Impact of band structure on photocell device physics

Experiment

Theory

Absorption (not perfect)

From: A. Kohler, D. A. dos Santos, D. Beljonne, Z. Shuai, J.-L. Bredas, A. B. Holmes, A. Kraus, K.Mullen, R. H. Friend, Nature 392 (1998)

I

II

III

IV

I

II

III

thick

thin