CVD Graphene on sapphire substrate  1cmx1cm
SKU: 22687743550

CVD Graphene on sapphire substrate 1cmx1cm

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Description

CVD Graphene on sapphire substrate 1cmx1cmProduct Name Name: CVD Graphene on sapphire substrate 1cmx1cm Product Overview The process of preparing graphene by CVD mainly includes three important influencing factors: substrate, precursor, and growth conditions. Among them, the substrate is an important condition for the growth of graphene. Currently, 8 10 transition metals (such as Fe, RuCoRhIrNiPdPtCuAu And alloys (such as Co Ni, Au Ni, Ni Mo, stainless steel). The mechanism of preparing

Product Name

Name:CVD Graphene on sapphire substrate 1cmx1cm


Product Overview

 

The process of preparing graphene by CVD mainly includes three important influencing factors: substrate, precursor, and growth conditions. Among them, the substrate is an important condition for the growth of graphene. Currently, 8-10 transition metals (such as Fe, Ru,Co,Rh,Ir,Ni,Pd,Pt,Cu,Au), And alloys (such as Co Ni, Au Ni, Ni Mo, stainless steel). The mechanism of preparing graphene by CVD varies among different substrate materials, mainly divided into two preparation mechanisms: carburization and carbon deposition mechanism, which involves the infiltration of cracked carbon into the substrate at high temperatures and the formation of graphene on the surface during rapid cooling; The surface catalytic mechanism refers to the formation of graphene on the surface of carbon after cracking at high temperatures when it comes into contact with a specific metal (such as copper), and protects the sample from further deposition of thin films. Therefore, this mechanism is more likely to form single-layer graphene.

In practical applications, the synthesis method of CVD graphene film may vary depending on specific experimental requirements and conditions. Researchers typically optimize and adjust the synthesis process based on target performance and application scenarios. Meanwhile, new synthesis methods and technologies are constantly developing and exploring to improve the quality and performance of graphene films.

Usually, graphene is first grown on a metal substrate, then spin coated with PMMA and transferred onto substrates such as silicon oxide, quartz, glass, PET, or copper mesh. One step transfer of graphene film can be directly released into water. After removing the target substrate, soak it in acetone to remove PMMA for use.


Technical Parameter

 

Size: 1cm x 1 cm

Number of layers: Single layer, 2 layers, 3-5 layers,6-8 layers  

Note: Raman testing on silicon oxide substrate

 

Product Features

 

High quality: with high purity and crystallinity;

Good electrical performance: high carrier mobility and low resistivity;

High transparency: has good transparency for visible light;

High mechanical strength: has good flexibility and tolerance;

Good chemical stability: exhibits good stability at room temperature.


Application Fields

 

Electronic devices: such as field-effect transistors, capacitors, etc;

Optical components: transparent conductive films, touch screens, etc;

Sensors: chemical sensors, biosensors, etc;

Energy sector: such as solar cells, supercapacitors, etc;

Composite materials: Composite with other materials to enhance performance.


Related Information

Please e-mail for the detailed characterization data.

E-mail:[email protected]

 

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SKU: 22687743550

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Moranda
Lake Worth, US
★★★★★ 5
Great quality!! Great price
Item Package Quantity: 2, Size: Queen
Bought these for my mom and omg i like them better than the ones I got on Amazon theyre super comfy and they bounce back up they dont flatten and im definitely buying some next for me definitely worth the place great price and the make seems real good quality
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Reviewed in the United States on June 3, 2026
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Mack Mackenzie
Draper, US
★★★★★ 4
These are very thick pillows.
Item Package Quantity: 2, Size: Queen
Exactly as advertised. They are very firm and very thick. They're too thick for me to be able to use as bed pillows. However, they seem to work pretty well as cushions in my papasan chair on top of its normal cushion also work very well as decorative pillows. I'm still giving them four stars because they're exactly as advertised and they seem well made. My only complaint is that they're just too thick. And that's definitely not the fault of the pillows or the pillow maker.
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Reviewed in the United States on May 12, 2026
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Robin Smith
Bozeman, US
★★★★★ 5
how good the product is
Item Package Quantity: 4, Size: Standard
These pillows are soft, fluffy, and surprisingly supportive for the price. They’re comfortable no matter how you sleep — whether on your side, back, or stomach — and they maintain their shape well overnight without going flat. The fabric cover feels smooth and breathable, keeping things cool through the night. After a few days of fluffing and use, they settle nicely into a perfect medium firmness. They also wash and dry easily without clumping. Overall, a great‑value pillow set that offers comfort, versatility, and quality — ideal if you need an affordable yet cozy bedding refresh.
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Reviewed in the United States on April 10, 2026
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“Just Me”, LMT
Dallas, US
★★★★★ 5
Great Quality for a Great Proce!
Item Package Quantity: 2, Size: King
These pillows are very comfortable and maintain their shape. Quality is as described at a comfortable price for the quality! The pillows are comfortable; not overly firm nor flat. The density is medium and supportive; very comfortable!
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Reviewed in the United States on April 24, 2026
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MF
Charlottesville, US
★★★★★ 5
Firm and comfortable
Item Package Quantity: 2, Size: Standard
These pillows are well made. Firm, yet comfortable. I am pretty rough with my pillows. I toss and turn frequently. After one year, they are still holding up.
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Reviewed in the United States on May 17, 2026

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