Flexible and Biocompatible Polystyrene/Multi-walled Carbon Nanotubes Films with High Permittivity and Low Loss
Chong Wang, Zheng Zhang, Xiaohui Xu, Haikun Wu, Dechun Liu, Shuwei Meng, Guixian Li, Yulei Wei, Xiaomin Li, Guomin Wang, Peitao Xie and Chunzhao Liu
1 State Key Laboratory of Bio-fibers and Eco-textiles, Institute of Biochemical Engineering, College of Materials Science and Engineering, Qingdao University, Qingdao, 266071, China
2 Department of Orthopaedics and Traumatology, The University of Hong Kong, Pokfulam, Hong Kong, 999077, China
3 Department of Applied Mathematics, The Hong Kong Polytechnic University, Hong Kong, 999077, China
4 Department of Chemistry, Hong Kong Baptist University, Hong Kong, 999077, China
5 Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials (Ministry of Education), Shandong University, 17923 Jingshi Road, Jinan, 250061, China
6 Qingdao Municipal Hospital, Qingdao, 266071, China
7 The 8511 research Institute of China Aerospace Science and Industry Corporation Limited (CASIC), Nanjing, 210007, China
8 Shandong Sinocera Functional Material Co., LTD., Dongying, 257100, China
9 Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong, 999077, China
10 Department of Materials Science and Engineering, City University of Hong Kong, Kowloon, Hong Kong, 999077, China
11 Foshan (Southern China) Institute for New Materials, Foshan, 528200, China
Abstract
Percolative composites with high permittivity and low loss have drawn enormous attention in the research community, exhibiting wide range of applications in sensors, capacitors, field-effect transistors, antennas, etc. In this work, flexible and biocompatible polystyrene/multi-walled carbon nanotubes (PS/MWCNTs) films with high permittivity and low loss near percolation threshold were achieved by solution mixing assisted with non-solvent induced phase separation (NIPS) strategy and followed by the hot press method. Cytotoxicity experiments proved that the experimental process and products are green, environmentally friendly and biocompatible. The microstructure and dielectric properties were investigated. When MWCNTs content reached 15 wt%, high permittivity and low loss were simultaneously realized. Combining the flexibility and non-toxicity, the PS/MWCNTs films with high permittivity and low loss exhibit great potentials in wearable devices, skin sensors and flexible electronics.
Publication details
Received: 13 Aug 2022
Revised: 25 Oct 2022
Accepted: 22 Nov 2022
Published online: 24 Nov 2022
Article type:
Research Paper
DOI:
10.30919/esmm5f791
Volume:
19
Article :
791
Citation:
ES Materials & Manufacturing, 2023, 19, 791
Permissions:
Copyright
Number of downloads:
2494
Citation Information:
16
Description:
The polymer percolative composite films showed high permittivity and low dielectric loss as well as ....
The polymer percolative composite films showed high permittivity and low dielectric loss as well as excellent flexible and biocompatible performance.
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