Jodi M. Szarko, Brian S. Rolczynski, Sylvia J. Lou, Tao Xu, Joseph Strzalka, Tobin J. Marks, Luping Yu and Lin X. Chen Organic Photovoltaics: Photovoltaic Function and Exciton/Charge Transfer Dynamics in a Highly Efficient Semiconducting Copolymer (Adv. Funct. Mater. 1/2014) Advanced Functional Materials 24
Exciton dissociation pathways within a polymer bulk heterojunction film in a solar cell device is investigated by L. Yu, L. X. Chen, and co-workers on page 10. The blue fullerene derivative PCBM acts as an electron acceptor and the yellow ribbons represent the investigated low-bandgap polymer PTB7. The polymer forms both ordered pi-stacked domains and disordered domains within the film. This image was created by Nanjia Zhou from Northwestern University.
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