Jan 28, 2014 graphene oxide is being used in energy, optical, electronic and sensor devices due to its unique properties. Thermal transport in graphene oxide from ballistic. Structurally, graphene oxide can be visualized as a graphene sheet with its basal plane decorated by oxygencontaining. Graphene has also been grown by the thermal chemical vapor deposition tcvd method, which consists of decomposition of hot hydrocarbon sources on catalytic surfaces or surface. Graphene oxide is being used in energy, optical, electronic and sensor devices due to its unique properties. Lightscribe is a directtodisc labelling technology that burns text and. Intercalated graphene oxide for flexible and practically. Laserscribed graphene electrodes for supercapacitors. Materials for flexible, stretchable electronics 16. Pdf feasibility of nano graphene oxide powder with. Sigmaaldrich offers a number of graphene oxide products. Graphene oxide 1520 sheets, 410% edgeoxidized, 1 mgml, dispersion in h2o. Lightscribe drives to reduce graphene oxide films deposited on specialized. Scalable fabrication of highpower graphene microsupercapacitors.
Graphene oxide go, the main precursor of graphene based materials made by solution processing, is known to be very stiff. Here we bypass the original dye matrix results and discussion by depositing a thin layer of graphite oxide on top of a here we show that lightscribe. Welcome to the diy graphene supercapacitors lightscribe method wiki edit my project was to make a graphene supercapacitor wiki with a sop and video documentation, so others can follow my method. Laser scribing of highperformance and flexible graphene. Reduced graphene oxide is a form of graphene oxide that has had oxygencontaining groups removed in order to make the flakes more similar in terms of properties to pure graphene. We prepared graphite oxide by modified hummers method and used pet film as a flexible substrate on which graphite oxide go was coated. Graphite oxide, formerly called graphitic oxide or graphitic acid, is a compound of carbon, oxygen, and hydrogen in variable ratios, obtained by treating graphite with strong oxidizers. Subsequently reduced graphene oxide rgo having few layer graphene is extracted from go by the thermal reduction of go. The produced films are mechanically robust, show high electrical.
Go plays important roles in the sustainable development of energy and the environment, taking advantages of oxygencontaining functional groups for good dispersibility and assembly. Making graphenebased supercapacitors with dvd discs. This comprehensive volume systematically describes the fundamental aspects and applications of graphene oxide. Reduced graphene oxide powders can be purchased from ossila either as a chemicallyreduced powder or thermallyreduced powder. Although graphite oxide is a multilayer system, monolayer flakes and fewlayer flakes can be found in a graphene oxide dispersion. Fabrication of laserscribed graphene microsupercapacitors. Ncs with molecular recognition ability for bioimaging currently remains a challenge. Pdf in the present work, graphene powder was synthesized by laser scribing method. Air pollution has a considerable impact on human beings among environmental problems. First, graphene oxide go was coated on a flexible substrate, dried, and.
There, the lightscribe technology, using an infrared laser, turned the graphite oxide into graphene. Various shapes can be drawn, which allowed the scientist duo essentially to laserprint an ultracapacitor on graphene using consumergrade technology. By coating a dvd disc with a film of graphite oxide that is then laser treated inside a lightscribe dvd drive to produce graphene electrodes, researchers were able to demonstrate highperformance graphene based electrochemical capacitors that can be charged and discharged a hundred to a thousand tim. Effects of amount of graphene oxide and the times of lightscribe on. Here we propose a strategy of radical oxidation reaction for the highefficiency production of graphene oxide go. Application note graphene and graphene oxide material that can be exfoliated to form stable colloidal suspensions in water. Pdf patterning and electronic tuning of laser scribed graphene for. Areas of the coating illuminated by the lightscribe laser were turned into graphene. Lightscribe is a directtodisc labelling technology that burns text and graphics onto the surface of a cd or dvd using a laser inside.
Nanoindentation coupled with atomic force microscopy was used to study stiffness, hardness, and the reduced youngs modulus of reduced graphene oxide. Graphene oxide go chemically modified graphene prepared by oxidation and exfoliation that is accompanied by extensive oxidative modification of the basal plane. This is so the adhesive doesnt screw with the lightscribe reading the disc. The process started with the chemical oxidation of commercial graphite powder into graphite oxide by modified hummers method, followed by the exfoliation of graphite oxide in distilled water using the ultrasound frequency from a laboratory ultrasonic bath. Graphene for use in energy photovoltaics given its transparency, conductivity, mechanical strength, high surface area, and tunable band gap, graphene can fill several different roles in photovoltaic devices including as a transparent electrode and as a electron transport layer. The reduction of graphene oxide songfeng pei, huiming cheng shenyang national laboratory for materials science, institute of metal research, chinese academy of sciences, 72 wenhua road. The graphite oxide film was then burned with infrared laser irradiation using a commercially available lightscribe drive to produce graphene. Fundamentals and applications is a valuable reference for academic researchers, and industry scientists interested in graphene oxide, graphene and other carbon materials. If you are interested in making your own graphene, please scroll down to how to make graphene at home or visit a separate page with diy graphene instructions only. Mechanical characterization of reduced graphene oxide. Engineered nano materials exist in three principal shapes, namely 0d nanoparticle, 1d nano fiber and 2d nano sheet. The ptcsc was fabricated using a facile and scalable laser irradiation on graphene oxide films intercalated by sulfate ions sgo to control the mobility and concentration of dissociated protons without any liquidphase electrolytes typically used in conventional supercapacitors.
A commercially available laser source lightscribe dvd drive controlled by a computer software can be used to reduce graphene oxide go, and its repetitive scribing to a go film brings about gradual increase and decrease in electrical conductivity and neurite guiding ability of the scribed regions, respectively. Discover the gographene range of high quality, affordable graphene oxide powders and dispersions available to order online today. Graphene oxide as a substrate for a variety of chemical transformations, including its reduction to graphene like materials, is also discussed. Flexible micro supercapacitor based on laser scribed graphene. The resultant reduced graphene oxide called lsg lightscribe graphene is highly defective so that it possesses excellent performance as a. The book is designed as an introduction to the topic, so. This will allow for modification, and update of information, as. However, unlike its counterpart graphene the thermal transport properties of. We prepared graphite oxide by modified hummers method and. The effect of the laser scribing process in reducing graphene oxide go was.
Hydrazinereduction of graphite and graphene oxide sungjin park a,b, jinho an a, jeffrey r. Due to its unique properties, graphene oxide has become one of the most studied materials of the last decade and a great variety of applications have been reported in areas such as sensors, catalysis and biomedical applications. I was wondering if there was a way to take apart the dvd burner so that you could make flat squarerectangle sheets of graphene with the laser of the dvd burner as opposed to round. Here we report the preparation and characterization of graphene oxide paper, a freestanding carbonbased membrane material made by flowdirected assembly of individual graphene oxide. What is the difference between graphite oxide and graphene oxide. Patterning and electronic tuning of laser scribed graphene. Since the addition of the oxygen groups result in the breakage of the double. The tech is nothing new, but did you know you can make your own graphene using your dvd burner. Pdf scalable fabrication of highpower graphene micro. Due to the presence of oxygen functionalities, graphene oxide can easily disperse in organic solvents, water, and different matrixes. Potts a, aruna velamakanni a, shanthi murali a, rodney s. It can be wrapped up into 0d buckyballs, rolled into 1d nanotubes or stacked into 3d graphite. Since the upper size limit is predetermined by the diameter of the nanofiber precursor, the size distribution of the go nanosheets is much more uniform than that.
Mar 11, 20 this is so the adhesive doesnt screw with the lightscribe reading the disc. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. The book concludes with a chapter on the challenges of industrialscale graphene oxide production. By using this website you agree to be bound by the terms and conditions. Graphene oxide go is the oxidized analogy of graphene, recognized as the only intermediate or precursor for obtaining the latter in large scale, since the english chemist, sir brodie first reported about the oxidation of graphite centuries ago.
Graphene oxide is the oxidized form of graphene produced by oxidizing crystal graphite with a mixture of sulfuric acid, sodium nitrate, and potassium permanganate the hummers method. The application of 0d nanoparticle and 1d nano fiber, such as nano silica and carbon nanotubes cnts. Graphene oxide nanocolloids journal of the american. Due to the presence of oxygen functionalities, graphene oxide can easily disperse in. Recent advances in effective reduction of graphene oxide for. To make a long story short, they coated a thin plastic film pet with graphite oxide, designed a model on a computer, stuck the plastic sheet on a dvd and put it into the recorder.
Exposing a film of graphite oxide to the laser of a lightscribe dvd has also revealed to produce quality graphene at a low cost. Effects of amount of graphene oxide and the times of. Mechanical characterization of reduced graphene oxide using afm. No seriously all you need is a lightscribe compatible dvd burner and some graphite oxide. Scalable fabrication of highpower graphene microsupercapacitors for. A typical spectrum of untreated graphene oxide sample and a er it has undergone one to ve oxygen reductions cycles via lightscribe is shown in figure. Apr 06, 2014 it is also worth mentioning that various oxidation methods yield graphene oxide with different properties, hinting that there is no one graphene oxide. The maximally oxidized bulk product is a yellow solid with c. Silicon nanoparticlesgraphene paper composites for li ion.
Oxygen reduction on the graphene oxide sample was performed via lightscribe dvd burner reduction, a costeffective approach with potential for large scale graphene production. Natural flake graphite nfg was procured from loba chemie india having a mean size of 60 mesh and purity of 98%. Despiteits very highstiffness, weshow here thatgo is superflexible. A commercially available laser source lightscribe dvd drive controlled by a. Mar 19, 2012 to make a long story short, they coated a thin plastic film pet with graphite oxide, designed a model on a computer, stuck the plastic sheet on a dvd and put it into the recorder. In addition, transition metal oxides such as ruthenium oxide and. Diy graphene supercapacitors lightscribe method wiki fandom. Preparation and characterization of reduced graphene oxide.
Silicon nanoparticles graphene paper composites for li ion battery anodes jeongkyu lee, kurt b. The reduction of oxygen in the graphene oxide sample was estimated. In recent years, graphene oxide has attracted great concern mainly because it is a potential starting material for the mass production of graphene. Research across multiple disciplines has put it alone at the topmost concern due. About thirty years ago, the term graphene was officially claimed to define the single atomthin carbon layer of graphite, which. At an appropriate concentration, evaporation of droplets of such a colloidal suspension on a surface. Synthesis of graphene oxide go by modified hummers method. The disc is inserted into a lightscribe dvd drive and a computerdesigned circuit is etched onto. The laser heats the oxide, transforming it into graphene in precisely defined tracks, one micrometer apart. Compared with hummers method, electrochemical exfoliation of graphite is considered facile and. Graphene oxide is a singlelayer sheet of graphite oxide, which was proposed one and a half century ago. I was wondering if there was a way to take apart the dvd burner so that you could make flat squarerectangle sheets of graphene with. A complementary viewpoint is that the extracted 2d crystals become intrinsically stable by gentle crumpling. How a microscopic supercapacitor will supercharge mobile.
Graphite oxide go was synthesized from flake graphite asbury carbons, 230u. Neurite guidance on laserscribed reduced graphene oxide. Particular emphasis is directed toward the synthesis of graphene oxide, as well as its structure. The price for the graphite oxide per cd would be somewhere around 0. Ruoff a, a department of mechanical engineering and the texas materials institute, the university of texas at austin, one university station c2200, austin, tx 787120292, usa b department of chemistry, inha university, incheon 402751, republic. Mar 16, 2012 although electrochemical capacitors ecs, also known as supercapacitors or ultracapacitors, charge and discharge faster than batteries, they are still limited by low energy densities and slow rate capabilities. Pdf mechanical characterization of reduced graphene oxide. Lightscribeetched graphene dvds making supercapacitors. Youll probably want to scroll down if youve already heard about making graphene with a lightscribe dvd drive but need some graphite oxide as a starting point. The rise of graphene graphene is a rapidly rising star on. Graphene oxide go has been initially prepared by a modified hummersmethod. Microscale supercapacitors have great potential to com. Pdf mechanical characterization of reduced graphene.
Oct 03, 2015 the tech is nothing new, but did you know you can make your own graphene using your dvd burner. In this work, we present a filter that removes pm2. Synthesis of graphene oxide go by modified hummers. Graphene oxide go can be regarded as one typical twodimension structured oxygenated planar molecular material. Graphene oxide is a monolayer material with a high oxygen content, typically characterized by co atomic ratios less than 3. What is the difference between graphite oxide and graphene.
Nov 24, 2010 graphene oxide go nanocolloidssheets with lateral dimension smaller than 100 nmwere synthesized by chemical exfoliation of graphite nanofibers, in which the graphene planes are coinstacked along the length of the nanofibers. So to make a piece of graphene the size of a cd we need 37 mg graphite oxide. Graphene is a 2d building material for carbon materials of all other dimensionalities. Indeed, it has a youngs moduluscomparable to steel, on the order of 300gpa. Wafer scale graphene transfer kim et al nature 2010 mechanical peeling off in water support graphene nior cusio 2 ni or cu sio 2 rapid etching with fecl 3 aq graphene on polymer support graphene on arbitrary substrate transfer patterning patterned graphene on ni patterned graphene on arbtirary substrate postpatterning prepatterning.
In the literature there are various methods reported on synthesis of graphene sheets and their derivatives, which include mechanical cleavage of graphite, unzipping carbon nanotubes43, chemical exfoliation of graphite, solvothermal. Photosynergetic electrochemical synthesis of graphene oxide. We fabricated the graphenegraphite oxide supercapacitor using laser lightscribe technique. Additionally, the influences of the dropcast amount of graphene oxide go and the numbers of lightscribe times on the performance of the supercapacitor were systematically investigated by means of cyclic voltammetry, electrochemical impedance spectroscopy, and galvanostatic chargedischarge. In the simplest sense, graphene oxide refers to singleatom layers of carbon otherwise known as graphene with functional groups containing oxygen attached to both the sides and area of the flake. Kaner1,3 the rapid development of miniaturized electronic devices has increased the demand for compact onchip energy storage. Graphene oxide 1520 sheets, 410% edgeoxidized, 1 mgml. Thermal transport in graphene oxide from ballistic extreme. Structure and synthesis of graphene oxide sciencedirect. We fabricated the graphene graphite oxide supercapacitor using laser lightscribe technique.
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