Single Layer Graphene Oxide, Purity: 99.5 %

Technical Specification:

1. Material Composition:
   • Material: Single-Layer Graphene Oxide (GO).
     • Consists of monolayer sheets of graphene oxide derived from graphite.
   • Purity: 99.5%.
     • Ensures minimal impurities, optimizing performance for advanced applications.
2. Physical Properties:
   • Form: Brownish-yellow powder or aqueous dispersion.
   • Layer Thickness: ~1 nm, confirming a single-layer structure.
   • Lateral Size: Typically ranges from <1 µm to several micrometers, depending on synthesis.
   • Specific Surface Area: High, typically >700 m²/g.
   • Oxygen Content: 30–50% by weight, depending on oxidation level.
3. Chemical Properties:
   • Functional Groups:
     • Rich in oxygen-containing groups: hydroxyl (-OH), carboxyl (-COOH), and epoxy (-C-O-C).
   • Dispersibility:
     • Excellent in water and polar solvents, forming stable colloidal solutions.
   • pH:
     • Slightly acidic to neutral, based on dispersion medium.
4. Thermal and Electrical Properties:
   • Thermal Stability:
     • Decomposes at temperatures >200°C, losing oxygen functional groups.
   • Electrical Conductivity:
     • Insulating due to oxygen groups but can be restored to conductive reduced graphene oxide (rGO) through chemical or thermal reduction.
5. Packaging:
   • Supplied as a powder or dispersion in containers ranging from 10 g to 1 kg or larger for industrial use.

Applications:

1. Primary Applications:
   • Energy Storage:
     • Serves as an electrode material in lithium-ion batteries, supercapacitors, and fuel cells.
   • Coatings and Films:
     • Forms barrier layers with excellent mechanical and thermal properties.
   • Advanced Composites:
     • Enhances electrical, mechanical, and thermal properties of polymers, ceramics, and metals.
2. Industries:
   • Electronics:
     • Used in flexible circuits, transparent conductive films, and sensors.
   • Energy:
     • Improves performance in energy storage devices like batteries and supercapacitors.
   • Biomedical:
     • Applied in drug delivery systems, biosensors, and tissue engineering.
   • Environmental:
     • Used in water treatment and pollutant adsorption.
3. Advantages for Applications:
   • High Surface Area:
     • Facilitates ion and molecular interactions, especially in energy storage and catalysis.
   • Excellent Dispersibility:
     • Allows uniform coatings and easy integration into composites.
   • Functionalization:
     • Oxygen groups enable chemical modifications for specific applications.
   • Mechanical Strength:
     • Improves durability and flexibility in composite materials.
4. Specialized Uses:
   • Catalysis:
     • Acts as a catalyst or catalyst support in chemical reactions.
   • Sensors:
     • Enhances sensitivity and specificity in gas and chemical sensors.
   • Membranes:
     • Used in filtration for water purification and gas separation.
   • Nanotechnology:
     • Serves as a template for fabricating advanced nanostructures.
5. Challenges and Mitigation:
   • Electrical Insulation:
     • Pristine GO is electrically insulating due to oxygen functional groups.
       • Solution: Reduce GO to rGO for applications requiring conductivity.
   • Stability in Solution:
     • GO dispersions may settle over time.
       • Solution: Shake or ultrasonicate before use.
   • pH Sensitivity:
     • pH may affect stability and application.
       • Solution: Adjust pH as needed for specific applications.

Storage Guidelines:

• Temperature: Store in a cool, dry place, away from direct sunlight or freezing conditions.
• Container: Use airtight containers to prevent contamination and moisture absorption.
• Handling: Employ appropriate safety measures to avoid inhalation or contact with skin.

Summary:

Single-Layer Graphene Oxide with 99.5% purity is a versatile nanomaterial ideal for applications in energy storage, coatings, composites, and advanced electronics. Its high surface area, excellent dispersibility, and oxygen-functionalized surface enable integration into diverse systems, making it indispensable for industrial and research purposes. Proper storage and handling ensure consistent performance and long-term stability.