%0 Journal Article %T One- and two-photon activity of diketopyrrolopyrrole-Zn-porphyrin conjugates: linear and quadratic density functional response theory applied to model systems %A Alam, Md. %A Daniel, Chantal %J Theoretical Chemistry Accounts %V 135 %N 2 %P 1-13 %@ 1432-881X %D 2016-02-01 %I Springer Berlin Heidelberg %~ DeepDyve