What is Reduced Graphene Oxide (rGO)?

Reduced Graphene Oxide (rGO) is a form of graphene oxide that has undergone a reduction process to remove oxygen-containing groups, resulting in enhanced electrical conductivity, thermal stability, mechanical strength, and chemical inertness. It is commonly employed in electronics, energy storage, sensors, composites, and biomedical applications due to its remarkable conductivity, surface area, and mechanical properties.

Chemical Properties and CAS Number

• Material: Reduced Graphene Oxide (rGO)
• CAS Number: 1034343-98-0
• Appearance: Black powder or dispersion
• Density: Approximately 1.91 g/cm³
• Thermal Conductivity: Very high, around 1000–2000 W/m·K
• Electrical Conductivity: Excellent conductivity
• Surface Area: Very high (400-1000 m²/g)
• Chemical Stability: Stable, resistant to most chemicals and oxidation

Applications of Reduced Graphene Oxide (rGO)

1. Electronics and Semiconductors

Used in flexible electronics, conductive inks, sensors, supercapacitors, and thin-film transistors, enhancing conductivity and flexibility.

2. Energy Storage Systems

Key component in batteries, fuel cells, and supercapacitors for improved energy storage performance, power density, and charge/discharge efficiency.

2. Advanced Composite Materials

Applied in polymer composites, coatings, and structural materials to significantly enhance mechanical properties, conductivity, and thermal management.

3. Biomedical Applications

Utilized for drug delivery, biosensors, tissue engineering, and medical implants, leveraging its biocompatibility, high surface area, and chemical stability.

4. Sensors and Actuators

Ideal for environmental sensors, gas sensors, and biosensors due to its sensitivity, responsiveness, and robust stability.

Pricing of Reduced Graphene Oxide (rGO)

Pricing depends on purity, form (powder or dispersion), and application-specific requirements:

• Standard Grade: Typically ranges from $50 – $200 per gram
• High-Purity/Specialized Grade: Prices range from $200 – $500 per gram, ideal for advanced electronics, biomedical, and energy storage applications.

Factors Influencing Pricing

• Purity and oxidation level
• Particle size distribution and dispersion quality
• Production method and complexity
• Market demand from electronics, energy storage, biomedical, and composites industries

Conclusion

Reduced Graphene Oxide (rGO) offers exceptional electrical conductivity, mechanical strength, and versatility, making it a crucial material across diverse advanced technology sectors. Pricing depends significantly on purity, application-specific demands, and manufacturing complexity.