Original Article
  • High-Performance Electromagnetic Interference Shielding of Acid-Doped Single-Walled Carbon Nanotubes

  • Flandy*, **, Yongho Joo*, **†

  • * Functional Composite Materials Research Center, Korea Institute of Science and Technology, Jeonbuk 55324, Republic of Korea
    ** Nanoscience and Technology, KIST School, Korea National University of Science and Technology (UST), Daejeon 34113, Republic of Korea

  • This article is an open access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

References
  • 1. Zeng, Z., Wang, G., Wolan, B. F., Wu, N.,Wang, C., Zhao, S., Yue, S., Li, B., He, W., and Liu, J., “Printable aligned single-walled carbon nanotube film with outstanding thermal conductivity and electromagnetic interference shielding performance,” Nano-Micro Letters, 2022, 14(1), 179.
  •  
  • 2. Chen, Y.-J., Dung, N. D., Li, Y.-A., Yip, M.-C., Hsu, W.-K., and Tai, N.-H., “Investigation of the electric conductivity and the electromagnetic interference shielding efficiency of SWCNTs/GNS/PAni nanocomposites,” Diamond and Related Materials, 2011, 20(8), 1183-1187.
  •  
  • 3. Kumaran, R., Kumar, S. D., Balasubramanian, N., Alagar, M., Subramanian, V., and Dinakaran, K., “Enhanced electromagnetic interference shielding in a Au–MWCNT composite nanostructure dispersed PVDF thin films,” The Journal of Physical Chemistry C,2016, 120(25), 13771-13778.
  •  
  • 4. Yu, I., Ko, J., Kim, T.-W., Lee, D. S., Kim, N. D., Bae, S., Lee, S.-K., Choi, J., Lee, S. S., and Joo, Y., “Effect of sorted, homogeneous electronic grade single-walled carbon nanotube on the electromagnetic shielding effectiveness,” Carbon, 2020, 167, 523-529.
  •  
  • 5. Nguyen, T. T. L., Cho, S. J., Ko, J., Nguyen, D. C. T., Kim, M. W., Kim, N. D., Lee, D. S., and Joo, Y., “Exceptional electromagnetic interference shielding using single-walled carbon nanotube/conductive polymer composites films with ultrathin, lightweight properties,” Carbon, 2024, 230, 119567.
  •  
  • 6. Ji, Y., Jang, J. M., Kim, J. Y., Choi, E., Jeong, H., Lee, C. H., Lee, S., Kwak, Y., Cho, Y., and Lee, H., “SWCNT/MWCNT binderless hybrid hydrogel: Towards large-scale high-performance EMI shielding coating at commercial level,” Carbon, 2025, 238, 120250
  •  
  • 7. Wan, Y.-J., Wang, X.-Y., Li, X.-M., Liao, S.-Y., Lin, Z.-Q., Hu, Y.-G., Zhao, T., Zeng, X.-L., Li, C.-H., and Yu, S.-H., “Ultrathin densified carbon nanotube film with “metal-like” conductivity, superior mechanical strength, and ultrahigh electromagnetic interference shielding effectiveness. ACS nano, 2020, 14(10), 14134-14145.
  •  
  • 8. Kharlamova, M. V., and Kramberger, C., “Applications of filled single-walled carbon nanotubes: Progress, challenges, and perspectives,” Nanomaterials, 2021, 11(11), 2863.
  •  
  • 9. Arnold, M. S., Green, A. A., Hulvat, J. F., Stupp, S. I., and Hersam, M. C., “Sorting carbon nanotubes by electronic structure using density differentiation,” Nature nanotechnology, 2006, 1(1), 60-65.
  •  
  • 10. Huang, Y., Li, N., Ma, Y., Du, F., Li, F., He, X., Lin, X., Gao, H., and Chen, Y., “The influence of single-walled carbon nanotube structure on the electromagnetic interference shielding efficiency of its epoxy composites,” Carbon, 2007, 45(8), 1614-1621.
  •  
  • 11. Vijayaraghavan, D., “Aggregates of single-walled carbon nanotube bundles in a surfactant solution,” Journal of Molecular Liquids, 2015, 209, 440-446.
  •  
  • 12. Gong, X., Hu, T., Zhang, Y., Zeng, Y., Zhang, Y., Jiang, Z., Tan, Y., Zou, Y., Wang, J., and Dai, J., “Trunk-inspired SWCNT-based wrinkled films for highly-stretchable electromagnetic interference shielding and wearable thermotherapy,” Nano-Micro Letters, 2024, 16(1), 243.
  •  
  • 13. Anilkumar, R., Abhilash, A., Indhu, K., Sunil, M., Das Krishna, D., John, H., and Aanandan, C., “CSA-doped PANI-CNT nano composites for Ku band microwave shielding applications,” Fullerenes, Nanotubes and Carbon Nanostructures, 2024, 32(12), 1193-1201.
  •  
  • 14. Dai, J., Fernandes, R. M., Regev, O., Marques, E. F., and Furo, I., “Dispersing carbon nanotubes in water with amphiphiles: dispersant adsorption, kinetics, and bundle size distribution as defining factors,” The Journal of Physical Chemistry C,2018, 122(42), 24386-24393.
  •  
  • 15. Kondawar, S. B., and Modak, P. R., “Theory of EMI shielding,” In Materials for Potential EMI Shielding Applications, Elsevier, 2020, pp 9-25.
  •  
  • 16. Chung, D., “Materials for electromagnetic interference shielding,” Materials Chemistry and Physics 2020, 255, 123587.
  •  
  • 17. Isari, A. A., Ghaffarkhah, A., Hashemi, S. A., Wuttke, S., and Arjmand, M., “Structural design for EMI shielding: from underlying mechanisms to common pitfalls,” Advanced Materials, 2024, 36(24), 2310683.
  •  
  • 18. Wang, H., Li, S., Liu, M., Li, J., and Zhou, X., “Review on shielding mechanism and structural design of electromagnetic interference shielding composites,” Macromolecular Materials and Engineering, 2021, 306(6), 2100032.
  •  
  • 19. Sharma, S., Lee, J., Dang, T. T., Hur, S. H., Choi, W. M., and Chung, J. S., “Ultrathin freestanding PDA-Doped rGO/MWCNT composite paper for electromagnetic interference shielding applications,” Chemical Engineering Journal, 2022, 430, 132808.
  •  
  • 20. Xie, H.-H., Lu, Y., Zhao, X.-L., Zeng, J.-B., Wang, M., and Li, Y.-D., “Ultrahigh strength poly(lactic acid) composites with superior EMI shielding performance enabled by synergistic effect of short carbon fibers and carbon nanotubes,” Composites Science and Technology, 2025, 261, 111045.
  •  
  • 21. Liu, X.-C., Tian, L.-Y., Bao, Z.-L., Zhang, Y.-S., Qian, P.-F., Geng, W.-H., Zhang, D., Zhu, Q., and Geng, H.-Z., “Caffeic-acid-functionalized MWCNTs and PEDOT: PSS formed composite flexible films with “reinforced concrete” structure for electrical heating and EMI shielding,” ACS Applied Materials & Interfaces, 2024, 16(17), 22391-22402.
  •  
  • 22. Li, P., Wang, H., Ju, Z., Jin, Z., Ma, J., Yang, L., Zhao, X., Xu, H., and Liu, Y., “Ti3C2Tx MXene-and sulfuric acid-treated double-network hydrogel with ultralow conductive filler content for stretchable electromagnetic interference shielding,” ACS nano,2024, 18(4), 2906-2916.
  •  
  • 23. Wang, Y.-Y., Zhou, Z.-H., Zhou, C.-G., Sun, W.-J., Gao, J.-F., Dai, K., Yan, D.-X., and Li, Z.-M., “Lightweight and robust carbon nanotube/polyimide foam for efficient and heat-resistant electromagnetic interference shielding and microwave absorption,” ACS Applied Materials & Interfaces, 2020, 12(7), 8704-8712.
  •  
  • 24. Xu, Z., Dou, T., Wang, Y., Zuo, H., Chen, X., Zhang, M., and Zou, L., “Three-dimensional-printed carbon nanotube/polylactic acid composite for efficient electromagnetic interference shielding,” Polymers, 2023, 15(14), 3080.
  •  
  • 25. Zhang, Y., Wang, L., Zhang, J., Song, P., Xiao, Z., Liang, C., Qiu, H., Kong, J., and Gu, J., “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.
  •  

This Article

Correspondence to

  • Yongho Joo

  • * Functional Composite Materials Research Center, Korea Institute of Science and Technology, Jeonbuk 55324, Republic of Korea
    ** Nanoscience and Technology, KIST School, Korea National University of Science and Technology (UST), Daejeon 34113, Republic of Korea

  • E-mail: yjoo0727@kist.re.kr