Materials with magneto-optic (MO) properties have enabled critical fiber-optic applications and highly sensitive magnetic field sensors. While traditional MO materials are inorganic in nature, new generations of MO materials based on organic semiconducting polymers could allow increased versatility for device architectures, manufacturing options, and flexible mechanics. However, the origin of MO activity in semiconducting polymers is far from understood. Our recent studies on semiconducting conjugated helical polymers shed light on understanding the underlying mechanism of intrinsic Faraday phenomenon with its supramolecular structures in organic materials. Polymer magnetism is also investigated with conjugated radical polymers, which reveals the promise of multifunctional conjugated radical polymers as responsive MO materials. The structure-property studies provide insights for the design of next-generation MO materials based upon semiconducting conjugated polymers.

Magneto-optics in semiconducting conjugated polymers

2019 Spring National Meeting

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