The effect of heat treatment on the optical properties of organic semiconductor (NiPc/C60) thin films. Iraqi Journal of Physics, [S. l.], v. 16, n. 39, p. 33–41, 2019. DOI: 10.30723/ijp.v16i39.100. Disponível em: https://ijp.uobaghdad.edu.iq/index.php/physics/article/view/100.. Acesso em: 30 apr. 2024.