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Xiaolei Zheng,Qun Wang,Xiaoqiang Li,Changkuan Zheng,Chenjie Shen 한양대학교 청정에너지연구소 2023 Journal of Ceramic Processing Research Vol.24 No.5
Surface modification of powder materials has always been a key issue that must be faced to improve their applicationproperties and application value. Herein, an efficient and eco-friendly CH4/CF4 plasma method is used for surface modificationof materials. The surface modification mechanism of fluorocarbon plasma under different gas flow ratios was detailedinvestigated by combining the kinetic analysis. The findings demonstrate that fluorocarbon plasma exhibits differentmodification mechanisms under different modification conditions. The physicochemical properties of the material surface canbe easily controlled by adjusting the ratio of fluorocarbon plasma. Functional CaTiO3 particles with core-shell structure weresuccessfully prepared when the gas flow rate ratio R=3. The modified surface exhibited extreme hydrophobicity and the lowestsurface energy. This strong application of fluorocarbon plasma technology in material surface modification offers a newavenue to prepare environmentally friendly and functional powders.