期刊
ACS APPLIED MATERIALS & INTERFACES
卷 9, 期 10, 页码 9045-9050出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsami.7b00530
关键词
e-textile; electrical conductivity; silk yarn; wash and wear resistance; organic thermoelectrics
资金
- Swedish Research Council Formas
- Knut and Alice Wallenberg Foundation through a Wallenberg Academy Fellowship
- European Research Council (ERC) [637624]
- European Research Council (ERC) [637624] Funding Source: European Research Council (ERC)
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.
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