A liquid metal catalyst for the conversion of ethanol into graphitic carbon layers under an ultrasonic cavitation field.
Hideya KawasakiTomoko OtsukiFumiya SuginoKen YamamotoTomoharu TokunagaRintaro TokuraTetsu YonezawaPublished in: Chemical communications (Cambridge, England) (2022)
Eutectic gallium indium (EGaIn) has drawn considerable research interest in potential liquid catalysis. Herein, we report that EGaIn liquid metal acts as a catalyst for the growth of a graphitic carbon layer from ethanol under ultrasonication. High-speed imaging demonstrated the formation of ultrasonic cavitation bubbles at the liquid metal/ethanol interface, which facilitated the pyrolysis of ethanol into graphitic carbon on the liquid metal surface.