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Highly efficient polymer solar cells based on novel photocrosslinkable donor–acceptor conjugated polymers are fabricated and their long‐term thermal stability is reported. After 72 h of thermal annealing at 150 °C, a stable power conversion efficiency as high as 4.7% is maintained. The control of active layer morphology and device performance through annealing is correlated with the synthetic design...
Abstract.Density functional calculations indicate that nucleophilic substitution in the thiolatedisulfide and thiolatetrisulfide exchange reactions proceeds by an additionelimination pathway. Solution calculations were performed using B3LYP/6-31+G* and the polarized continuum method. These solution-phase calculations indicate that for the reactions where the sulfur under attack bears a hydrogen atom,...
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