What is rGO?
Reduced Graphene Oxide (rGO)
rGO (reduced graphene oxide) is a partially reduced, defect-rich reduced graphene-sheet material with lower oxygen functionality. Its residual oxygen chemistry, reduction state, sheet contacts, and dispersion quality define the material-level integration boundary.
Technical owner: Aurexene Materials Engineering Team · Last updated: 2026-07-26
Quick Answer
rGO (reduced graphene oxide) is a partially reduced, defect-rich graphene-based nanosheet material.
What It Is Not
- rGO is reduced graphene oxide, not graphene oxide and not necessarily pristine defect-free graphene.
When Not to Use It
- Do not use rGO when oxygen-rich GO surface chemistry, pristine graphene quality, or electrical insulation is required.
Intrinsic Screening Summary
- Identity screen
- CₓHᵧO𝓏 reduced graphene oxide (non-stoichiometric); Plate-like, few- to multi-layer nanosheets with re-stacking tendency
- Intrinsic feature
- Treat rGO as a reduction-history-dependent material, not as a universal conductive endpoint. Residual chemistry and sheet contacts must be measured with the exact grade and process route.
- Material-level integration
- Record supplied form, carrier or residue, shear history, drying route, restacking, and post-process sheet-contact continuity. Hold reduction state, dispersion energy, solids, and final geometry constant when comparing network retention between grades.
Application Fit
Material Identity & Specification Status
Approved values for Density, Purity, and Packaging are not published; confirm them during quotation or sample review.
| Property | Value |
|---|---|
| Composition | CₓHᵧO𝓏 reduced graphene oxide (non-stoichiometric) |
| CAS / identity | 1034343-98-0 |
| Particle size | Broad lateral-size distribution; grade-specific dimensions on request |
| Morphology | Plate-like, few- to multi-layer nanosheets with re-stacking tendency |
| Storage | Store tightly closed in a cool, dry, well-ventilated area; protect from moisture, excessive heat, and direct sunlight |
Why It Works
| Structure | Function | Mechanism |
|---|---|---|
| Reduced graphene sheets with grade-specific residual oxygen, defects, reduction history, flake geometry, and supplied form. | The reduced sheet state shifts the material screen toward network formation, junction quality, restacking, and retention of the reduced chemistry through processing. | Treat rGO as a reduction-history-dependent material, not as a universal conductive endpoint. Residual chemistry and sheet contacts must be measured with the exact grade and process route. |
Compare Material Routes
| Material / Route | Decision Boundary |
|---|---|
| GO | rGO provides a reduced-sheet route where network formation and sheet-to-sheet contacts are the material-level questions. GO retains more oxygen functionality and may follow a different wetting, functionalization, assembly, or later-reduction path; compare exact residual chemistry and process history. |
Technical Guides
| Technical Guide | Summary |
|---|---|
| Why Carbon Black, CNT, Graphene, and Expanded Graphite Require Different Dispersion Strategies | Why Carbon Black, CNT, Graphene, and Expanded Graphite Require Different Dispersion Strategies — a method-conditioned engineering guide for Conductive Plastics & Coatings covering structure-function behavior at the material, interface, and finished-system boundary, process limits, validation, and qualification boundaries. |
| How to Distinguish GNP, GO, rGO, Ionic-Liquid Exfoliated Graphene, and 3D Graphene | A material-native graphene family map that separates chemical identity, sheet or network architecture, oxidation and defect state, supplied form, functional role, processing risk, first screen, and evidence required. |
Documents & Inquiry
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Technical Data Sheet
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Safety Data Sheet
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Grade, Sample & Qualification Support
The Aurexene Materials Engineering Team can review the required form, host system, formulation or process, target, sample quantity, volume and timeline, and the grade-specific evidence needed before qualification.
Review Lab Capabilities for sample evaluation and qualification support, or Production Capabilities for scale-up, quality, documentation, and supply support.
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