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Materials & Design v.117, 2017년, pp.104 - 110   SCIE
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Highly-reactive Al/CuO nanoenergetic materials with a tubular structure

Yin, Yanjun (College of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400044, China ) ; Li, Xueming (College of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400044, China ) ; Shu, Yuanjie (Xi'an Modern Chemistry Research Institute, Xi'an 71000, China ) ; Guo, Xiaogang (College of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400044, China ) ; Zhu, Yuhua (College of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400044, China ) ; Huang, Xinyue (College of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400044, China ) ; Bao, Hebin (College of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400044, China ) ; Xu, Ke (College of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400044, China ) ;
  • 초록  

    Abstract Al/CuO nanoenergetic materials with nanotube and nanorod morphologies were prepared and investigated in this study. The CuO nanotubes and nanorods synthesized by chemical etching are homogenous on a large scale, with an external diameter in the range of 100–200nm and typical lengths of 5–7μm. Each of these CuO nano-arrays was deposited on nano-Al by electrophoretic deposition. Using the Brunauer-Emmett-Teller method, the Al/CuO nanotube composite is determined to have a larger specific surface area (43.20m 2 /g) than that of the Al/CuO nanorod composite (16.75m 2 /g). The energy released from the Al/CuO nanotubes is approximately to 3264J/g, which is higher than that released from the Al/CuO nanorods (2013J/g). The combustion flames for the Al/CuO nanotubes are also more rapid and violent. It is speculated that the excellent output of energy and outstanding combustion performance of the Al/CuO nanotubes could be ascribed to their tubular architecture, which has a larger specific surface area enhances the intimate contact and mass transmission between fuel and oxide. Highlights The CuO nanotubes and nanorods were synthesized successfully by chemical etching without using a template. The energy release and combustion performance of the Al/CuO nanotubes are enhanced due to its tubular architecture. Graphical abstract [DISPLAY OMISSION]


  • 주제어

    Nanoenergetic materials .   Intimate contact .   Specific surface area .   Thin films.  

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