In
Situ Synthesized MEMS Compatible Energetic Arrays
Based on Energetic Coordination Polymer and Nano-Al with Tunable Properties
Posted on 2020-06-23 - 19:14
Integrating energetic
materials with a microelectromechanical system
(MEMS) to achieve miniaturized integrated smart energetic microchips
is promising. The potential applications include actuation in lab-on-a-chip
devices, ignition in automobile airbags, propulsion and attitude control
of micro-/nano-satellites, and miniaturized electro-explosive devices.
In this work, a new type of MEMS-compatible energetic arrays was in
situ realized on a copper substrate, which comprised a new energetic
coordination polymer (ECP; Cu1.5C2N8O2·H2O) with tunable nanostructures and
a nano-aluminum (nano-Al) covering layer. The composition, morphology,
and energetic characteristics of the energetic arrays can be easily
tuned by adjusting the reaction time. The maximum heat release of
1850.2 J/g in thermal analysis and the intense flame in open burning
experiment proved its excellent exothermic and combustion performance.
A closed-bomb experiment further revealed that the ECP@nano-Al energetic
arrays supported on Cu(OH)2 nanorods had a peak pressure
(5.5 MPa) and a pressure duration (0.5 s) more than twice those of
nanoscale Al/CuO powder because of the introduction of gas elements
(e.g., C, H, and N). A preliminary impulse experiment was also conducted
through the torsion pendulum method. The displacement of the torsion
pendulum in the micrometer scale proved the potential application
of the energetic arrays in micropropulsion systems. Overall, this
work can serve as a reference for the synthesis and applications of
ECPs.
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Ma, Xiaoxia; Cao, Ke; Huang, Xiaona; Yang, Shaoran; Ye, Yinghua; Shen, Ruiqi; et al. (2020). In
Situ Synthesized MEMS Compatible Energetic Arrays
Based on Energetic Coordination Polymer and Nano-Al with Tunable Properties. ACS Publications. Collection. https://doi.org/10.1021/acsami.0c04827
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AUTHORS (8)
XM
Xiaoxia Ma
KC
Ke Cao
XH
Xiaona Huang
SY
Shaoran Yang
YY
Yinghua Ye
RS
Ruiqi Shen
GY
Guangcheng Yang
KZ
Kaili Zhang
KEYWORDS
impulse experimentmicroelectromechanical systemTunable Properties Integratingtorsion pendulumattitude controlreaction timeclosed-bomb experimentautomobile airbagscombustion performanceSitu Synthesized MEMS Compatibletunable nanostructuresmicropropulsion systemsarrayECPmicrometer scaleCuelectro-explosive devicescopper substrateapplicationEnergetic Coordination Polymertorsion pendulum methodcoordination polymergas elementsheat releaselab-on-a-chip devices