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When liquids are exposed to intense ultrasound, high-energy chemical reactions occur, often accompanied by the emission of light. There are three...



= Encyclopedia Article; = Research Update
Figure 1.Starting with volatile precursors, such as M(CO)x(NO)y where M can be any of several metals, ultrasound can be used to break the precursor apart and liberate metal atoms that form small metal clusters of 100–1000 atoms. These clusters are then used to form various nanostructured materials.
From update 'Ultrasonic chemistry'
Figure 2.Scanning electron micrograph of sonochemically synthesized hemoglobin microspheres.
From update 'Ultrasonic chemistry'