Disclosed herein are processes for fabricating organic photosensitive optoelectronic devices with a vertical compositionally graded organic active layer. The processes use either a single-stamp or double-stamp printing technique to transfer the vertical compositionally graded organic active layer from a starting substrate to a device layer.
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH
 This invention was made with U.S. Government support under Contract No. DE-SC000957 awarded by the U.S. Department of Energy. The government has certain rights in the invention.