The formation of PPy and the structural information ofthe PPy-3D-IO and PPy–Fe3O4-3D-IO sensors were analyzed by Raman spectroscopy using a Micro-Raman (Horiba Jovin Yvon) system at 632.8 nm
The formation of PPy and the structural information ofthe PPy-3D-IO and PPy–Fe3O4-3D-IO sensorswere analyzed by Raman spectroscopy using a Micro-Raman (Horiba Jovin Yvon) system at 632.8 nm