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Preparation of nano-cerium dioxide and its effect on the thermal decomposition of ammonium perchlorate

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Abstract

Detonation synthesis method was introduced to prepare nano-cerium dioxide. Nano-cerium oxide was obtained by this novel method and its effect on the thermal decomposition of ammonium perchlorate (AP) was studied. X-ray diffraction and transmission electron microscope were used to characterize as-prepared materials. Results showed that as-prepared cerium dioxide was cubic phase and its morphology was nearly spherical. The mean size of as-prepared cerium dioxide particles was 55 nm. Differential scanning calorimetry (DSC) was used to test the effect of as-prepared nano-cerium dioxide on the thermal decomposition of AP. Kissinger method was introduced to calculate activation energy of different specimens according to DSC data. Results indicated that nano-cerium dioxide synthesized by detonation method had catalytic effect on thermal decomposition of AP and could decrease activation energy of AP/CeO2 mixture.

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Acknowledgements

This project was financially supported by the Natural Science Foundation of Jiangsu province (BK20130760).

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Authors and Affiliations

  1. School of Chemical Engineering, Nanjing University of Science & Technology, Nanjing, China

    Zhi-wei Han & Sen Xu

  2. State Key Laboratory of Fire Science, University of Science & Technology of China, Hefei, China

    Yu-chong Han

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  1. Zhi-wei Han
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  2. Yu-chong Han
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  3. Sen Xu
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Correspondence to Sen Xu.

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Han, Zw., Han, Yc. & Xu, S. Preparation of nano-cerium dioxide and its effect on the thermal decomposition of ammonium perchlorate. J Therm Anal Calorim 116, 273–278 (2014). https://doi.org/10.1007/s10973-013-3528-y

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  • DOI: https://doi.org/10.1007/s10973-013-3528-y

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