Materials Science and Technology · 2006 · 134 citations · 37 references
Natural SciencesMaterials EngineeringMaterials ScienceEnergy MaterialsNanomaterialsNanotechnologyFuel ChemistryNanoenergy MaterialsNanomaterial CharacterizationNanoparticle CharacterizationNanostructured Energy MaterialsReaction DynamicsEnergyEnergy ReleaseEnergy Release RateExplosivesNanoparticlesNanoscale Materials Characterization
Nanotechnology has recently been introduced into energetic materials research. The authors explore creating nanoenergetic materials tailored for specific applications by controlling spatial organization from nanometres to metres, noting that a fundamental understanding of structure–performance relationships is lacking. They use high‑time‑ and space‑resolution molecular spectroscopy to elucidate how fuel nanoparticles react with oxidisers and to link nanoenergetic structure to performance metrics such as energy release rate and reaction propagation rate. Nanoparticle‑based materials can release more than twice the energy of the best molecular explosives.
A significant recent development in the field of energetic materials has been the introduction of nanotechnology. Nanoparticle based materials have the potential of releasing more than twice as much energy as the best molecular explosives. The possibility of developing nanoenergetic materials that are optimised for specific applications by controlling the spatial organisation on length scales ranging from nanometres to metres is discussed. To do so a fundamental understanding of the relationships between structure and performance that does not yet exist is required. Experimental measurements using molecular spectroscopy with high time and space resolution are presented that help clarify the fundamental mechanisms of reaction between fuel nanoparticles and surrounding oxidisers, and the relationships between nanoenergetic structure and performance properties such as the energy release rate and the reaction propagation rate.
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