Journal
NANOTECHNOLOGY
Volume 29, Issue 18, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/1361-6528/aaafa5
Keywords
stretchable; capacitive sensors; 3D printing; tactile; electrochemical
Funding
- NSFC program China [51602011]
- Shenzhen Peacock Program [KQTD2014062714543296]
- Shenzhen Key Laboratory of Shenzhen Science and Technology Plan [ZDSYS20140509094114164]
- NSFC Projects of International Collaboration Project [51761145101]
- Guangdong Talents Project
- National Basic Research Program of China (973 Program) [2015CB856505]
- Shenzhen Engineering Laboratory [SFG(2016)1592]
- Shenzhen Science and Technology research grant [JCYJ20160510144254604]
- Guangdong Key Research Project [2014B090914003, 2015B090914002]
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Developments of innovative strategies for the fabrication of stretchable sensors are of crucial importance for their applications in wearable electronic systems. In this work, we report the successful fabrication of stretchable capacitive sensors using a novel 3D printing method for highly sensitive tactile and electrochemical sensing applications. Unlike conventional lithographic or templated methods, the programmable 3D printing technique can fabricate complex device structures in a cost-effective and facile manner. We designed and fabricated stretchable capacitive sensors with interdigital and double-vortex designs and demonstrated their successful applications as tactile and electrochemical sensors. Especially, our stretchable sensors exhibited a detection limit as low as 1 x 10(-6) M for NaCl aqueous solution, which could have significant potential applications when integrated in electronics skins.
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