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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Perfenis
Lake Worth, US
★★★★★ 5
Great lead. Beautiful color that complements my baby's fur
Size: 4ft - Large (1/2"), Color: Red, Size: 4ft - Large (1/2"), Color: Red
Very good. Just wish my dog wasn't so wuick to chew things up. Multi-purpose and getting a replacement lead was simple! Arriving tomorrow.
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Reviewed in the United States on May 29, 2026
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Amazon Customer
Louisville, US
★★★★★ 5
Just right for a small dog
Pattern Name: Half Ears, Size: 25 Count (Pack of 1)
Perfect for my 9 lb mini schnauzer. It's her #1 favorite treat. Keeps her busy for a long time (a few hours). Great quality. Bag lasts a long time. Have purchased multiple times.
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Reviewed in the United States on May 28, 2026
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Karla Browner
Belleville, US
★★★★★ 5
Great product and value for the money
Pattern Name: Half Ears, Size: 4 Pound (Pack of 1)
Dog loves these. I only feed her natural food and treats. These are very healthy. She's a strong healthy 2 year old puppy. Will be buying again soon. It is a great product for the money. They are chewed up in minutes because she loves them. They do have a bit of an odor but it's not overbearing.
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Reviewed in the United States on April 2, 2026
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Kristina
Carnegie, US
★★★★★ 5
A great natural treat option, my dog approves
Pattern Name: Full Ears, Size: 8 Count, Pattern Name: Full Ears, Size: 8 Count
Ingredients: Natural pig ears 👍, they smell smoky (my dog loves it, I don’t mind it), most of the time they are a decent size. My dog is half American bully and a heavy chewer so these are a great option for him. The quality is always good, and the bags I get are always fresh. These are a good treat for him when I have to sneak out for a bit or when I am leaving for work in the morning. I have purchased these several times. I also appreciate the eco friendly bag :)
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Reviewed in the United States on February 23, 2026
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Tannika Jones
Lake Worth, US
★★★★★ 4
Dog Treats
Pattern Name: Full Ears, Size: 8 Count
The pit bull and shiba inu love them.
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Reviewed in the United States on March 4, 2026

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