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) is characterized by minimal impurities, low layer counts (
to
), and high surface area, crucial for maximizing electrical conductivity and mechanical strength. Common types include graphene nanoplatelets (GNPs) with thickness of 4–20 nm, and ultra-pure single-layer graphene or graphene oxide with thicknesses near 1 nm.
Key Characteristics and Types
- Purity Levels: Top-tier graphene materials often reach purity (e.g., this supplier or this supplier).
- Graphene Nanoplatelets (GNPs): Multi-layer graphene (4–20 nm thickness) with high aspect ratios, offering excellent conductivity and tensile strength for composites.
- Single Layer Graphene (SLG): Typically 1–3 nm thick, used for advanced electronics due to higher carrier mobility.
- Graphene Oxide (GO): Highly oxidized, offering high dispersibility in water and solvent for chemical functionalization.
- Functionalized Graphene: Examples include hydroxyl-functionalized () graphene for improved dispersion in polymer matrices.
Production and Properties
- Synthesis Methods: High-purity graphene is often produced using DC arc plasma techniques or controlled, eco-friendly exfoliation methods.
- Surface Area: High-purity nanoplatelets can have a surface area of or higher.
- Properties: High-purity graphene ensures low electrical resistivity (1000–1500 S/m) and high structural integrity for industrial, thermal, and electronic applications.
Common Applications
- Conductive Additives: Used in polymers, rubbers, and composites to improve strength and anti-static properties.
- Energy Storage: Suitable for high-performance supercapacitors and batteries.
- Electronics: Used in conductive inks and microelectronics.
Available Forms
- Nanopowder: Dry, high-purity powder ready for formulation.
- Dispersions/Paste: Dispersions in water, ethanol, or NMP, providing a 1wt% concentration for easy application.
When selecting, it is crucial to balance purity requirements with the required flake size and thickness for the specific application.
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Graphene Nanoplatelets Powder | Low Price $10
Nanochemazone
https://www.nanochemazone.com › product › graphene...
Nanochemazone
https://www.nanochemazone.com › product › graphene...
Graphene Nanoplatelets Powder is generally immediately available in most volumes. High purity, submicron and nanopowder forms may be considered.Read more
In stock$10 delivery
High Purity Graphene ( 98+%, 1~3nm)
Skyspring Nanomaterials
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Skyspring Nanomaterials
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High Purity Graphene ( 98+%, 1~3nm) ; Graphene Appearance · Black powder ; Graphene Thickness · 1~3nm ; Graphene Surface Area · 250~400 m ; Electrical conductivity · EC ...Read more
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Graphene Nanoplatelet, Purity: 99.9%, Size: 5 nm, S.A
Nanographenex
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Nanographenex
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High-purity graphene nanoplatelets (99.9%) with 5 nm thickness, 850 m²/g surface area, and 5 μm diameter. Ideal for batteries, coatings, thermal management, ...
£8.00 to £6,000.00In stock
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Research Grade Single Layer Graphene Nanopowder ...
US Research Nanomaterials Inc.
https://www.us-nano.com › inc › sdetail
US Research Nanomaterials Inc.
https://www.us-nano.com › inc › sdetail
Research Grade Single Layer Graphene Nanopowder with High Purity 99.3%. $178/0.5g $280/1g. Graphene Oxide Nanopowder nanoparticles water nmp ethanol toluene ...Read more
Single Layer Nano Graphene Powder 99%Purity
Hongwu International Group Ltd
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Hongwu International Group Ltd
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Single Layer Nano Graphene Powder has a thickness 0.6-1.2nm, length 0.8-2um, 99%Purity. Graphene nanoparticle has excellent properties of thermal, electronic ...Read more
Carbon Bulk Sales Ultra High Purity Graphene Powder (4 ...
Amazon.com
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Amazon.com
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4 Layer Ultra High Purity Graphene - 10 Grams; Sourced in the USA; Perfect for use in various industries requiring the highest standards of purity and ...Read more
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High-purity graphene and carbon nanohorns prepared by ...
ScienceDirect.com
https://www.sciencedirect.com › article › abs › pii
ScienceDirect.com
https://www.sciencedirect.com › article › abs › pii
by S Hou2023Cited by 14 — High-purity few-layer graphene flakes and carbon nanohorns are synthesized by a direct current arc plasma with H 2 and N 2 as buffer gases and high-purity ...Read more
People also ask
What company makes the purest graphene?
HydroGraph Clean Power
Ontario-based HydroGraph Clean Power is one of the world's purest producers of graphene. And the company is now using the substance to improve performance and reduce material usage in plastics.Feb 29, 2024
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One of the main disadvantages of graphene is that its cost is high, especially when compared to waxing or polish and several other protection methods, including some types of nano ceramic, and the reason behind its high cost is due to its composition, in addition to the application it needs on the car.Jul 22, 2025
Advantages and disadvantages of graphene - Motorgy
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What is the biggest problem with graphene?
One of the most significant challenges in graphene production is its high cost. Producing graphene at a high quality, particularly single-layer graphene, requires advanced techniques and equipment. Many methods, such as chemical vapor deposition (CVD), involve expensive raw materials and energy-intensive processes.
What Are the Challenges in Graphene Production? - info@graphenerich ...
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Web results
High-Quality Graphene Nanoplatelets Production with 100 ...
ACS Publications
https://pubs.acs.org › doi
ACS Publications
https://pubs.acs.org › doi
High-quality and high-yield production of graphene nanoplatelets (GNPs) is the ultimate challenge in today's graphene technology that would allow mature ...Read more
Scholarly articles for high purity of Nano Graphene | |
… chemical oxidation route to high-purity nano-graphene … - Rosillo-Lopez - Cited by 53 … proof of the key role of metallic impurities in graphene- … - Mazánek - Cited by 164 Graphene at fifteen - Ye - Cited by 157 | |