Abstract
One of the main challenges in flexible sensors is their
performance degradation under different environmental conditions. In this
work, high cycle bending fatigue experiments were conducted on a flexible
sensor array deposited on a Polyethylene Terephthalate (PET) substrate. These
sensors were designed and fabricated for detecting different types of chemical
vapors. Molecularly-mediated thin film assemblies of gold nanoparticles were
deposited on interdigitated microelectrodes with different line widths and
spaces. The behavior of the sensor array was studied under repeated mechanical
and thermal loadings. This work focuses on studying the failure modes when
such devices are subjected to bending fatigue stresses, high temperature,
and high humidity environments. The initial results showed that these devices
were very stable under mechanical, thermal, and environmental loadings.
© 2012 IEEE
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