Journal
ROYAL SOCIETY OPEN SCIENCE
Volume 4, Issue 12, Pages -Publisher
ROYAL SOC
DOI: 10.1098/rsos.171229
Keywords
MnMoO4; nanoflakes; Si-MCP; thermite; energetic materials
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Funding
- Shanghai Pujiang Program [14PJ1403600]
- National Natural Science Foundation of China [61176108, 61774060, 51576101]
- PCSIRT
- Research Innovation Foundation of ECNU [78210245]
- Huaian Science and Technology Development Funds [HAG2015054]
- Scientific Research Foundation for the Returned Overseas Chinese Scholars
- State Education Ministry
- Shanghai Key Laboratory of Multidimensional Information Processing, East China Normal University
- City University of Hong Kong Applied Research grant (ARG) [9667104]
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Nano energetic materials have attracted great attention recently owing to their potential applications for both civilian and military purposes. By introducing silicon microchannel plates (Si-MCPs) three-dimensional (3D)-ordered structures, monocrystalline MnMoO4 with a size of tens of micrometres and polycrystalline MnMoO4 nanoflakes are produced on the surface and sidewall of nickel-coated Si-MCP, respectively. The MnMoO4 crystals ripen controllably forming polycrystalline nanoflakes with lattice fringes of 0.542 nm corresponding to the ((1) over bar 11) plane on the sidewall. And these MnMoO4 nanoflakes show apparent thermite performance which is rarely reported and represents MnMoO4 becoming a new category of energetic materials after nanocrystallization. Additionally, the nanocrystallization mechanism is interpreted by ionic diffusion caused by 3D structure. The results indicate that the Si-MCP is a promising substrate for nanocrystallization of energetic materials such as MnMoO4.
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