期刊
MICROELECTRONIC ENGINEERING
卷 142, 期 -, 页码 7-11出版社
ELSEVIER
DOI: 10.1016/j.mee.2015.06.007
关键词
PDMS; GNP; Graphene; Strain sensor; Flexible sensors; Conductive nanocomposites
资金
- State Scholarships Foundation (IKY) under the IKY fellowships of excellence for postgraduate studies in Greece - Siemens program [22056/13]
Carbon-based materials are commonly used as fillers in polymer matrices for the fabrication of flexible physical and chemical sensors. Among the carbon materials, graphene has emerged as a promising next generation material replacing the traditionally used carbon black. In this work, we present the fabrication process of flexible graphene nanoplatelets/polydimethlylsiloxane (GNP/PDMS) capacitive strain sensor. In order to optimize the GNP/PDMS suspension, the dispersion of GNP in different solvents for the formation of a homogeneous suspension is examined by FT-IR spectroscopy. The sensor is fabricated by a low cost, easy to implement and rapid method using layer by layer spin-coating. The sensor exhibits linear capacitance change to small strains (<= 0.2%). (C) 2015 Elsevier B.V. All rights reserved.
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