Nano-CuI was fabricated by an element-direct-reaction route at 40 °C in acetonitrile, and used as a catalyst in the thermal decomposition of ammonium perchlorate. The effects of polyvinyl pirrolidone (PVP) as an additive in the preparation of the catalyst and the addition amount of the catalyst in thermal decomposition reaction on the catalytic activity were investigated. Meanwhile, the morphologies and composition of the catalyst were also identified by X-ray diffraction, scanning electron microscopy, transmission electron microscopy, and energy dispersive X-ray spectroscopy. The results showed that nano-CuI can remarkably decrease the higher decomposition temperature of ammonium perchlorate by more than 100 °C, and that the temperature can be further reduced by using the nano-CuI catalyst with PVP as an additive in preparation. In addition, smaller crystallite size and increasing addition amount of nano-CuI in the thermal decomposition are favorable for improving its catalytic activity.
Research on Chemical Intermediates – Springer Journals
Published: Dec 11, 2013
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