SKU: 69607440163

Graphene Dispersion in NMP

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Description

Graphene Dispersion in NMPProduct Name Name: Graphene slurry in NMP Product Overview Graphene is a two dimensional carbon nanomaterial composed of carbon atoms in a hexagonal honeycomb lattice, with numerous unique properties, widely used in various fields. The research on graphene can be traced back to 1948, when Austrian scientists Russ and Wager were the first to use transmission electron microscopy to capture images of a small amount of graphene layers. In 2004, British

Product Name

Name: Graphene slurry in NMP


Product Overview

 

Graphene is a two-dimensional carbon nanomaterial composed of carbon atoms in a hexagonal honeycomb lattice, with numerous unique properties, widely used in various fields. The research on graphene can be traced back to 1948, when Austrian scientists Russ and Wager were the first to use transmission electron microscopy to capture images of a small amount of graphene layers. In 2004, British scientists Andrei Geim and Konstantin Novoselov successfully peeled off a single layer of graphene, which attracted widespread attention and won them the 2010 Nobel Prize in Physics.
Graphene is a two-dimensional carbon element, and single-layer graphene is composed of single-layer carbon atoms. Each carbon atom is connected in sp ² hybrid form to form a hexagonal honeycomb like two-dimensional structure. The C-C bond length in graphene is about 0.142nm, the bond angle is 120 °, and the thickness is only 0.35nm.
Graphene is currently one of the strongest known materials, with excellent mechanical, electrical, and optical properties. It has a low resistivity and superior conductivity, and the quantum Hall effect can be observed at room temperature. In addition, graphene also possesses transparency and nonlinear optical properties.
The reactivity of graphene is mainly concentrated at the boundary groups and planar defects. It can be oxidized at high temperatures or react with oxidizing acids to produce products such as CO and CO ¡ãC Graphene can also be connected to oxygen-containing groups to generate graphene oxide, or connected to other groups to generate corresponding derivatives.
Graphene can be synthesized through mechanical exfoliation, chemical vapor deposition, redox, electrochemical and other methods.

 

Technical Parameter

 

Ingredient: Graphene、Dispersant

Flake Diameter: 0.5-3um

Thickness: 0.3-2 nm

Concentration: 4 mg/ml

 

Product Features

The graphene provided by Xianfeng Nano is prepared by liquid-phase ultrasonic exfoliation, with a complete structure and few defects, and has the following characteristics:
Excellent conductivity: Graphene has strong electron free activity on the π bond, low electrical resistivity, and superior conductivity.
High strength and toughness: Graphene is one of the materials known to have the highest strength and excellent toughness.
Good thermal conductivity: Pure defect free single-layer graphene is currently the carbon material with the highest thermal conductivity.
Chemical stability: Graphene has a very stable structure and flexible connections between carbon atoms, exhibiting good stability at room temperature.
Adjustable size: can provide various thicknesses of graphene.


Application Fields

 

The theoretical application fields of graphene include but are not limited to the following aspects:
In the field of electronics, silicon can be used as a substitute for chip materials, applied in transistors, integrated circuits, flexible screens, wearable devices, solar charging, etc;
In the field of heat dissipation materials: it can be used for heat dissipation of LED lamps and other products, with a system cost reduction of at least 30%. It can also be applied for heat dissipation of smartphones, tablets, high-power energy-saving LED lighting, satellite circuits, laser weapons, etc;
In the automotive field, it can be applied to automotive lubricants, power vehicles, night vision functions, tires, etc., greatly reducing the weight of the battery and reducing the overall weight of the vehicle, extending the battery life, and greatly improving the range and charging speed of electric vehicles;
Biomedical field: can be used for biosensors, drug delivery platforms, tissue engineering, biological imaging, etc;
Military industry: can be applied in aerospace and military industries, providing endless power for interstellar exploration, satellite orbit transformation, and other fields;
Energy field: can be used for new energy devices such as lithium-ion batteries, supercapacitors, solar cells, etc;
Composite materials field: can be used to produce new generation polymers and composite materials with stronger performance;
Sensor field: can be used for the diagnosis of glucose, cholesterol, hemoglobin, and cancer cells, and can also be used as a pH sensor to detect pollutants;
Coating field: can be used on various surfaces from glass to metal to improve corrosion resistance, new generation waterproof equipment, etc;
Conductive printing and packaging field: It can provide high conductivity, flexibility, high-speed printing, and low-temperature curing, opening the door to printed electronic products for special applications.


Related Information

Please e-mail for the detailed characterization data.

E-mail:[email protected]

 

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SKU: 69607440163

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4.2 ★★★★★
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bowonwing
West Palm Beach, US
★★★★★ 5
Glorious book on Man's (unfortunate) wars with himself
Format: Hardcover
If you have any interest in the subject matter, buy this book, it is fantastic. Many beautiful paintings and maps, some on full pages. One comment. In various parts of this book it has something called "Directory," which is just paragraphs on events that the writer did not see deserving a full page in the book. On page 42 we have "Directory: Before 1000 CE," and included is a paragraph on "Teutoburg Forest, Roman-Germanic Wars, 9 CE" The paragraph ends with: "Although there were subsequent expeditions to Germany, the Roman frontier became fixed at the Rhine (River)." Surely, this is one of the greatest battles and results in European history and should have had a full two pages in this book instead of just a short paragraph. See the Battle of the Teutoburg Forest, 9 CE. Another short fall of this book is no mention of Boudica, who in AD 60 0r 61, was defeated by the Romans (commander- Suetonius Paullinus), who went on to "rule" England and Wales to about AD 410. This is my review of Graham Webster's book "Boudica: The British revolt against Rome in AD 60: Lucid, well written on Boudica, queen of the East Anglian kingdom of the Iceni tribe, and much more. Sixteen pages of black and white photographs. Contents (all of these Chapter headings have sub-headings)1. Sources 2. The Opposing Forces and the State of Britain 54 B.C. 3. Britain between the Invasions 54 B.C.-A.D. 43 4. The Conquest of A.D. 43 5. The Storm Breaks A.D. 60 6. The Evidence from the Ground 7. The Trail of Destruction Epilogue References Bibliography Glossary of Latin Terms and Words Index 24 Plates 8 Maps and Diagrams The Epilogue, a timeless piece of writing, should be read by everyone, young and old. The last sentence of the book in the Epilogue reads: "They may help us to see more clearly what is happening in the world today, and even help us prevent some of the worst excesses of human folly and greed for power, which brings incalculable misery and suffering to the innocent majority." Re: Boudica and the final battle with Suetonius Paullinus and the approximately 12,000 men under his command and Boudica's warriors, which could have been as great as 100,000, page 99, (but could be less); we apply "O2S4 MEC:" Objective (Simplicity); Offensive, Sprit of; Superiority at Point of Contact (Economy of Force); Surprise (Security); Security (Surprise); Simplicity (Objective); Movement (Mobility); Economy of Force (Superiority at Point of Contact); Cooperation (Unity of Command) On pages 98-99 in the book we have Fig. 5-, (if this is indeed the place of the final battle took place) "The battle between Boudica and Paullinus in its possible Mancetter context," it is clear that Paullinus had chosen the place of the battle and his position to force Boudica's warriors to a frontal attack and thereby creating "Superiority at Point of Contact." And this is probably what happened, as Boudica's warriors attacked and were funneled into the Roman Legion "buzz saw" due to their "simple" frontal attack. From Fig. 5 again, it is clear that there was forest behind Paullinus and his men and the River Anker in front of them. I do not know if it would have possible to attack Paullinus from the rear by going through the forest. However, again from Fig. 5, it is apparent that Boudica's warriors probably could have attacked Paullinus from the right and left flanks (even though the Roman cavalry was on both flanks), creating a three pronged attack, negating some of the Roman's "Superiority at Point of Contact." It is clear that Boudica lost "Cooperation (Unity of Command)," or never had it in the first place, leading to the rout by Paullinus' much smaller force over a much larger force and the fate of Britain for about the next 400 years. The Roman brutality that caused this uprising and Boudica's, and her warriors response, are part of history. Paullius' (whatever you think of him), choice of the battlefield was tactically brilliant, and no one, including Boudica, could match it on the field of battle that day.
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Reviewed in the United States on April 15, 2019
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Chase Kimball
Battle Creek, US
★★★★★ 5
Poor formatting for Kindle, GREAT as a hardback
Format: Kindle
So far I am loving this book, and hating its formatting for the Kindle. Probably because of all the maps and illustrations, it is hard to enjoy on my Kindle, and I have to awkwardly change the size of the page 3-4 times on every page while I try to read it. My guess is I would really love it as a physical book. LATER: As noted I was very disappointed trying to read this on a small Kindle, but the book looked so promising that I repurchased it in hardback. WOW what a difference. Wonderful illustrations, maps, the works. Given the number of important battles chosen, it would not be possible to go into great detail on any single one, but most people are not going to remember all those details anyway, and this book gives you what you really need, and the level of detail you are likely to remember and to help you appreciate the importance of the event. Strongly recommended in hardback.
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Reviewed in the United States on March 21, 2024
M
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marmite
Houston, US
★★★★★ 5
A must-have for its educational value and the sheer pleasure it brings
Format: Hardcover
"Battles that Changed History" from the DK History Changers series is an absolute gem for history enthusiasts of any age. The book offers a captivating journey through pivotal moments, providing in-depth insights into the strategies, key figures, and circumstances that shaped the course of history. The visual richness of DK's signature style, combined with well-researched content, makes this book not only informative but also visually stunning. Each battle is presented with clarity, making complex historical events accessible and engaging. Whether you're a seasoned history buff or a casual reader, "Battles that Changed History" is a must-have for its educational value and the sheer pleasure it brings to exploring the world's transformative conflicts.
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Reviewed in the United States on November 12, 2023
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FirstSense
Houston, US
★★★★★ 5
Great book, the battle descriptions should've been more detailed
Format: Hardcover
The book looks great, both the dust jacket and the book cover are printed with the cover image. The dust jacket is textured with a matte finish and shiny silver text, while the book cover looks exactly like the front cover image provided here on Amazon (with a glossy finish). In my opinion, the dust jacket looks better. The book itself looks great. The texts are a bit too short for my taste though, as I would've like to read more detailed descriptions of each battle. Read the sample of the Battle of Marathon that's provided here. It will give you a good idea of the level of detail provided for each battle. Also, some of the battles that didn't get the full 2 page treatment were, in my opinion, significant and were deserving of getting it (Battle of Kadesh for example), while some less significant battles did get it, oddly enough. All in all, I'd definitely recommend the book, but it does have a few shortcomings mentioned above. PS. Also, Amazon, please work on your packaging. Add a few of those (styro)foam pieces with the book or something. My book did arrive mostly ok, and mostly unscathed, but when I picked up the package, the book was moving freely inside the banged up package. I'd say I got lucky it didn't get damaged too badly (apart from a few minor impact traces -- I'd say condition it arrived in was 9/10).
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Reviewed in the United States on April 28, 2019
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WryGuy2
Battle Creek, US
★★★★★ 4
Very good book with a few minor flaws
Format: Hardcover
As most books published under the DK banner, this is a visually excellent book that is a pleasure to look at. It is well written and chock-full of outstanding illustrations and maps. I do have a few minor "ding" though. First, I think that the book should have included a "why" the battle changed history. While in most cases, this rationale is included in the text, in a few cases one has to wonder "why" this battle was important; for example, they chose the World War I battle of Verdun, but they also said that the battle was "inconclusive"; if so, how did it change history? Second, I have to question the choice of some of the battles. For example, the editors list "Arnhem", which ended up as a costly allied failure, but fail to mention the wildly successful Soviet "Operation Bagration", which destroyed the German Army Group Center. Third, there were some minor factual inaccuracies. The battles of Passchendaele and Dunkirk were both shown on a map as being located in Northern Italy instead of northern France, while Operation Overlord, the Allied invasion of France, was shown on a map as being more at Pas de Calais vice the beaches of Normandy. In spite of these nits, this is a good book worthy of belonging in you library. Four stars.
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Reviewed in the United States on May 7, 2020

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