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Machine-Washable PEDOT:PSS Dyed Silk Yarns for Electronic Textiles

Jason Ryan (Institutionen för kemi och kemiteknik, Polymerteknologi) ; Desalegn Alemu Mengistie (Institutionen för kemi och kemiteknik, Polymerteknologi) ; R. Gabrielsson ; Anja Lund (Institutionen för kemi och kemiteknik, Polymerteknologi) ; Christian Müller (Institutionen för kemi och kemiteknik, Polymerteknologi)
Acs Applied Materials & Interfaces (1944-8244). Vol. 9 (2017), 10, p. 9045-9050.
[Artikel, refereegranskad vetenskaplig]

Durable, electrically conducting yarns are a critical component of electronic textiles (e-textiles). Here, such yarns with exceptional wear and wash resistance are realized through dyeing silk from the silkworm Bombyx mori with the conjugated polymer:polyelectrolyte complex PEDOT:PSS. A high Young's modulus of approximately 2 GPa combined with a robust and scalable dyeing process results in up to 40 m long yarns that maintain their bulk electrical conductivity of approximately 14 S cm(-1) when experiencing repeated bending stress as well as mechanical wear during sewing. Moreover, a high degree of ambient stability is paired with the ability to withstand both machine washing and dry cleaning. For the potential use for e-textile applications to be illustrated, an in-plane thermoelectric module that comprises 26 p-type legs is demonstrated by embroidery of dyed silk yarns onto a piece of felted wool fabric.

Nyckelord: e-textile, electrical conductivity, silk yarn, wash and wear resistance, organic thermoelectrics

Denna post skapades 2017-05-03. Senast ändrad 2017-09-14.
CPL Pubid: 249074


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Institutioner (Chalmers)

Institutionen för kemi och kemiteknik, Polymerteknologi



Chalmers infrastruktur