Engineering repairable nanoporous functional coatings on arbitrary substrates by manipulating phase behaviors of block copolymers

Zhou Jiemei; Ying Xiang; Li Daiwen; Wei Mingjie; Ye Xiangyue; Wang Yong

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Engineering repairable nanoporous functional coatings on arbitrary substrates by manipulating phase behaviors of block copolymers

Updated：2026-03-13

- Engineering repairable nanoporous functional coatings on arbitrary substrates by manipulating phase behaviors of block copolymers
- Chinese Journal of Chemical Engineering Vol. 89, Issue 1, Pages: 36-46(2026)
- Affiliations：
  
  State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing 211816, China
  School of Energy and Environment, Southeast University, Nanjing 210096, China
- Author bio：
  
  Corresponding author. E-mail address: yongwang@seu.edu.cn(Y. Wang).
- Funds：
- DOI：
  CLC：
- Received：23 June 2025，
  
  Revised：2025-08-21，
  
  Accepted：21 August 2025，
  
  Online First：02 September 2025，
  
  Published：2026-01
- Accepted：
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Zhou Jiemei, Ying Xiang, Li Daiwen, et al. Engineering repairable nanoporous functional coatings on arbitrary substrates by manipulating phase behaviors of block copolymers[J]. Chinese Journal of Chemical Engineering, 2026, 89(1): 36-46.
DOI：

Zhou Jiemei, Ying Xiang, Li Daiwen, et al. Engineering repairable nanoporous functional coatings on arbitrary substrates by manipulating phase behaviors of block copolymers[J]. Chinese Journal of Chemical Engineering, 2026, 89(1): 36-46. DOI：

摘要

Abstract

Nanoporous polymers are extensively coated on various substrates to deliver optical

rmselective

or other functions. However

it remains desired to fast produce uniform nanoporous polymer coatings on substrates with complex surfaces. Herein

by manipulating the interactions between block copolymers and selective solvents

we prepare repairable nanoporous polymers on arbitrary substrates. This is realized by an extremely simple sequential coating process: sequential coating of block copolymers and their swelling agents on substrate surfaces. The swelling agents are comprised of two solvents that swell the constituent blocks of the copolymers to different degrees

rapidly producing polymer coatings with uniform

interconnected

sub-50 nm pores. This sequential coating process is able to conformally build nanoporous polymers on nonplanar substrates with large lateral sizes and complex surface features

and also to

in situ

repair defects arising during usages. We further demonstrate that the nanoporous coatings show excellent antireflective and membrane separation performances. This sequential coating process is dictated by polymer—solvent interactions

and is expected to find applications in diverse fields for its simplicity

adaptability

and the capability to produce well-defined nanoporosities.

关键词

Keywords

references

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