Study of ultrathin film of gold nanocomposite polyaniline for CO2 and NH3 gas sensing propertiesP.J. Saikia, P.C. Sarmah and A. RahmanEur. Phys. J. Appl. Phys., 60 1 (2012) 10202DOI: https://doi.org/10.1051/epjap/2012110384