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Plasma lightning

Plasma lightning

September 18, 2017
Lightning PLASMA by keught

Cover imageMicrowave heating can be used to promote heterogeneous reactions with carbon materials, mainly because of the heating mechanism involved in microwave radiation and the phenomenon known as microplasmas. This work presents photographic evidence of plasma formation when different carbon materials are subjected to microwave heating. Two different kinds of plasmas were observed: ball lightning and arc discharge plasmas. The intensity of the plasmas in the less ordered carbon was significantly higher at the beginning of the process.

Graphical abstract

Photographic evidence of plasma formation when different carbon materials are subjected to microwave heating is presented. Two different kinds of plasmas are observed: ball lightning and arc discharge plasmas. The intensity of the plasmas in the less ordered carbon was significantly higher at the beginning of the process.

Research highlights

► Evidence of plasma formation during microwave heating of carbons is presented. ► Two types of plasmas are observed: ball lightning and arc discharge plasmas. ► The incidence and intensity of plasmas was higher at the beginning of the process.

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