have witnessed a revolution in graphene and its applications. Today, it is a hot topic in science and engineering circles, and attracts more and more interest. This short review article presents the main contributions of research on graphene and its properties, production mechanisms and potential applications. The bibliographic review was performed searching in the Scopus, Web of Science, ScienceDirect, SciELO and Google Scholar scientific databases. As can be seen, the optimal properties of graphene makes it a revolutionary precursor key-material for research and development (R&D) to be applied in many fields such as: energy storage, electronics, purification and decontamination, oil and gas, catalysis, thin films, sensors and biosensors, composite materials among many others applications to be discovered.
Graphene composites: The materials for the future
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Abstract: The exotic physical properties of graphene have led to intense research activities on the synthesis and characterization of graphene composites during the last decade. In this article the methods developed for preparation of such materials and the different application areas are reviewed. The composites discussed are of two types, viz; graphene/polymer and inorganic/graphene. The techniques of ex-situ hybridization and in-situ hybridization have been pointed out.
Graphene: A New Generation Smart Material
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The graphene is the two dimensional carbon sheets made from the ghiphite. The π-conjugation in graphene shows extraordinary thermal, mechanical and electrical properties. It is the materials of new generation in the scope of scientific, industrial interest. In present review, the basics of graphene are highlighted with reference to its advantages with respect to other carbon based materials. The preparation of graphene at different methods is summarized with their comparative advantages. The emerging properties of the graphene are narrated with other materials of comparative behavior. The possible applications of graphene and related materials are established with reference to their structural properties.
International Journal of Education and Management Engineering, 2014
Much debate has been going on as to how nanotechnology will impact the way we live. With the discovery of Graphene, an atom thick allotrope of Carbon, new doors have opened with regard to its potential uses in the field of nanotechnology and possibilities seem endless. Much of the attention is now directed towards achieving a scalable means of production of graphene. The paper tries to highlight the properties of graphene which makes it widely sought after and lists some of the possible applications and uses.
Graphene The Wonder Material And Its Application
Graphene, The wonder material and an invention of 21st century .An allotrope of carbon a two-dimensional, single-layered sheet of sp2 hybridized carbon atoms. This wonder material has attracted much attention from researchers due to its interesting mechanical, thermal, optical, electrochemical and electronic properties. This is not only a good conductor, having resistivity: 10−6 Ω•cm and mobility 200,000 cm2 V-1 s-1 but also it is stronger than diamond having Maximum Young's modulus : ~1.3 TPa and a million times thinner than paper, The interlayer spacing : 0.33~0.36 nm. These exceptional properties have opened up new opportunities for the application of this nanomaterial in the future devices and systems. This paper is written to give a consolidated view of the synthesis, the properties with an aims to present an overview of the advancement of research in applications of graphene and its derivatives in different areas such as field emission, sensors, energy storage, electronics, catalysis, and biomedical field as well as a brief discussion on the challenges and perspectives for future research.
IJSRP, 2020
Among distinct 2-D materials, Graphene has attained higher potential due to its attractive properties. This material provided a new dimension to nanotechnology and material research. It has a 2D honeycomb structure lattice having a single layer of carbon atoms due to which it is flexible in nature, durable and lighter than any material. It has a wide range of applications starting from the fabrication of products, biological engineering, optical electronics, electrical engineering, and biomedical field. Morden Graphene's research has been directed towards the exploration of electronic properties and their electron transfer properties. This attracts the interest of scientists and engineers to come up with new theories and technologies. Experiments are conducted on Graphene to discover new features suitable for different area of interests. Graphene is among one of the materials which are undergoing intense research due to its fascinating properties from the last 2-3 decades. In this review paper, some basic properties of Graphene are discussed, followed by their respective applications, and then-current research in Graphene is explored. Overall this paper gives an overview of Graphene in terms of properties and its applications, especially in the medical sector, which will enlighten future research in the field of material science.
A Review: Graphene A Key Material in Engineering and Medical Field
International Journal of Trend in Scientific Research and Development, 2018
Graphene is found to be a versatile material having its applications near about in every field. The Paper gives an insight about the different properties of graphene and its uses in various aspects of research. The fields of particularly engineering and medical are discussed in the paper. The review has found that graphene has a good electrical, desalination, Bio medical, mechanical, thermal, optical properties. Also the it is found that doping of graphene or its derivatives like Graphene oxide (GO) on semiconductor materials improved superconductive property, enhanced capacitance values, Power conversion efficiency (PCE) in case of schottky diodes. Results also describes that graphene has good performance for water desalination with 100% salt rejection for ratio of < 0.5 (i.e for small pore size) along with many factors governing the salt rejection which is discussed in the paper. Removal of radioactive materials by graphene oxide has been studied and foun up to certain limits. Graphene is a biomedical tool against bacterias, cancer could be used for drug delivery, bio sensing, bio imaging and in many more fields.
Graphene-Based Nanocomposites: Synthesis, Mechanical Properties, and Characterizations
Polymers, 2021
Graphene-based nanocomposites possess excellent mechanical, electrical, thermal, optical, and chemical properties. These materials have potential applications in high-performance transistors, biomedical systems, sensors, and solar cells. This paper presents a critical review of the recent developments in graphene-based nanocomposite research, exploring synthesis methods, characterizations, mechanical properties, and thermal properties. Emphasis is placed on characterization techniques and mechanical properties with detailed examples from recent literature. The importance of characterization techniques including Raman spectroscopy, X-ray diffraction (XRD), atomic force microscopy (AFM), scanning electron microscopy (SEM), and high-resolution transmission electron microscopy (HRTEM) for the characterization of graphene flakes and their composites were thoroughly discussed. Finally, the effect of graphene even at very low loadings on the mechanical properties of the composite matrix wa...
Review A Brief Review of Synthesis, Properties and Applications of Graphene
Pakistan Journal of Scientific & Industrial Research Series A: Physical Sciences, 2020
At time when the limitation of silicon capabilities is being touched the finding of graphene and its exclusive properties of nano-scale are of utmost importance. The possible substitutes of following generation for quicker and minor electronics of present 21st century. Several methods and techniques are being experimented to produce graphene with enhanced properties to be used as a substitute for existing materials. Raman spectrophotometry, X-ray diffraction, field emission-scanning electron microscopy (FE-SEM) and tunneling electron microscopy are the characterizing techniques for the prepared graphene. Graphene is the core compound of interest for scientists for this decade and previous as well, because of its exceptional impact on many life disciplines. That is why the increasing trend in recent years for the graphene and graphene oxides is observed.
Synthesis and Analysis of Graphene Nano Composite
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Graphene based composites have various applications in the modern world. In which synthesis of effective composite suitable for applications is a challenging task. One among the application area of graphene composite is in wastewater treatment. Water pollution is now a days consider to be a major global health and environmental issue affecting all ecosystems as well as life forms. While considering pollution the most dominant in creating pollution is found to be the industries and factories. Saying about the industries the available facilities in the water treatment is found to be the major challenges in treating of polluted water caused by heavy metals and dyes. In factories, only lower stage of wastewater treatment is alone found to be available. Some of the industries they are installing economical based treatment plant to manage the government policies and not following the pollutant removal completely. In such case, lower level pollutants alone found to be removed and higher-le...