Magnetic modulation and electrochemistry endows conducting polymers with electrochemical achiral polythiophene optical rotation control

https://phys.org/news/2025-10-method-faraday-rotation-polymers.html

"controlling Faraday rotation, where optically inactive substances exhibit optical rotation when linearly polarized light passes parallel to magnetic field... in conductive polymers (polarons), formed during doping via low voltage electrochemical oxidation... influences optical, magnetic properties... magnetic field sensors and optical communication devices"