1206 Host–guest complexation-mediated supramolecular photon upconversion, (I. Roy, A. Garci, Y. Beldjoudi, R. M. Young, D. J. Pe, M. T. Nguyen, P. J. Das, M. R. Wasielewski, J. F. Stoddart), J. Am. Chem. Soc. 2020, 142, 16600–16609. Full Text