Topographic (a) and photocurrent (b) images of a fullerene capped conjugated polymer film. The polymer self-assembles into nanofibers. Photoconductive-AFM image collected at 0 V under white light illumination shows high photocurrent generation from the fibers. Imaged with the MFP-3D AFM.
Image courtesy of D. Kamkar and T.-Q. Nguyen, UCSB.