期刊
ACS APPLIED MATERIALS & INTERFACES
卷 11, 期 16, 页码 14944-14951出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsami.9b00715
关键词
graphene oxide; screen printing; cross-linking; e-textile; textile sensors
资金
- Dr. Gao's group in the Textile Engineering, Chemistry and Science Department at North Carolina State University
- Nantong University
- National Science Foundation
- State of North Carolina
Graphene-based e-textiles have attracted great interest because of their promising applications in sensing, protection, and wearable electronics. Here, we report a scalable screen-printing process along with continuous pad-dry-cure treatment for the creation of durable graphene oxide (GO) patterns onto viscose nonwoven fabrics at controllable penetration depth. All the printed nonwovens show lower sheet resistances (1.2-6.8 k Omega/sq) at a comparable loading, as those reported in the literature, and good washfastness, which is attributed to the chemical cross-linking applied between reduced GO (rGO) flakes and viscose fibers. This is the first demonstration of tunable penetration depth of GO in textile matrices, wherein GO is also simultaneously converted to rGO and cross-linked with viscose fibers in our processes. We have further demonstrated the potential applications of these nonwoven fabrics as physical sensors for compression and bending.
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