In situ synthesis of [Cu(BODN)·5H2O]n@nano-Al composite energetic films with tunable properties in pyro-MEMS

Liu, Wei; Feng, Yongan; Yao, Yapeng; Liang, Zihang; Xiao, Fei; Ma, Zhongliang

doi:10.1039/d3lc00282a

Lab Chip

2023

DOI: 10.1039/d3lc00282a

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In situ synthesis of [Cu(BODN)·5H₂O]_n@nano-Al composite energetic films with tunable properties in pyro-MEMS

Wei Liu,

Yongan Feng,

Yapeng Yao

et al.

Abstract: Integrating energetic materials with microelectromechanical systems (MEMS) to achieve miniaturized integrated smart energetic microchips has broad application prospects in miniaturized aerospace systems and civil explosive systems. In this work, MEMS...

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2024

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Cited by 2 publications

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Energetic Al-Coated 5,5′-Dinitro-3,3′-bi(1,2,4-triazole) Green Functionalized Cu Nanosheet Films for Ignition-Able Micro Devices

Yao,

Gou,

Liu

et al. 2024

ACS Appl. Nano Mater.

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Integrating energetic materials into microelectromechanical system (MEMS) to enhance their energy output characteristics has shown extensive potential across aerospace, defense, and civilian applications. Within this study, the MEMS compatible Cu/ DNBT (DNBT = [5,5′-dinitro-3,3′-bi(1,2,4-triazole)]) and Cu/ DNBT@nano-Al energetic films were successfully synthesized on the copper substrate using an electrochemical method and a drip coating method. The scanning electron microscope (SEM), X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), differential thermal analyses (DTA), and a pulse laser ignition test were used to analyze the morphology, composition, thermal performance, and ignition properties of the prepared samples. The findings indicate that the prepared Cu/DNBT and Cu/DNBT@nano-Al energetic films exhibit a nanostructure, and their morphology can be effectively regulated via modifications to the deposition voltage, deposition time, and aluminum plating frequency. Furthermore, the energetic properties of Cu/DNBT@nano-Al films can be adjusted after the deposition of nano-Al. Their heat release, flame height and ignition duration can reach up to 1823.1 J•g −1 , 13.5 mm, and 400 μs, respectively. These findings suggest that Cu/DNBT@ nano-Al energetic films being a prime contender for initiating powders in MEMS pyrotechnics. In summary, this work offers valuable insights into the integration and application of energetic materials in MEMS ignition devices.

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Energetic Al-Coated 5,5′-Dinitro-3,3′-bi(1,2,4-triazole) Green Functionalized Cu Nanosheet Films for Ignition-Able Micro Devices

Yao,

Gou,

Liu

et al. 2024

ACS Appl. Nano Mater.

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Nanoenergetic Materials: From Materials to Applications

Thiruvengadathan,

Wang

2024

Nanomaterials

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Both nanoscience and nanotechnology have undoubtedly contributed significantly to the development of thermite-based nanoenergetic materials (NEMs) with tunable and tailorable combustion performance and their subsequent integration into devices. Specifically, this review article reflects the immense paybacks in designing and fabricating ordered/disordered assembly of energetic materials over multiple length scales (from nano- to milli-scales) in terms of realization of desired reaction rates and sensitivity. Besides presenting a critical review of present advancements made in the synthesis of NEMs, this article touches upon aspects related to various applications concomitantly. The article concludes with the author’s summary of the insurmountable challenges and the road ahead toward the deployment of nanoenergetic materials in practical applications. The real challenge lies in the ability to preserve the self-assembly of fuel and oxidizer nanoparticles achieved at the nanoscale while synthesizing macroscale energetic formulations using advanced fabrication techniques both in bulk and thin film forms. Most importantly, these self-assembled NEMs have to exhibit excellent combustion performance at reduced sensitivity to external stimuli such as electrostatic discharge (ESD), friction and impact.

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In situ synthesis of [Cu(BODN)·5H₂O]_n@nano-Al composite energetic films with tunable properties in pyro-MEMS

Abstract: Integrating energetic materials with microelectromechanical systems (MEMS) to achieve miniaturized integrated smart energetic microchips has broad application prospects in miniaturized aerospace systems and civil explosive systems. In this work, MEMS...

Cited by 2 publications

References 43 publications

Energetic Al-Coated 5,5′-Dinitro-3,3′-bi(1,2,4-triazole) Green Functionalized Cu Nanosheet Films for Ignition-Able Micro Devices

Energetic Al-Coated 5,5′-Dinitro-3,3′-bi(1,2,4-triazole) Green Functionalized Cu Nanosheet Films for Ignition-Able Micro Devices

Nanoenergetic Materials: From Materials to Applications

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