Solvent effects on optical excitations of poly para phenylene ethynylene studied by QM/MM simulations based on many-body Green's functions theoryB. Bagheri, M. Karttunen and B. BaumeierEur. Phys. J. Special Topics, 225 8-9 (2016) 1743-1756DOI: https://doi.org/10.1140/epjst/e2016-60144-5