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Nitrated Graphene Oxide Derived from Graphite Oxide: A Promising Energetic Two-Dimensional Material
Fayang Guan1, Hui Ren1, Lan Yu2
1State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, China.
Nanomaterials (Basel, Switzerland)
|January 1, 2021
Summary
Nitrated graphene oxide (NGO) was synthesized as a novel 2D energetic material. Its enhanced hydrophobicity and thermal stability suggest potential applications in energetic devices and catalysts.
Area of Science:
- Materials Science
- Chemistry
Background:
- Graphene oxide (GO) is a precursor for novel material synthesis.
- Functional modification of GO can lead to new energetic materials.
Purpose of the Study:
- To synthesize and characterize nitrated graphene oxide (NGO) as a novel two-dimensional energetic material.
- To investigate the structural, thermal, and decomposition properties of NGO.
Main Methods:
- Preparation of NGO via nitrification of graphite oxide.
- Morphological and structural characterization.
- Density functional theory (DFT) calculations.
- Synchronous simultaneous analysis for decomposition mechanism.
Main Results:
- NGO exhibits increased surface curl and wrinkles compared to GO.
- DFT calculations confirm the formation of nitro and nitrate groups.
- NGO shows enhanced hydrophobicity, indicating improved storage stability.
- Decomposition enthalpy: 662.0 J·g⁻¹, Activation energy: 166.5 kJ·mol⁻¹.
- Thermal stability is comparable to conventional nitrate energetic materials.
Conclusions:
- Nitrated graphene oxide is a novel two-dimensional energetic material.
- NGO possesses favorable properties for potential applications.
- Applications include energetic additives, catalyst components, electrode materials, and energetic devices.
