Toward improved environmental stability of polymer: Fullerene and polymer:Nonfullerene organic solar cells: A common energetic origin of light- A nd oxygen-induced degradation

Emily M. Speller, Andrew J. Clarke, Nicholas Aristidou, Mark F. Wyatt, Laia Francàs, George Fish, Hyojung Cha, Harrison Ka Hin Lee, Joel Luke, Andrew Wadsworth, Alex D. Evans, Iain McCulloch, Ji Seon Kim, Saif A. Haque, James R. Durrant, Stoichko D. Dimitrov, Wing C. Tsoi, Zhe Li