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    C-60 intercalating Ti3C2Tx MXenes assisted by gamma-cyclodextrin for electromagnetic interference shielding films with high stability

    Year: 2022

    Journal: J. Mater. Sci. Technol., Volume 127, NOV 10, page 71–77

    Authors: Qian, Kunpeng; Li, Shuang; Fang, Jianhui; Yang, Yuhuan; Cao, Shaomei; Miao, Miao; Feng, Xin

    Organizations: Science and Tech-nology Commission of Shanghai Municipality [20230742300, 1859580 070 0]

    Keywords: Ti3C2Tx MXenes; C-60; High conductivity; Stability; EMI shielding

    Ti3C2Tx MXenes with excellent metallic conductivity and flexibility have shown a promising prospect as electromagnetic interference (EMI) shielding materials. Ultrathin, hierarchical hybrid films were fabricated by using C-60 intercalating Ti3C2Tx MXenes with the assistance of water-soluble gamma-cyclodextrin (CD). The C-60/CD complex was obtained by high-speed vibration milling using hydrophilic CD as dispersing agent. After thermal annealing treatment, the obtained hybrid film exhibited excellent EMI shielding (53.52 +/- 0.43 dB), hydrophobicity (water contact angle: 93.7 degrees) and mechanical stability (over 0.9 million bending times). Taking advantage of the antioxidant of C-60, the chemical durability of Ti3C2Tx MXenes based hybrid films was also improved as expected. These results indicate that the well-designed hierarchical hybrid films with the intercalation of C-60 have promising potential for high-performance EMI shielding applications. (C) 2022 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
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