期刊
FIBERS AND POLYMERS
卷 21, 期 2, 页码 324-333出版社
KOREAN FIBER SOC
DOI: 10.1007/s12221-020-9223-2
关键词
Cu-Ni coating; Electroless plating; Shielding effectiveness; Bio-inspired fabrication; Dopamine
资金
- National Natural Science Foundation of China [U1830108]
- Science and Technology Commission of Shanghai Municipality [17DZ1202300]
- Innovation Foundation of Shanghai Aerospace Science and Technology [SAST2018-061]
- exploratory research project of Yanchang Petroleum (Group)-Fudan University
- basic research program of Taicang Science and Technology Commission Foundation [TC2018JC05]
This research mainly prepared a bio-friendly electromagnetic interference (EMI) shielding fabric, and discussed the influence of the grammage (i.e. 120 g/m(2), 160 g/m(2) and 210 g/m(2), etc) of fabric substrate on the preparation of metal-based EMI shielding conductive fabric by electroless plating. A series of steps involved mercerization, dopamine (DoPA) modification, Ni0 seeding and electroless copper-nickel (Cu-Ni) plating were carried out to fabricate ideal EMI shielding fabric. The prepared Cu-Ni fabric endowed relatively high EMI shielding effectiveness (SE) (34.80-42.00 dB) ranging from 30 to 4500 MHz, which made it a huge potential in the field of wearable EMI shielding. Moreover, another discovery was that a relative higher grammage may lead to a lower total metal loading. Furthermore, Fourier transformation infrared (FTIR) spectroscopy and X-ray photoelectron spectroscopy (XPS) measurements were conducted to verify the introduction of functional groups in mercerization, modification and activation procedures. The crystalline phases and morphologies of resulting Cu-Ni coatings were characterized by X-ray diffraction (XRD) and field emission-scanning electron microscopy (FE-SEM) measurements. The atomic ratio (at.%) of Cu and Ni in the sample was determined by Energy Dispersive X-ray Spectroscopy (EDX) measurements. Overall, the Cu-Ni alloy fabric prepared in this research met the requirements of health, coating lining and EMI shielding.
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