Optical and A.C. Electrical Properties for Polypyrrole and Polypyrrole/Graphene (ppy/gn) Nanocomposites. Iraqi Journal of Physics, [S. l.], v. 19, n. 51, p. 72–78, 2021. DOI: 10.30723/ijp.v19i51.652. Disponível em: https://ijp.uobaghdad.edu.iq/index.php/physics/article/view/652.. Acesso em: 29 apr. 2024.