Continuous Production of Spherical Particles

Ultrasonic spray pyrolysis is well-suited for the continuous production of spherical particles from low-volatility precursors, eliminating many of the safety concerns that arise from the hydrocarbon pyrolysis techniques. With ultrasonic spray pyrolysis, ultrasound is used to produce precursor solution droplets dispersed in a carrier gas. As these aerosol droplets are then heated, solvent evaporation and precursor decomposition occurs, generating product, generally with spherical morphology. With low volatility precursors, the reactions responsible for product formation are confined within the individual droplets.

In this way, the droplets formed during ultrasonic spray pyrolysis act as individual submicrometer-sized chemical reactors that impose morphology control on the products. Additionally, since one droplet can produce one particle, simply changing the concentration of the precursor solution will change the size of the particle produced.

About Cheersonic

Cheersonic is the leading developer and manufacturer of ultrasonic coating systems for applying precise, thin film coatings to protect, strengthen or smooth surfaces on parts and components for the microelectronics/electronics, alternative energy, medical and industrial markets, including specialized glass applications in construction and automotive.

Our coating solutions are environmentally-friendly, efficient and highly reliable, and enable dramatic reductions in overspray, savings in raw material, water and energy usage and provide improved process repeatability, transfer efficiency, high uniformity and reduced emissions.

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