One step electrodeposition of composite of PANI-PSS tubules with TiO 2 nanoparticles and application as electronic sensor device

•This manuscript describes electrodeposition of tubules of PANI-PSS/TiO2 composite by cyclic voltammetry.•Characterizations were done by using electrochemical, microscopic (FEG-SEM, FEG-TEM) and spectroscopic (FTIR-IMG) techniques.•Electronic properties of composite were tested based on the liquid-ion-gated Field Effect Transistor (FET).•Composite sensors showed a significant sensor response for lower concentrations of ammonia up to the ppt/ppb range.