Guilin Sun
Ansys Employee

In terms of optical simulation, FDTD does not have any limitation for the organic materials, as long as you have the refractive index or permittivity. Without photo crystals or nano structures, it is thin-film type that you can use stackrt or stackdipole to analytically calculate the results

However, since the charge transportation for such materials is different from that in semiconductors, CHARGE cannot simulate such materials.