Photochemical stability of π-conjugated polymers for polymer solar cells: a rule of thumb
Matthieu Manceau(Technical University of Denmark), Eva Bundgaard(Technical University of Denmark), Jon E. Carlé(Technical University of Denmark), Ole Hagemann(Technical University of Denmark), Martin Helgesen(Technical University of Denmark), Roar R. Søndergaard(Technical University of Denmark), Mikkel Jørgensen(Technical University of Denmark), Frederik C. Krebs(Technical University of Denmark)
Cited by 246
Abstract
A comparative photochemical stability study of a wide range of π-conjugated polymers relevant to polymer solar cells is presented. The behavior of each material has been investigated under simulated sunlight (1 sun, 1000 W m−2, AM 1.5G) and ambient atmosphere. Degradation was monitored during ageing combining UV-visible and infrared spectroscopies. From the comparison of the collected data, the influence of the polymer chemical structure on its stability has been discussed. General rules relative to the polymer structure–stability relationship are proposed.
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