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United States Patent Application

View the Complete Application at the US Patent & Trademark Office
Sandia National Laboratories - Visit the Intellectual Property Management and Licensing Website
Photovoltaic (PV) and photodetector (PD) devices, comprising a plurality of interband cascade (IC) stages, wherein the IC stages comprise an absorption region with a type-I superlattice and/or a bulk semiconductor material having a band gap, the absorption region configured to absorb photons, an intraband transport region configured to act as a hole barrier, and an interband tunneling region configured to act as an electron barrier, wherein the absorption region, the intraband transport region, and the interband tunneling region are positioned such that electrons will flow from the absorption region to the intraband transport region to the interband tunneling region.
Yang, Rui Q. (Norman, OK)
14/ 853,588
September 14, 2015
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT [0002] This invention was made with government support under Contract Number ECCS-1202318 awarded by the National Science Foundation, Contract Number FA9550-09-1-0288 awarded by the Air Force Office of Scientific Research, and Contract Number DE-AC04-94AL85000 awarded by the U. S. Department of Energy's National Nuclear Security Administration. The government has certain rights in the invention.