TY - RPRT TI - High efficiency deep red to yellow photochemical upconversion under solar irradiance AU - Gallaher, Joseph K. AU - Wright, Katherine M. AU - Frazer, Laszlo AU - MacQueen, Rowan W. AU - Crossley, Maxwell J. AU - Castellano, Felix N. AU - Schmidt, Timothy W. PY - 2021 DO - 10.1039/d1ee02197d UR - https://www.osti.gov/biblio/1820593 ID - 1820593 ER -