- Conducting polymers and applications
- Neuroscience and Neural Engineering
- Advanced Memory and Neural Computing
- Analytical Chemistry and Sensors
- Advanced Sensor and Energy Harvesting Materials
University of Missouri
2024-2025
Abstract Combined with polymer ferroelectric dielectrics, organic field‐effect transistors are promising candidates for both electrical and photonic synapses to emulate important functions of biological synapses. In this work two distinct copolymers poly (vinylidene fluoride) (PVDF) trifluoroethylene hexafluoropropylene, PVDF‐TrFE PVDF‐HFP, respectively, utilized as dielectrics due their polarization control non‐volatile hysteresis. Using a donor–acceptor copolymer the semiconductor layer,...
While electrical poling of organic ferroelectrics has been shown to improve device properties, there are challenges in visualizing accompanying structural changes. We observe induced changes ferroelectric domains by applying differential phase contrast (DPC) imaging the scanning transmission electron microscope, a method that used spatial distributions electromagnetic fields at atomic scale. In this work, we obtain DPC images from unpoled and electrically poled polyvinylidene fluoride...