Issue 25, 2025

Layer-by-layer techniques incorporating upcycled TPEE: from waste to conductive, multi-responsive, self-healable, and highly-stretchable electronics

Abstract

Upcycling polyethylene terephthalate (PET) waste into multifunctional materials offers a sustainable solution to plastic pollution. In this work, upcycled thermoplastic polyester elastomer (TPEE) films are utilized as substrates to fabricate conductive, stretchable, self-healable, and alkaline-responsive multilayered films. A layer-by-layer assembly of poly(ionic liquid-co-acrylic acid) (PIL-co-PAA) and MXene nanosheets imparts elasticity, conductivity, and environmental responsiveness. Extending this method to commercial fabrics demonstrates self-healing mechanical and electrical properties, broadening application prospects. These findings highlight the potential of TPEE-based multilayer films as advanced materials for wearable and flexible electronics, emphasizing the role of upcycling in creating high-value, sustainable technologies.

Graphical abstract: Layer-by-layer techniques incorporating upcycled TPEE: from waste to conductive, multi-responsive, self-healable, and highly-stretchable electronics

Supplementary files

Article information

Article type
Paper
Submitted
19 Feb 2025
Accepted
09 May 2025
First published
29 May 2025

J. Mater. Chem. A, 2025,13, 19850-19863

Layer-by-layer techniques incorporating upcycled TPEE: from waste to conductive, multi-responsive, self-healable, and highly-stretchable electronics

C. Chang, C. Chang, J. Ciou, K. Kuo, C. Wu, J. Lin, T. Lo, Y. Chen, H. Lin, Y. Tseng, M. Li, C. Lin and J. Chen, J. Mater. Chem. A, 2025, 13, 19850 DOI: 10.1039/D5TA01392E

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