Journal
JOURNAL OF MATERIALS CHEMISTRY C
Volume 5, Issue 44, Pages 11640-11648Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7tc03669h
Keywords
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Funding
- University of Manchester
- Government of Bangladesh
- UK Engineering and Physical Science Research Council (EPSRC) [EP/N010345/1, EP/J000825/1]
- EU
- Engineering and Physical Sciences Research Council [1830714, EP/N010345/1, EP/L019728/1] Funding Source: researchfish
- EPSRC [EP/K005014/1, EP/N010345/1, 1830714, EP/L019728/1] Funding Source: UKRI
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Inkjet printing of graphene inks is considered to be very promising for wearable e-textile applications as benefits of both inkjet printing and extra-ordinary electronic, optical and mechanical properties of graphene can be exploited. However, the common problem associated with inkjet printing of conductive inks on textiles is the difficulty to print a continuous conductive path on a rough and porous textile surface. Here we report inkjet printing of an organic nanoparticle based surface pre-treatment onto textiles to enable all inkjet-printed graphene e-textiles for the first time. The functionalized organic nanoparticles present a hydrophobic breathable coating on textiles. Subsequent inkjet printing of a continuous conductive electrical path onto the pre-treated coating reduced the sheet resistance of graphene-based printed e-textiles by three orders of magnitude from 1.09 x 10(6) Omega sq(-1) to 2.14 x 103 Omega sq(-1) compared with untreated textiles. We present several examples of how this finding opens up opportunities for real world applications of printed, low cost and environmentally friendly graphene wearable e-textiles.
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