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ORGANIC PHOTOSENSITIVE DEVICES WITH EXCITON-BLOCKING CHARGE CARRIER FILTERS

United States Patent Application

20160254101
A1
View the Complete Application at the US Patent & Trademark Office
Disclosed herein are organic photosensitive devices including a first subcell and a second subcell and having at least one exciton-blocking charge carrier filter disposed between the subcells. The filters comprise a mixture of at least one wide energy gap material and at least one electron or hole conducting material. As described herein, the filters simultaneously block excitons and conduct the desired charge carrier (electrons or holes).
Forrest, Stephen R. (Ann Arbor, MI), Xiao, Xin (Ann Arbor, MI), Zimmerman, Jeramy D. (Golden, CO), Bergemann, Kevin (Ann Arbor, MI), Panda, Anurag (Ann Arbor, MI), Lassiter, Brian E. (San Francisco, CA), Thompson, Mark E. (Anaheim, CA), Bartynski, Andrew N. (Los Angeles, CA), Trinh, Cong (San Jose, CA), Che, Xiaozhou (Ann Arbor, MI)
15/ 030,881
October 27, 2014
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH [0002] This invention was made with U.S. Government support under Contract Nos. DE-SC0000957, DE-SC0001013, and DE-EE0005310 awarded by the U.S. Department of Energy, and under FA9550-10-1-0339 awarded by the Air Force Office of Scientific Research. The government has certain rights in the invention.