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SFPC課題組第93篇論文發表在Composites Science and Technology上

Yali Zhang, Lei Wang, Junliang Zhang, Ping Song, Zhuorui Xiao, Chaobo Liang, Hua Qiu, Jie Kong and Junwei Gu*. Fabrication and investigation on the ultra-thin and flexible Ti3C2Tx/co-doped polyaniline electromagnetic interference shielding composite films. Composites Science and Technology, 2019, 183: 107833. 2018IF=6.309. (1區/Top期刊:復合材料領域頂尖期刊)

Abstract: Polyaniline (PANI) was co-doped using dodecylbenzenesulfonic acid (DBSA) and hydrochloricacid (HCl), and few-layered Ti3C2Tx was prepared via ionic intercalation followed by sonication-assisted method. Then the Ti3C2Tx/co-doped PANI (Ti3C2Tx/c-PANI) electromagnetic interference (EMI) shielding composite films were prepared by vacuum assisted filtration. FTIR, XPS, XRD, and Raman indicated that c-PANI was successfully synthesized. XRD, SEM, AFM, and TEM revealed the successful preparation offew-layered Ti3C2Tx. The electrical conductivity, EMI shielding effectiveness (EMI SE), and tensile strength of the Ti3C2Tx/c-PANI EMI shielding composite films were all increased with increasing the mass fraction of Ti3C2Tx. When the mass ratio of Ti3C2Tx to c-PANI was 7:1, the thickness of Ti3C2Tx/c-PANI composite film was only 40 μm. And the corresponding electrical conductivity, EMI SE, and tensile strength were significantly enhanced to 24.4 S/cm, 36 dB, and 19.9 MPa, whichwere 75, 2.3, and 7.7 times those of pure c-PANI film (0.3 S/cm, 16 dB, and 2.6MPa), respectively. Our fabricated Ti3C2Tx/c-PANIEMI shielding composite films present potential applications in the high-techfields with demand for ultrathin, lightweight, and flexible EMI shielding materials.


附論文鏈接:

https://doi.org/10.1016/j.compscitech.2019.107833


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