The positive correlation between the dispersion and catalytic performance of Fe2O3 nanoparticles in nano-Fe2O3–ultrafine AP energetic composites supported by solid UV-vis spectroscopy

Kou, Yong; Luo, Peng; Xiao, Lei; Xin, Yanping; Zhang, Guangpu; Hu, Yubing; Gao, Hongxu; Zhao, Fengqi; Jiang, Wei; Hao, Gazi

doi:10.1039/d3dt02112b

Dalton Trans.

2023

DOI: 10.1039/d3dt02112b

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The positive correlation between the dispersion and catalytic performance of Fe₂O₃ nanoparticles in nano-Fe₂O₃–ultrafine AP energetic composites supported by solid UV-vis spectroscopy

Yong Kou,

Peng Luo,

Lei Xiao

et al.

Abstract: A method for quantitatively analyzing the dispersion of nanomaterials was developed. The intrinsic relationship between the catalytic properties and the dispersion of the nanomaterials was explored, and a good linear relationship was found.

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Cited by 4 publications

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Construction of Fe Nanoparticles Interfacial Layer on Micron Al Surface: Boosting the Efficient Energy Release of High‐Energy DAP‐4 as a Gradient Catalyst

Kou,

Lu,

et al. 2024

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The high‐energy (H2dabco)[NH4(ClO4)3] (DAP‐4) with excellent energetic performance attracts wide attention from researchers. The investigation of its interaction with the Aluminum (Al) is of great importance. However, the higher ignition threshold of DAP‐4 and the dense oxide layer (Al2O3) of Al severely limit the energy release efficiency of Al/DAP‐4. In this study, a new idea to is first proposed to improve and adjust the thermal decomposition and combustion performance of Al/DAP‐4 by constructing a highly dispersed iron (Fe) nanoparticle interfacial layer. It acts as a gradient catalyst to promote the thermal decomposition and combustion of DAP‐4 and Al, and it also act as an oxygen transport channel to promote the contact and reaction of oxidizing gases with the internal reactive Al powder. It reduces the thermal decomposition temperature of Al@Fe‐3/DAP‐4 from 386.30 °C (Al/DAP‐4) to 349.48 °C and leads to the vigorous combustion. Theoretical calculations show that Fe nanoparticle interfacial layer can facilitate the transport of oxygen through the established oxygen transport channels, and it can also significantly improve the energetic properties of Al@Fe‐3/DAP‐4 composites. In conclusion, the new approach is proposed to improve the performance of metal fuel/oxidizer composites by constructing interfacial layers, which is expected to promote their practical applications.

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Construction of Fe Nanoparticles Interfacial Layer on Micron Al Surface: Boosting the Efficient Energy Release of High‐Energy DAP‐4 as a Gradient Catalyst

Kou,

Lu,

et al. 2024

Small

View full text Add to dashboard Cite

show abstract

Comprehensive revelation of the influence mechanism for the thermal decomposition of ammonium perchlorate by ammonium oxalate

Yang,

Kou,

Wei

et al. 2025

International Communications in Heat and Mass Transfer

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Theoretical investigations on CL‑20/TNBA co-crystal explosive via density functional method and molecular dynamics method

Yu,

Song,

Wang

et al. 2023

Materials Today Communications

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The positive correlation between the dispersion and catalytic performance of Fe₂O₃ nanoparticles in nano-Fe₂O₃–ultrafine AP energetic composites supported by solid UV-vis spectroscopy

Abstract: A method for quantitatively analyzing the dispersion of nanomaterials was developed. The intrinsic relationship between the catalytic properties and the dispersion of the nanomaterials was explored, and a good linear relationship was found.

Cited by 4 publications

References 35 publications

Construction of Fe Nanoparticles Interfacial Layer on Micron Al Surface: Boosting the Efficient Energy Release of High‐Energy DAP‐4 as a Gradient Catalyst

Construction of Fe Nanoparticles Interfacial Layer on Micron Al Surface: Boosting the Efficient Energy Release of High‐Energy DAP‐4 as a Gradient Catalyst

Comprehensive revelation of the influence mechanism for the thermal decomposition of ammonium perchlorate by ammonium oxalate

Theoretical investigations on CL‑20/TNBA co-crystal explosive via density functional method and molecular dynamics method

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