Diffusion and photodesorption of molecular gases in a polymer organic film Sergey Nikitich Atutov, Roberto Calabrese, Alexander Ivanovich Plekhanov and Luca Tomassetti Eur. Phys. J. D, 68 1 (2014) 6 Published online: 22 January 2014 DOI: 10.1140/epjd/e2013-40468-7