CVDGraphene on silicon oxide substrate5cmx5cm

Product Overview
We produce large-area CVD graphene on 4-inch silicon wafers with thermal oxide layers, providing an ideal platform for semiconductor device fabrication and research applications. Our graphene is synthesized using copper-catalyzed CVD processes and transferred onto standardized SiO₂/Si substrates, ensuring excellent material quality and compatibility with existing semiconductor manufacturing processes.

Specifications

• Substrate: 4-inch silicon wafer with 300 nm thermal oxide

• Graphene Area: 5cm × 5cm

• Layer Options: Single, Double, 3-5, 6-8 layers

• Wafer Thickness: 525 μm

• Resistivity: 0.01-0.02 Ω·cm (p-type silicon)

Key Properties

• Excellent Electrical Performance: High carrier mobility (>2000 cm²/V·s)

• Outstanding Optical Transparency: >97% visible light transmittance

• Superior Mechanical Properties: High flexibility with 1.0 TPa Young’s modulus

• Thermal Stability: Stable up to 600°C in air

• Chemical Inertness: Resistant to most solvents and acids

Product Features

• Standard 4-inch wafer format for easy processing

• Excellent optical contrast for layer identification

• Compatible with photolithography and etching processes

• High uniformity across entire substrate

• Ready for immediate device fabrication

Applications

• High-performance field-effect transistors

• Transparent conductive electrodes and displays

• Advanced chemical and biological sensors

• Solar cells and energy storage devices

• Flexible electronics and wearable devices

• Research and educational applications

Technical Advantages

• Direct integration with semiconductor fabrication lines

• Excellent substrate for electrical characterization

• Ideal for optical and Raman spectroscopy studies

• Suitable for large-scale device arrays

• Compatible with automated processing equipment

Quality Assurance

• Comprehensive Raman spectroscopy mapping

• Optical microscopy inspection for defects

• Electrical transport property verification

• Thickness uniformity testing

• Surface cleanliness certification

Contact Information
For technical specifications and volume pricing:
Email: sales@maxnanotech.com