Disclosed herein are organic photosensitive optoelectronic devices comprising acceptor and/or donor sensitizers to increase absorption and photoresponse of the photoactive layers of the devices. In particular, devices herein include at least one acceptor layer and at least one donor layer, wherein the acceptor layer may comprise a mixture of an acceptor material and at least one sensitizer, and the donor layer may comprise a mixture of a donor material and at least one sensitizer. Methods of fabricating the organic photosensitive optoelectronic devices are also disclosed.
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH
 This invention was made with U.S. Government support under Contract No. DE-SC0001013 awarded by the Department of Energy. The government has certain rights in the invention.