期刊
CHEMICAL ENGINEERING JOURNAL
卷 360, 期 -, 页码 1158-1166出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.cej.2018.10.174
关键词
TiO2; Ti3C2TX; Graphene film; Electromagnetic interference shielding; Lightweight; Ultrathin
资金
- National Natural Science Foundation of China [51203099]
- Chengdu Science and Technology Bureau [2015-HM01-00380-SF]
The lightweight, thin and effective electromagnetic shielding materials are needed with the growing numbers of electronic devices with small size. Here, the lightweight and ultrathin TiO2-Ti3C2TX/graphene film with the range of 5.25-9.17 mu m of thickness was prepared by vacuum filtration and pyrolysis. The electrical conductivity and electromagnetic interference shielding effectiveness (EMI SE) of TiO2-Ti3C2TX/graphene film with different amount of Ti3C2Tx were evaluated. The surface resistance and EMI SE reach 7.5 O/sq and 28 dB, respectively. A realistic parameter of special shielding effectiveness/thickness (SSE/t) is up to 30291.43 dB cm(2) g(-1) when density and thickness of the TiO2-Ti3C2TX/graphene film are considered. This work provides the strategy to produce lightweight and ultrathin film for effective EMI shielding.
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