Conducting Polyaniline for Antifouling Ultrafiltration Membranes: Solutions and Challenges.

Cheng-Wei Lin, Shuangmei Xue, Chenhao Ji, Shu-Chuan Huang, Vincent Tung, Richard B Kaner

Research output: Contribution to journalArticlepeer-review

18 Scopus citations

Abstract

Conjugated polyaniline can impact the field of water filtration membranes due to its hydrophilic and antibacterial nature, facile and inexpensive synthesis procedure, heat and acid tolerance, and unique doping/dedoping chemistry. However, the gelation effect, its rigid backbone, and the limited hydrophilicity of polyaniline severely restrict the adaptability to membranes and their antifouling performance. This Mini Review summarizes important works of polyaniline-related ultrafiltration membranes, highlighting solutions to conquer engineering obstacles in processing and challenges in enhancing surface hydrophilicity with an emphasis on chemistry. As a pH-responsive polymer convertible to a conductive salt, this classic material should continue to bring unconventional advances into the realm of water filtration membranes.
Original languageEnglish (US)
JournalNano letters
DOIs
StatePublished - Apr 22 2021

Bibliographical note

KAUST Repository Item: Exported on 2021-04-26
Acknowledged KAUST grant number(s): OSR-2018-CARF/CCF-3079
Acknowledgements: The authors would like to thank Jacqueline Yang, Mackenzie Anderson, and Dr. Brian McVerry for providing images. V.T. is indebted to the KAUST Catalysis Center and Office of Sponsored Research (OSR) under Award No. OSR-2018-CARF/CCF-3079 for financial support. R.B.K. thanks the U.S./China Clean Energy Research Center for Water-Energy Technologies (CERC-WET) and the Dr. Myung Ki Hong Endowed Chair in Materials Innovation at UCLA.

ASJC Scopus subject areas

  • Bioengineering
  • Materials Science(all)
  • Chemistry(all)
  • Mechanical Engineering
  • Condensed Matter Physics

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