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The aim of this work was to analyze the hydrophilic and surface properties of semi-IPN hydrogels with good electroactive properties based on poly (acrylamide) (PAAm) and conductive polymer poly(3,4-ethylene dioxythiophene)/ poly(styrenesulfonate) (PEDOT/PSS). The hydrogels properties were analyzed by degree of swelling (DS), drop water contact angle (DWCA) and atomic force microscopy (AFM). In addition, the state of water in the hydrogels was estimated by differential scanning calorimetry (DSC) analysis. Results revealed that the presence of PEDOT/PSS reduce the hydrophilicity of the network, mainly those prepared with lower cross-linking density, demonstrating that PEDOT/PSS chains (or their segments) are displayed in surface hydrogels. The possibility of producing PAAm-PEDOT/PSS hydrogels with controlled properties in a desired range of values is of key importance to optimize its use in several applications, mainly in optical devices, capacitors, artificial muscles, and rechargeable lithium batteries

PAAm and PEDOT/PSS hydrogel as potential electroactive devices: evaluation of surface and hydrophilic properties