Elastomeric transparent capacitive sensors based on an interpenetrating composite of silver nanowires and polyurethane
2013; American Institute of Physics; Volume: 102; Issue: 8 Linguagem: Inglês
10.1063/1.4794143
ISSN1520-8842
AutoresHU Wei-li, Xiaofan Niu, Ran Zhao, Qibing Pei,
Tópico(s)Gas Sensing Nanomaterials and Sensors
ResumoHighly flexible transparent capacitive sensors have been demonstrated for the detection of deformation and pressure. The elastomeric sensors employ a pair of compliant electrodes comprising silver nanowire networks embedded in the surface layer of polyurethane matrix, and a highly compliant dielectric spacer sandwiched between the electrodes. The capacitance of the sensor sheets increases linearly with strains up to 60% during uniaxial stretching, and linearly with externally applied transverse pressure from 1 MPa down to 1 kPa. Stretchable sensor arrays consisting of 10 × 10 pixels have also been fabricated by patterning the composite electrodes into X-Y addressable passive matrix.
Referência(s)