Simultaneous enhancement of the electrical performance, mechanical stretchability, and optical transparency of conjugated polymers may significantly broaden the spectrum of realizable applications for these materials in future intelligent optoelectronics, i.e., wearable devices, electronic skin, stretchable displays, and a vast array of biomedical sensors. The successful introduction of these devices however, relies on the design and development of sustainable, robust and reliable materials and processes. Studies have shown that not only does device performance depend critically on semiconductor alignment at many length scales, materials’ mesostructure can be manipulated in solution prior to device fabrication. Observations surrounding the behavior of these materials suggest that requisite macroscopic long-range order required for high performance devices may be achieved through process optimization coupled with quantitative analysis of processed semiconducting thin film images. This approach allows development of robust materials structure-process-property relationships that can then be used to guide subsequent materials selection and process approaches. This presentation will explore how we can derive critical insights into the structure-process-property space using well-coupled modeling and experimental approaches, and how those can impact the design and development of all-printed, stretchable electronic devices.

Polymer fibrils, transport pathways and stretchable electronics

256th National Meeting (2018)

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