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A review of colored light production by pyrotechnic materials

Journal

PROPELLANTS EXPLOSIVES PYROTECHNICS
Volume -, Issue -, Pages -

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/prep.202300012

Keywords

colored flame; fireworks; pyrotechnics; sustainability

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Pyrotechnics are versatile materials that can be controlled to produce desired effects such as light emission, smoke formation, and noise. Understanding the factors that affect their performance is crucial for achieving high color purity at specific wavelengths. This review covers various aspects of color production, including light emission mechanisms, composition components, and parameters that determine the optical wavelength band. It also explores the development of less hazardous and sustainable pyrotechnics for color production and discusses potential applications beyond conventional civilian and military purposes.
Pyrotechnics are a unique set of materials because they can be formulated to control combustion behavior to elicit desired effects such as light emission, smoke formation, and noise. The ability to enhance and control light emission is particularly desirable for entertainment purposes, as well as military applications. Designing such materials for high color purity at a specific wavelength requires an understanding of the different factors that affect their performance. This review will cover the various aspects of color production, including light emission mechanisms, components of a color composition, and key parameters that determine the optical wavelength band for these compositions. Additionally, because conventional pyrotechnic formulations are known to produce toxic emissions, less hazardous and sustainably formulated pyrotechnics for color production will also be reviewed. Finally, a short perspective is presented on the possible extension of pyrotechnic applications beyond conventional, civilian, and military purposes. image

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